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AUK2000 Medium Voltage (ATEX & Non ATEX) Circuit Breakers

Suitable for:EnergyIndustrialMiningTunnelling

Product description

The ALLENWEST AUK2000 Circuit Breaker range is a development from our highly successful type 2000 Multi-Contactor Load Centre Range.

The circuit breakers are available as freestanding units with optional facilities to cable the incoming supply through to another unit or assembling can be arranged in switchboard formation by means of bus bar inter-trunking boxes.

Alternatively, complete switchboards can be supplied for ‘critical plant control’ or distribution purposes. These are more suited towards customised and permanent installations. The AUK2000 Circuit Breaker range is available for use on three-phase supply systems up to 22kV 50Hz

Applications include:

  • Incomer
  • Ring main
  • Bus section
  • Feeder
  • Isolation unit

The Allenwest AUK2000 Circuit Breakers are suitable for transformer mounting as HV incoming or LV outgoing breakers with optional critical plant control.

Key features

  • Multi-function applications for motor starters, soft starters and breakers voltages up to 22 kV
  • Flameproof, Robust and Industrial types
  • Customisable isolator and contactor options
  • Independent or simultaneous drive sequencing
  • Modular design for freestanding or multiple unit configurations
  • Certified to EN standards
  • Up to 20,000V 50/60Hz
  • 400A six-pole on/off earth isolator
  • 630A vacuum circuit breaker
  • Choice of cable terminations
  • Overcurrent and short circuit
  • Earth leakage protection
  • Earth lockout protection
AUK 2000
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Technical Specifications

  Flameproof Robust Industrial
Ex rated

Yes – Standard rating I M2 Ex db I Mb

Additional IS equipment can be added to achieve I M2 Ex db [ia Ma] I Mb

No No
Ex certification ATEX BASEEFA 15 ATEX0092, DGMS (India) E00134/3 No No
IP56 IP54 Minimum
IP65 Maximum
IP54 Minimum
IP65 Maximum
IP54 Minimum
IP65 Maximum
Sheet steel construction No No Up 2.5ml
4mm – 15mm plate steel construction Yes Yes No
Functionality: earth continuity (including remote start) Optional Optional Optional
Functionality: statutory test Yes Yes Yes
Functionality: status of all protection functions Yes Yes Yes
Arc venting NA Yes NA
Ethernet compatible Yes Yes Yes
Internal data logger Yes Yes Yes
Coupler plug/socket cable connection Yes Yes Yes


All Allenwest equipment is designed with ease of maintenance in mind. We offer several maintenance solutions to suit your specific means.

Accreditations & memberships

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The Allenwest Team has experience across all our sectors and many electrical installations. Get in touch with one of the team to see how Allenwest can assist you with your project requirements.