23

Low-Voltage Switchgears, Installations and Systems

Switchgear Installations and Distributions...

2311.17

Construction (installation) of low-voltage switchgears

2311.21

Open type switchgear installations for low-voltage

2311.24

Metal-enclosed switchgear installations for low-voltage

2311.27

Enclosed distributions and boxes for low-voltage of sheet steel and cast iron

2311.31

Enclosed distributions and boxes for low-voltage of insulating material
— Cases (empty) see 2399.17-2399.24

2311.32

Low-voltage main distribution boards

2311.34

Fire-proof and gas-proof switchgear installations for low-voltage

2311.37

Switchboards

2311.41

Switch cubicles (cases)
— Construction of switch cubicles (completely equipped) see 2311.66

2311.44

Desks, pillars and cells

2311.47

Busbar distributors

2311.51

Distributors for building grounds
— Switching stations for low-voltage see 2111.27

2311.53

Distribution cabinets and pillars for fairgrounds

2311.54

Current distributors for camping

2311.55

Distribution pillars (outdoor), e.g. house service connection pillars, electric meter pillars, for street lighting etc.

2311.57

Cable distribution cubicles
— Distributors for telecommunications see 5526.27-5526.37

2311.58

Connection columns, socket-outlet distribution units (inside)

2311.59

Connection pillars (outdoor)

2311.61

Movable distribution cabinets

2311.66

Construction of switch cubicles (completely equipped switch cabinets)

No-Load and Load Circuit Breakers...

2315.17

Disconnecting switches for indoor installations

2315.19

Direct current load disconnectors

2315.24

Load switches

2315.27

Fuse no-load and load disconnectors

2315.29

Switch-disconnectors with fuses

2315.31

High rupturing capacity fuse disconnector ledges

2315.33

Low-voltage highbreaking-capacity fuse switch disconnectors for DC applications

2315.34

Lever operated single-throw and double-throw switches

2315.37

Cam-operated switches (no-load and load connectors)

2315.41

Main switches

2315.44

Packet switches

2315.47

Bypass switches for uninterruptible power systems (UPS)

Manual and Foot Operated Controllers...

2319.17

Push-button switches

2319.21

Push-button switchboards and pendant switchboards

2319.24

Foot-operated push-button and control switches

2319.27

Swing controllers and switches

2319.31

Control discrepancy switches

2319.34

Switches for auxiliary circuits

2319.37

Switch-pushbutton combinations for industry

Mechanically Operated Controllers...

2323.17

Limit-switches (limit push-buttons, positioning switches)

2323.21

Series and shunt-limit-switches

2323.24

Microswitches
— Microswitches as component see 6811.61

2323.27

Float switches

2323.31

Master controllers

2323.34

Emergency stop switches (devices)

2323.37

Switch actuator strips, safety contact rails

2323.41

Switching mats, safety contact mats

2323.44

Interruption bumpers, safety bumpers

2323.47

Door-operated switches and door interlocks for elevator engineering

2323.51

Safety switches for personal and machine protection

2323.53

Enabling switches

2323.55

Cable-operated emergency switches

Contactless Switches...

2326.15

Inductive proximity switches

2326.19

Capacitive proximity switches

2326.21

Proximity switches on supersonic base

2326.24

Magnetic proximity switches

2326.31

Optical proximity switches

Switchgear and Controlgear for Three-Phase Current...

2333.17

Star-delta starters

2333.21

Reversing switches

2333.24

Pole changing switches (for speed variation)

2333.27

Cam switches

2333.31

Starters and controllers for three-phase current

2333.34

Liquid starters

2333.36

Oil-cooled resistor starters

Switchgear and Controlgear for Direct Current...

2335.21

Battery charge/discharge switches

Vehicle Power Switchgroups...

2338.17

Power switchgroups for vehicles

2338.21

Controllers for lifting and drag devices

Power and Protection Circuit Breakers...

2341.17

Power switchgroups up to 40 A (motor protection switches)

2341.21

Power switchgroups over 40 A (motor protection switches)

2341.24

Compact power switches

2341.27

Open power switches

2341.31

Crane protection switches, multi-motor protection switches

2341.34

Circuit-breakers (automatic) with overcurrent, short-circuit or voltage tripping devices

2341.37

Motor starter combinations

Contactors, Relays (also Monitoring Relays)...

2344.17

Auxiliary and control contactors

2344.21

Small-type contactors (up to 3 kW)

2344.24

Air contactors (motor contactors)

2344.27

Contactor combinations (star-delta contactors, reversing contactors, etc.)

2344.31

Power contactors, industrial contactors

2344.32

Vacuum contactors

2344.34

Solid-state contactors

2344.35

DC contactors

2344.37

Thermic overcurrent releasers

2344.41

Motor protective relays

2344.47

Safety switching devices

2344.51

Two-hand safety relays

2344.54

Safety door monitors

2344.99

Other contactors and relays

Controllers (Monitors), Two-Position Controllers, Limit Monitors...

2346.17

Pressure-operated switches, differential pressure switches

2346.21

Vacuum-operated switches (low-pressure switches)

2346.24

Pressure controllers

2346.27

Temperature controllers (relays)

2346.31

Tachometric relays, speed monitors

2346.34

Level switches

2346.35

Flow indicators

2346.37

Overcurrent and/or voltage relays

2346.39

Isolation monitors

2346.41

Limit monitoring indicators, limit transducers
— Measuring and monitoring relays see 7711.17-7711.99

2346.44

Two-position controllers

2346.47

Thermostats (thermo regulators)
— Thermostats for heating apparatus see 3799.24

2346.99

Other controllers (monitors), two-position controllers, limit monitors

Power Socket-Outlets and Plugs and other Switchgear...

2351.17

Power socket-outlets and plugs (industrial plug-and-socket connections)

2351.19

High-current plug-and-socket connectors

2351.21

Surge voltage protectors for low tension systems
— such as for the telecommunication see 6835.31

2351.22

Surge voltage protectors (overvoltage arresters) for photovoltaic plants

2351.24

Socket-outlet combinations

2351.99

Other low-voltage switchgears

High-Rupturing Capacity Fuses...

2354.17

Normal fuse links (high-rupturing capacity)

2354.21

High-rupturing capacity fuse links for semiconductor rectifiers

2354.24

High-rupturing capacity fuse links for mining

2354.27

High-rupturing capacity fuse links acc. to foreign standards

2354.31

Fuse carriers (handles)

2354.34

High-rupturing capacity fuse bases

2354.99

Other high-rupturing capacity fuses
— Fuse disconnectors see 2315.27

Resistors...

2357.17

Measuring resistors (shunt resistors)

2357.21

Ring-type and pillar-type rheostats

2357.24

Starting, slip, drive and load resistors

2357.25

Braking resistors

2357.27

Charging resistors

2357.31

Testing resistors

Low-Voltage Switchgear of Special Construction...

2369.17

Flameproof and gasproof switchgear

2369.24

Low-voltage switchgear according to foreign standards

Accessories for Low-Voltage Switchgear and Installations...

2399.17

Boxes, distribution boxes of sheet steel for busways

2399.21

Boxes, distribution boxes of cast iron for busways

2399.24

Boxes, distribution boxes of insulating material for busways

2399.25

Fireproof cubicles, distribution boxes with functional endurance in case of fire

2399.27

Controls (actuators) for switchgear

2399.31

Pointing and marking signs for electrotechnical installations and apparatus

2399.34

Technical lables, badges

2399.99

Other accessories for low-voltage switchgears
— Contacts see 9326.21
— Bimetals see 9326.24