- Nuclear fuel/fuel element reprocessing systems
- Plants for extraction of primary energy sources
- Plants for gas processing
- Plants for processing of mineral oil

- Transport and conveyor plants for solid fuels

- Pumping stations as well as pumps and their drives for liquid fuels
- Tubing and fittings for liquid fuels

- Compressor equipment(driving motors,compressors) for gaseous fuels
- Gas pipelines
- Gas power stations
- Gas pressure and gas quality control and measuring equipment

- Power stations and systems for power generation;other
- Thermal power stations and systems for heat generation

- Block-type thermal power stations
- Cogeneration plants for heat and electricity
- Combined heat and power generation plants;other

- Heating media heaters,thermal oil heaters
- Nuclear reactors,reactor safety systems
- Steam generating plants,steam boilers
- Waste heat boilers

- Compensators for pipework systems
- Condensate treatment plants
- Containers for power engineering and thermal engineering,pressure tanks
- Cooling water treatment plants
- Cycle water treatment plants
- Feed water treatment plants
- Fittings for pipework systems
- Heat recovey systems;other
- Pipes,bends,fittings for pipeline systems
- Sewage treatment plants
- Waste heat heat exchangers

- Liquid pumps(incl. screw pumps)
- Vacuum pumps for power engineering and thermal engineering

- Air preheaters
- Gas preheats
- Oil preheaters
- Preheaters for power station technology and thermal engineering;other
- Superheaters for power engineering and thermal engineering

- Blades for steam and gas turbines
- Capacitors for power station technology and thermal engineering
- Components for hot water systems;other
- Components for power and thermal engineering;other
- Components for steam systems;other
- Filter systems for air and gases
- Heat exchangers for hot water systems
- Heat exchangers for steam systems
- Heat exchangers for various fluids
- Pipeline systems for steam systems
- Pipelines for hot water systems
- Recuperators;heat exchangers

- Combined oil and gas burners
- Diaphragm plates for oil burners
- Flame pipes for oil burners
- Gas burners and burners for gaseous fuels
- Mixer units for oil burners
- Processing plants for liquid and gaseous fuels

-
- Decentralised energy supply systems
- Electric power generation equipment
- Electric power supply equipment
- Electricity generating sets
- Gas turbines
- Industrial energy supply systems
- Motors for electricity generation
- Steam turbines
- Water turbines

- Asynchronous generators for low voltages,three-phase generators
- Asynchronous generators for medium voltages,three-phase generators
- Synchronous generators for low voltages,three-phase generators
- Synchronous generators for medium voltages,three-phase generators

- Asynchronous generators,single-phase generators
- D.C. generators
- Special type generators
- Synchronous generators,single-phase generators

- Parts and accessories for generators

- Electric power supply systems;other
- Emergency power systems,stationary
- Parts and accessories for electric power supply systems
- Primary elements and batteries

- Cyclone dust collectors
- Dust extraction systems
- Electrostatic precipitator systems
- Tissue filters systems

- Consultancy and planning for power generation utilizing fossil primary energies,power station technology
- Maintenance and repair of plants for power generation utilizing fossil primary energies,power station technology
- Operator models of plants for power generation utilizing fossil primary energies,power station technology
- Organizations,associations in the area of power generation utilizing fossil primary energies,power station technology

- Composite wind power plants
- Large-scale vind energy systems > 500kW
- Medium-scale wind energy systems(50-500kW)
- Small-scale wind energy systems(10-50kW)
- Wind power systems;other

- Brakes for wind energy systems
- Cable ducts and cable troughs
- Cables for wind energy systems
- Components,systems and devices for wind energy systems;other
- Controls for wind energy systems
- Gear systems for wind energy systems
- Measurement and control equipment for wind energy systems
- Power electronics for wind energy systems
- Rotor blades,wind turbines for wind energy systems
- Safety devices for wind energy systems
- Surge voltage protection equipment for wind energy systems
- Towers for wind energy systems
- Transformers for wind energy systems

- Assembly equipment for photovoltaic electricity generation
- Autonomous photovoltaic systems,autonomous stand-alone photovoltaic systems
- Components and devices for photovoltaic electricity generation;other
- Inverters for photovoltaic electricity generation
- Networked photovoltaic systems
- Photovoltaic systems for special applications
- Solar cells
- Solar panels
- Solar-operated power supply systems for network-autonomous systems
- Surge voltage protection equipment for photovoltaic technology systems
- Transformers for photovoltaic electricity generation

-
- Assembly equipment for solar thermal systems
- Frame carriers for solar thermal systems
- Measurement and control equipment for solar thermal systems
- Measurement and control technology for photovoltaic electricity generation;other
- Solar collectors
- Solar thermal refrigerating plants
- Solar thermal systems

- Fittings for hydroelectric power systems
- Hydroelectric power stations,hydroelectric power systems;other
- Hydroelectric power systems(run-of river power systems storage power stations or pumped storage power stations)
- Mini hydroelectric power stations and systems(up to 100kW)
- Small-scale hydroelectric power stations(100-1000kW)
- Small-scale hydroelectric power stations(100-1001kW)
- Water turbines for hydroelectric power systems
- Water turbines generator sets for hydroelectric power systems

- Components for hydroelectric power systems;other
- Control systems for hydroelectric power systems
- Measurement and control equipment for hydroelectric power stations and systems
- Switchgear and switching systems for hydroelectric power systems

- Biodiesel systems and system components
- Biomass boilers
- Components and equipment for biomass systems;other
- Plants for gasification of biomass

- Biogas systems
- Components and equipment for biogas systems
- Measurement and control equipment for biogas systems

- Components and equipmentsfor plants using geothermal energy;other
- Earth probes
- Measuring technology for geotheral energy systems
- Systems and power stations for the use of geothermal energy

- Components and equipment for hydrogen technology
- Hydrogen technology systems
- Measurement and control equipment for hydrogen technology

- Components and equipment for fuel cell systems
- Fuel cells
- Mobile fuel cell equipment
- Portable fuel cell systems
- Stationary fuel cell equipment

- Additional energy production utilizing renewable and future primary energy sources
- Consultancy and planning for further renewable and future energy sources
- Consultancy and planning for geothermal technology
- Consultancy and planning for hydrogen technology
- Consultancy and planning for wind power
- Developments for regenerative and future primary energy sources
- Documentation,information for regenerative energy sources
- Financing services for regenerative energy sources
- Organizations,associations in the field of regenerative energy sources

- D.C.-powered machines
- Electrical machines in special designs;other
- Electrical machines protected against firedamp and explosion
- High-voltage asynchronous machines
- Low-voltage asynchronous machines
- Synchronous machines

- Frequency converters
- Motor generators
- Rotary converters;other

- Choke coils,power chokes
- Compact transformer stations
- Dry transformers;other
- Liquid-insulated power transformers 1,600 - 10,000 kVA
- Liquid-insulated power transformers above 10,000 kVA
- Liquid-insulated power transformers up to 1,600 kVA
- Parts and accessories for transformers
- Regulating transformers
- Resin transformers
- Safety transformers and isolating transformers
- Stabilizers for transformers
- Stepping switches/circuit-breakers for transformers
- Toroidal transformers
- Transformers;other

- 19" cabinets with precision air-conditioning and on-line UPS
- 19" versions of UPS
- UPS plants;other
- UPS systems for industrial applications
- UPS systems/line-interactive
- UPS systems/off-line
- UPS systems/on-line
- UPS/BFV systems,special stand-by power supplis

- Chargers and power supplies for batteries in small equipment
- Chargers for fixed batteries
- Chargers for other batteries
- Chargers for starter batteries
- Chargers for traction batteries
- Chargers;other

- Constant-voltage regulators
- D.C. power supplies;other
- D.C. voltage converters
- D.C.-A.C. converters for industrial applications
- Frequency transformers for industrial applications
- Parallel supplies from independent generating systems
- Power supply units
- Power supply units for industrial applications;other

- High-voltage rectifying equipment
- Special D.C. supplies
- Static converters for electro-planting plants
- Static converters for load lifting magnets
- Static converters for other applications

- Accumulators;other
- Battery bus monitoring equipment and battery bus systems
- Lead-acid accumulators(batteries)
- Lithium ion accumulators
- Lithium polymer accumulators
- Parts and accessories for accumulators

- Devices for electrical resistance heating
- Electrical area heating elements,incl. pliable ones
- Electrical auxiliary heating
- Electrical drying devices
- Electrical external pipe heating
- Electrical heating devices;other
- Electrical heating systems
- Electrical industrial furnaces
- Electrical infrared radiators for industrial applications
- Electrical radiators and heating elements
- Electrical room heaters
- Parts and accessories for electrical heating devices for industry

- Appliance switches,appliance safety switches up to one kV
- Automatic power-factor correction equipment up to One kV
- Casings for low-voltage switching equipment up to One KV
- Control and safety switches for D.C.
- Control and safety switches for three-phase current
- Emergency-off switches up to one KV
- Fault current protection devices
- Fault current safety switches up to one kV
- Gang switches up to one KV
- Low-voltage switching equipment,switching equipment up to one KV;other
- Main switches up to One KV
- No-load and load breaker switches up to One kV
- Overvoltage arresters up to One KV
- Parts and accessories for low-voltage switching equipment up to One KV
- Rail-mounting automatic fuse devices for automation technology
- Reactive power electronic regulators up to One kV
- Safety isolators,fuses up to One KV
- Thyristor switches,thyristor reversing switches up to One kV

- Circuit breakers up to One KV
- Circuit-breakers with communication capability up to one kV
- Compact circuit breakers up to one kV
- Control elements for high breaking capacities up to 1 kV
- Electronic circuit-breaker strips up to 1 kV
- Fuses,safety load switching fuses up to one kV
- Isolating links with fuses up to one kV
- Load switching strips up to one kV
- Power circuit breakers up to one kV
- Safety load break switches up to one kV
- Safety load breakers up to one kV
- Safety load fuses up to 1 kV

- Electronic load relays up to one kV
- Parts and accessories for contactors up to 1 kV
- Surge current and load relays up to 1 kV;other

- Low-voltage fuse bases up to 1 kV
- Low-voltage quick-break fuse links up to 1 kV
- Resistance equipment up to 1 kV
- Starter and control resistors up to 1 kV
- Starters,controllers up to 1 kV

- Atex-approved operating material up to 1kV
- Explosion-protected components up to 1kV
- Explosion-protected low-voltage switching equipment
- Explosion-protected operating equipment up to 1kV
- Low-voltage switching equipment,components and operating media-special protective type;other
- Pressure-proof low-voltage switching equipment

- Electronic multi-function protective relays
- Motor circuit-breakers,motor protection devices up to one kV
- Motor protection power switches up to one kV
- Motor protection systems;other
- Motor protective relays up to one kV;general
- Multi-function electronic protective circuits
- Parts and accessories for motor protection systems
- Thermal motor protection relays up to 1kV

- 3-phase busbars up to 1kV
- Cable distribution cabinets up to one kV
- Drum distributors
- Encapsulated low-voltage distributors(insulation,casting,steel)
- Low-voltage bus bar distributors
- Low-voltage switching systems;other
- Network cabinets up to one kV
- Parts and accessories for low-voltage switching systems
- Switching desks,switching panels for low-voltage switching systems and distributor systems
- Switching systems - modular design up to one kV
- Switching systems with fixed equipment up to one kV

- Automatic pole mounted reclosers
- Complete medium-voltage switch cabinets
- Control and protective equipment from one kV to sixty kV
- High-voltage fields up to 60kV with fixed devices
- High-voltage fields up to 60kV with removable devices
- HV fuses, high-voltage equipment, medium-voltage equipment
- Isolating links ,earthing isolators from one kV to sixty kV
- Load switching for one kV to sixty kV
- Medium voltage switches and switchboards,encapsulated to SF six
- Medium-voltage load switching systems
- Medium-voltage switches and switchboards
- Motor protective systems from 1kV to 60kV
- Parts and accessories for switchgear and switching systems from one kV to sixty kV
- Power circuit breakers for external assembly from 1kV to 60kV
- Power circuit breakers for internal assembly from one kV to sixty kV
- Power switch systems from one kV to sixty kV
- Power switches from one kV to sixty kV
- Ready-made switching stations from one kV to sixty kV
- Ring mains system switches from one kV to sixty kV
- Ring-main switch gear installations from one kV to sixty kV
- Surge arresters for switchgear and switching systems from 1kV to 60kV
- Vacuum power switches from one kV to sixty kV

- High and low-voltage switching systems for power supply boards and companies and industries use
- High-voltage earthing isolators
- High-voltage fields
- High-voltage isolating links
- High-voltage isolators
- High-voltage power circuit breakers
- High-voltage safety conductors
- Lighting protection and earthing equipment for switchgear and switching systems from 1kV to 60kV
- Parts and accessories for switching equipment and systems(e.g. earthing resistors,earthing choke coils etc.)

- Medium-voltage/low-voltage switching systems using insertion and push-in technology
- Medium-voltage/low-voltage transfer stations
- Modular switchboards for electrical switchgear systems
- Parts and accessories for switching systems,transformer substations
- Prefabricated medium-voltage/low-voltage transfer stations
- Switchgear systems,tranfer stations and transformer substations;other

- Capacitors for high-voltage systems
- Capacitors for inductive heating
- Capacitors for lights and motors
- Capacitors for low-voltage systems
- Capacitors for power electronics
- Coupling and control capacitors
- High-voltage capacitors;other
- Parts and accessories for high-voltage capacitors
- Power capacitors
- Radio interference suppression capacitors for heavy-current technology
- Ready-to-connect capacitor systems with without control

- Accident prevention facilities for working on live parts
- Blocking choke coils
- Compensating choke coils
- Damping choke coils
- Earth-fault coils
- Earth-fault locating systems
- Earthing systems
- Filter choke coils
- Fire containments for cables and leads
- Inductive resistors for applications in electrical energy equipment;other
- Short-circuit choke coils
- Smoothing choke coils

- Electronic equipment cabinets(19" design)
- Empty cabinets and casings for low-voltage switching systems
- Environmental switch cabinet housings for assembly systems
- Housings for control stations
- Housings for high-voltage switching systems
- Housings for medium-voltage switching systems
- Housings for monitor walls
- Housings for panels
- Installation upright distributors
- Installation wall distributors
- Metal switch cabinet housings
- Plastic switch cabinet housings
- Power supplies in 19" rack format
- Supplementary equipment for power supply and switchgear systems;other
- Switch cabinet housings for clean-room technology
- Switch cabinet housings for outdoor installation
- Switch cabinet housings in maximum protection class
- Switch cabinet systems
- Swith cabinet housings according to EMC for modular systems

- Console housings for electrical switchgear systems
- Desk housings for electrical switchgear systems
- Electromagnetically safe housings for electrical switchgear systems
- External housings for electrical switchgear systems
- Hand-held housings for electrical switchgear systems
- Hinge systems for electrical switchgear systems
- Mini housings for electrical switchgear systems
- Parts and accessories for casings
- Special housings for electrical switchgear systems
- Switching desks
- User specific housings for electrical switchgear systems
- Wall-mounted housings for electrical switchgear systems

- Automatic boring and threading machines for the machining of switch cabinet casings
- Busbar adapters
- Busbar systems
- Cable throughlets for casings and 19" module systems
- Chassis accessories for electrical switchgear systems
- Chassis,modular frames for electrical switchgear system
- Conductor rails for switching systems
- Connection technology for electrical switchgear systems
- Cooling systems for electrical switchgear systems
- Current distribution components for electrical switchgear systems
- Desk casings for 19" chassis
- Explosion-proof equipment for switchgear system housings
- Screwed cable glands as accessories for electrical engineering and electronics
- Switch cabinet air-conditioning
- ventilator modules in 19" design

- Complete plug connector systems for electrical connection technology

- Connection distributor inserts(electrical connection technology)
- Contact inserts for high ambient temperatures(electrical connection technology)
- Contact inserts with caged tension spring connection(electrical connection technology)
- Contact inserts with threaded connection(electrical connection technology)
- Crimp-contact inserts(electrical connection technology)

- Crimp-contacts for electrical connection technology
- Housings for aggressive ambient connections(electrical connection technology)
- Housings for electrical connection technology;other
- Housings for high ambient temperatures(electrical connection technology)
- Housings for high screening attenuation(electrical connection technology)
- Reactive power compensation systems
- Special tools for electrical connection technology
- Standard housings for electrical connection technology

- Bare Cu/Cu alloy conductors

- Appliance connection cables
- Communication cables
- Control wiring(insulated power cables)
- Flat neoprene and PVC cables
- Heat-resistant wiring
- House wiring power cables
- Insulated power cables;other
- Power current lines and cables
- Pre-assembled power current lines
- Vehicle wiring and cable sets

- Fire-resistant halogen-free safety cables(FRNC)
- High-voltage and extra-high voltage cables over 20/35 kV with paper insulation(oil or pressure cables)
- High-voltage cables over 20/35 kV with plastic insulation(VPE cables)
- Low-voltage cables 0.6/1 kV with plastic insulation
- Medium-voltage cables above 0.6/1 - 20/35 kV with paper insulation/plastic insulation
- Power cables;other

- Accessories for cable fittings
- Branch sleeves(power cable fittings)
- Cable joints
- Cable protection hoses
- Coupling sleeves,cable sleeves
- Heat-shrunk products(power cable fittings);other
- Screwed cable glands for power cables
- Sealing ends(power cable fittings)
- Shrink tubing(power cable fittings)
- Surge voltage protection equipment for powerline communication systems
- Transition sleeves(power cable fittings)

- Bushings,post insulators(energy conduction,current lines)
- High-voltage equipment insulators
- High-voltage overhead line insulators
- Insulators;other
- Low-voltage insulators
- Power plug-and-socket devices and connector systems

- Busbar systems(energy conduction,current lines)
- Current collectors(energy conduction,current lines)
- Sliding contact power supplies for moving loads
- Sliding contact power supplies for moving loads;other
- Slip-ring assemblies(energy conduction,current lines)
- Slip-rings(energy conduction,current lines)

- Automatic cable reeling devices
- Automatic hose reeling devices(energy conduction,current lines)
- Earthing material for contact line and overhead line construction
- Energy management hoses
- Energy management systems
- Moving cable power supplies for moving loads
- Moving cable power supplies for moving loads;other
- Trailing cable systems

- Cable bushings for cable laying/line construction
- Cable carrier systems for cable laying/line construction
- Cable guide systems
- Cable laying
- Cable laying,storage and processing equipment;other
- Overhead line construction
- Tools for cable laying and line construction

- Battery charging ICs and switching regulator ICs
- D.C./A.C. converters for power electronics
- D.C./D.C. converters
- Devices and components used in power electronics;other
- Heavy-current power supplies
- Heavy-duty rectifiers for industry
- IGBTs
- Inverters
- Laboratory mains power supplies
- Network modules
- Power supplies for circuitry
- Power supply units,general
- Self-induction coils for power electronics
- Stand-by power supplies for D.C. and A.C. voltage
- Static frequency converters
- Thyristors and Triacs
- Transformers for power electronics

- Bell transformers
- Transformers(control transformers)

- Actuating mechanisms,servo drives,actuators
- Contact safety relays
- Control gear with INTERBUS
- Electrical controllers;other
- Electrical safety-switch mats
- Electronic multipoint controllers
- Frequency/output control systems
- Interface modules
- Limit switches
- Magnetic switches
- Parts and accessories for electrical controllers
- Parts and accessories for switchgear
- Press switches
- Safety position switches
- Safety switchgear and control gear,incl. line safety switches
- Switchgear and control devices
- Switchgear with communications capability
- Switchgear;other
- Switching equipment for Emergency Stop
- Switching equipment for PT101
- Switching equipment for PT102
- Timers,switching clocks for control devices

- Contact springs for connectors
- Parts and accessories for plug-in connectors(e.g. safety interlocks)
- Plug-in connectors for high currents and high voltages
- Plug-in connectors in customer-specific design
- Round plug-in connectors to protection class IP65 and above

- Emergency-Off switches
- Foot actuated switches
- Lock/key-operated switches
- Manufacture of custom designed keyboards/control panels
- Membrane keyboards and membrane switches,membrane keyboards switches
- Press switches for housings and operating panels
- Push-button rotary switches
- Rocker switches for housings and operating panels
- Rotary switches
- Silicone rubber keyboards
- Special manufacture of push-buttons and switches
- Special switches,pushbuttons,keyboards;other
- Switches for housings and operating panels;other
- Vandal-proof switches

- Industrial plug devices
- Lead and line connectors
- Neozed fuses and accessories
- Power resistors
- Winding materials(Electro-mechanical components)

- Busbar distributors
- Busbar systems for control cabinets
- Cable brackets and bushings
- Cable ties
- Heat sinks for electronics
- Intermediate products for components
- NH quick-break fuse links and accessories
- Pre-assembled cables
- Protective semiconductor fuses
- Shrink tubing
- Terminals strips
- Terminals,series terminals

- Measuring and automation plants for heat distribution;other
- Monitoring and regulating systems for heat distribution
- Thermal control switches and control stations plus software for heat distribution

- Control and monitoring systems for high-voltage stations
- Current and voltage transformers for high and medium voltages
- Data transfer and data concentration for high-voltage equipment
- Display and message systems for electric power distribution
- Mains and plant protection for electric power distribution
- Measured value recording systems,status signalling systems and fault notification systems for electric power distribution
- Measuring and automation plants for electric power distribution;other
- Memory-programmable control systems for operational protection of high-voltage stations
- Monitoring systems for electric power distribution
- Network control rooms,switchgear control rooms,software for electric power,distribution

- Measuring and automation plants for railway operation
- Measuring and automation plants for supply/disposal companies
- Measuring and automation plants;other

- Electricity meters
- Gas meters
- Water meters

- Centralized ripple control systems
- Remote acting systems
- Remote diagnosis systems
- Ripple control receivers

- Complete environmental measuring systems and networks(simultaneous measurement of different components)
- Measuring computers for application in large-scale furnace plants
- Mobile environmental measuring systems,measurement vehicles,mobile measuring containers
- Stationary environmental measuring systems,air pollution monitoring,measurement stations/measurement networks
- UPS systems for measuring stations/measuring networks

- Concentration measuring devices(CSB,BSB,TOC,ph,etc.)
- Dust measuring devices
- Emission measuring devices
- Flow meters and level meters for environmental measuring technology
- Individual measuring devices for environmental technology;other
- Measurement of hazardous substances at workplaces
- Measuring instruments for leakage and opaqueness
- Moisture meters for environmental measuring technology
- Particle meters for environmental measuring technology
- Radiation measuring and monitoring devices for environmental measuring technology
- Stationary and personnel-oriented industrial safety systems
- Triggerable measuring systems,laboratory measuring systems
- Turbidity measuring devices
- Waste gas measuring devices(O2,CO2,CO,SO2,Nox,etc.)
- Waste gas measuring devices(O2,CO2,CO,SO4,Nox,etc.)
- Waste gas measuring devices(O2,CO2,CO,SO5,Nox,etc.)

- Analysisi devices and systems;other
- Automatic analysis systems for environmental technology
- Components and accessories for analysis devices(e.g. measuring cables)
- Flue gas analyzers
- Gas analyzers
- Moistrue analyzers
- Particle size analyzers
- Portable gas analysis computers,portable gas chromatographs
- Sampling equipment and systems as well as processing systems
- Spectrometers,spectrophotometers,photometers
- Water analyzers,wet analyzers

- Cable selecting equipment
- High-current testing and measuring equipment
- High-voltage dielectric strength testing devices
- High-voltage testing equipment
- Insulation testing devices
- Meter testing devices
- Testing devices for measuring transducers
- Wiring testing devices,wiring testers of all kinds

- Diesel engines
- Otto engines
- Research and experimental engines
- Small gas turbines

- Accessories for i.c. engines and gas turbines;other
- Carburettors and fuel injectors
- Coolers,cooler groups and cooler networks for i.c. engines
- Engine components;other
- Exhaust systems for i.c. engines
- Exhaust-gas superchargers for i.c. engines
- Filters for i.c. engines
- Gaskets and sealing rings for i.c. engines
- Measuring instruments for i.c. engines
- Monitoring and alarm instruments for i.c. engines
- Pistons,piston rings and piston rods
- Starter equipment for i.c. engines

- Filters for gases(single filters,duplex filters)
- Gas control valves
- Piping material for gas lines
- Quick-action gas stop valves
- Shut-off armatures,gate valves,flaps,valves,ball-cocks for gas

- Flow meters and volumetric systems for gas
- Gas analysis equipment and systems
- Gas warning systems
- Manometers and pressure measuring systems for gas

- Gas generators for oxygen and nitrogen
- Leakage detection in gas lines
- Natural gas filling stations
- Pipeline construction and channel construction for gas lines and pipelines

- Pipes and fittings for water pipes and canalization
- Pump drives
- Pumps for water technology
- Water pumping stations

- Backflush filters for water and liquids
- Blockage and control units for water technology
- Equipment for sewer maintenance and cleaning
- Filters for the water technology(single filters,duplex filters)
- Fittings for the water technology;other

- Filter and sedimentation systems for the water technology
- Sewage treatment plants

- Chemicals for water and sewage water treatment
- Dosage systems and equipment for water and sewage water treatment
- Electrolytic systems for water and sewage water treatment
- Membrance equipment,reverse osmosis plants
- Neutralizing plants for water and sewage water treatment
- Oxidation systems for water and sewage water treatment
- Plants for water treatment
- Water softening plants(ion-exchange process)

- Aeration equipment for water and sewage water treatment
- Disinfection systems for water

- Plant construction for the water technology
- Sludge thickener and sludge dewatering systems

- Measuring devices for the water technology
- Water analysis equipment

- D/DO fuses
- Equipment fuses
- Fuse bases
- Fuses for low voltages;other
- Holders for equipment fuses
- Overvoltage arresters for building engineering
- Safety switches for building engineering
- Screw-in fuses

- Electronic switches
- Fault current safety switches
- Installation safety switches;other
- Miniature circuit breakers(LS)
- Parts and accessories for installation safety switches
- Safety cut-outs

- Surge arresters for low voltages
- Surge voltage fuses
- Surge voltage safety devices;other
- Surge voltage safety diodes

- Accessories for lightning protection and earthing materials
- Earthing material for building installation technology
- Lightning conductor materials
- Lightning protection and earthing devices;other
- Safety,earthing and short-circuit devices

- Meter cabinets
- Meter mounting boards;other
- Meter panels

- Accessories for installation distributors
- Installation distributors;other
- Small distributors

- Installation ducts
- Installation wiring systems
- Metallic electrical conduits and accessories
- Plastic electrical conduits and accessories
- Protective cable conduits(plastic),electrical installation conduits

- Branching sockets and boxes
- Flexible metal hoses,installation material
- Installation material for wiring;other
- Protective cable conduits,installation material

- Cable brackets and bushings
- Cable grommets(material)
- Cable ties
- Cap and profile rails
- Conduit unions
- Connection and connecting terminals
- Heat-shrink hoses
- Laying and connection material;other
- Line designations
- Mounting materials
- Multicore cable ends
- Rotary switches(installation systems)
- Screwed cable glands
- Terminal strips
- Terminals,series terminals (routing and connecting materials)

- Modular push-button or rocker switch systems(installation technology)
- Multiple plugs
- Plug ranges;other
- Push-button switches(installation systems)
- Sockets

- Couplings
- Plug inserts,inserts for cold and warm appliance sockets

- Electronic switches and controls for equipment
- Equipment protective switches
- Equipment plugs and sockets
- Equipment switches
- Lamp holders
- Parts and accessories for equipment
- Push-button switches for equipment
- Rotary equipment switches

- Drive systems for building engineering

- Antenna cables,RF cables
- Antenna lines,RF lines
- Cable fittings for transmission equipment
- Cables and lines for house installation,general
- Cables and lines for weak-current installations
- Cables for transmission equipment;other
- Co-axial cables
- Computer lines and lines for other electronic equipment
- Connecting cables
- Fiber optic cables
- Fiber optic instrument and LAN cables
- Fiber optic PCM cables
- Fibre-optic cable connectors,plugs,amplifiers,interfaces
- Flat strip lines
- Indoor cables for transmission equipment
- Instrument cables,LAN cables
- Insulated wires and lines for transmission equipment
- Lightning protective cables,self-supporting air-cables for transmission equipment
- Long-distance cables and lines
- Outdoor cables for transmission equipment
- Parts and accessories for transmission equipment
- Ready-made cables for transmission equipment
- Ready-made lines
- Ship wiring cables,marine cables,off-shore cables for transmission equipment
- Special lines for signalling and data transmission;other
- Special systems and components for transmission technology
- Spiral lines
- Waterproof connector and cable assembly

- Accessories(pipes,valves etc.)
- Buidling heating technology,refrigeration engineering and ventilation and air conditioning;other
- Heating blowers
- Heating elements(radiators,baseboard heaters,panel and flat surface radiators)
- Heating units and radiators(electric/gas) for building engineering
- Industrial water heaters
- Refrigeration machines and systems for building engineering,cold water aggretates
- Surface heating systems;other(wall and ceiling heating systems,etc.)

- Accessories for servo components and actuators for building engineering
- Butterfly valve drives
- Servo components and actuators for building engineering;other

- Axial fans
- Cross-flow fans
- Fan impellers
- Radial fans
- Roof-mounted fans

- Air filters for ventilation and air-conditioning
- Air heating systems
- Air humidification and dehumidification systems
- Air humidifiers with jet systems
- Air-conditioning systems for ventilation and air-conditioning
- Heat exchangers(air heaters,air coolers) for ventilation and air-conditioning
- Indirect air coolers
- Ventilation and air-conditioning elements;other
- Ventilation and air-conditioning equipment;other

- Accessories for dust extraction from air and other gases
- Equipment for dust extraction from air and other gases
- Equipment for dust extraction from air and other gases;other
- Exhaust air and flue gas decontamination systems
- Similar related equipment to technology for dust extraction from air and other gases
- Suction and dust extraction systems

- Compression refrigerating plants
- Equipment and installations of clean-room technology;other

- Fan cooling towers
- Fittings and accessories(refrigeration engineering)
- Heat pumps and heat pump systems
- Liquid coolers
- Recooling plants(refrigeration engineering);other
- Refrigerating machines and plants;other

- Airborne noise absorption
- Structure-borne noise absorption

- Building services management systems
- Building systems engineering

- Complete house automation,home automation systems
- Fault signalling systems for building automation
- HLK automatic electrical control systems for building automation
- Switchgear,switch cabinets,switchboards,and switching consoles for building automation
- Systems in analog and digital technology for building automation
- Visualization systems for building automation

- Back-up power supplies,UPS systems for building automation
- Domestic engineering data transfer systems
- Fieldbuses for building automation
- Information-over-IP
- Intranet,Internet applications for building automation
- Moderns,multiplexers,controllers,concentrators for building automation
- Multifunctional communication systems
- Network communications for building automation
- Radio data transfer for building automation
- Transmission systems for building automation

- Area monitoring via movement detectors,presence detectors
- Integrated entry and building intercom systems for building engineering
- ISDN remote control applications and systems for building automation
- Remote control systems for building automation
- Remote control systems for building services systems
- Remote inquiry systems for building automation
- Remote monitoring systems for building automation
- Teleautomatics for building automation

- Acoustic signalling devices for building engineering
- Luminous circuit diagrams,luminous displays for building engineering
- Optical signalling devices for building engineering
- Signalling devices;other

- Emergency call systems for buildings and industrial plants
- Explosion-proof loudspeakers and stations
- Fire protection monitoring systems
- Integrated systems for safety engineering in building automation
- Intercom systems
- Monitoring systems for electrical installations
- Monitoring systems for heating and air-conditioning systems
- Monitoring systems for lifts and elevators
- Public address systems
- Video monitoring systems
- Watchman monitoring and recording systems

- Actuator drives,valves for building automation
- Alarm and emergency call systems
- Biometric access control systems
- Code card entry control services
- Communication management systems
- Energy management systems
- Gate and door-opening systems for access control
- Identification devices
- Measurement,monitoring,regulation,and control equipment for building automation
- Sensors(e.g. temperature sensors for external/ground temperatures,ambient temperature sensors) for building automation
- Signalling devices and light barries
- Signalling panels for building automation
- Software for building automation
- Software for security systems
- Technical building management systems

- Consultancy for the energy trade
- Gas supply
- Gas trade
- Network monitoring and control for gas supply
- Network monitoring and control for power supply
- Power supply
- Power supply,energy trading and water supply;other
- Software for energy trading
- Trading with ecologically generated electricity
- Trading with electricity
- Trading with oil,fuel oil
- Water supply

- Energy management in power engineering
- Energy management for distribution networks
- Energy management for sector-specific areas of use
- Energy management in building engineering
- Energy management in Factory Automation
- Energy management;other
- Performance contraction in energy management

- Consultancy and planning for heating stations and heat generation plants
- Consultancy and planning for mains operation for electricity,gas,water
- Consultancy and planning for power stations and electricity generation plants
- Consultancy for occupational safety and health protection systems in power engineering
- consulting for power supply companies
- Consulting services for bulk purchasers of power and water
- Consulting services for optimizing the usage of power and water
- Plant owner models for power engineering and thermal engineering systems
- Process optimization for power engineering

- Contracting and energy-contracting for emergy users

- Certificates and studies for power engineering;other
- Environmental compatibility assessments for power engineering
- Performance of certification procedures,adherence to legal framework conditions in power engineering

- EMC measurements for power engineering
- Fault analyses for power engineering
- Mains analyses for power engineering
- Measurement and analyses for power engineering ;other

- Contracting for power engineering
- Engineering,development of electronic systems
- Engineering,development of energy extraction and generation plants
- Simulation for power engineering

- Application software for power supply companies
- Application software for remote meter reading
- Conception of power characteristic figures and power controlling

- Databases for power engineering
- Internet,Intranet solutions for power engineering
- Preparation of manuals,training ducuments,and information material for power engineering
- Technical documentation for power engineering

- Certification according to DIN ISO 9000 ff for power engineering
- Conception,introduction and implementation of quality management in power engineering
- Environmental certification(ecological audit) for power engineering
- Product certification(CE,GS,etc.) for power engineering

- 25hr repair service/spare parts service for power engineering
- Cable installation,cable laying for power engineering
- Maintenance and services of electrical systems
- Maintenance and services of other systems and accessories for power engineering
- Maintenance and services of power stations and electricity generation plants
- Maintenance and services of transformers and generators
- Plant consultancy,plant service for power engineering

- CE test certificates for electrical devices,power engineering plants
- Commissioning tests of high-voltage cable installations and GIS
- Testing of current and voltage transformers
- Testing of electrotechnical devices and installations(high-voltage products)
- Testing of electrotechnical devices and installations(low-voltage products)
- Testing of protection devices for electrical installations

- Complete solutions for cable networks and local networks
- Complete solutions for cable systems in power engineering
- Complete solutions for high and low-voltage switching systems
- Complete solutions for open-air systems
- Complete solutions for other systems in power engineering;other
- Complete solutions for systems of electricity supply companies and industrial use
- Production of turn-key plants and turn-key sub-plants for power engineering

- Organizations,associtations,authorities in power engineering
- Publishers,technical publications for power engineering