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The Niglon RCBO1-50/30SA2 is a 50A single-pole Type B RCBO that combines MCB and RCD protection in a single compact module, rated for the higher fault levels found on circuits closer to the supply.

Its bi-directional design allows the supply to be connected at either the top or bottom terminals for flexible wiring, and the switched line and solid neutral configuration makes it an efficient choice for populated consumer units and distribution boards. Certified by Semko and Intertek.

Key features

  • 50A rated current with a Type B tripping curve for general-purpose final circuits
  • 30mA Type A RCD protection, detecting AC and pulsating DC residual currents
  • 10kA breaking capacity
  • Bi-directional — supply can be connected at the top or bottom terminals
  • Switched line and solid neutral
  • Space-saving single-module design

Specification

  • Product code: RCBO1-50/30SA2
  • Rated voltage: 240V
  • Rated current: 50A
  • Tripping curve: Type B
  • RCD type: Type A
  • Rated residual trip current: 30mA
  • Breaking capacity: 10kA
  • Switching: switched line & solid neutral
  • Bi-directional: Yes
  • Cable capacity: Line 25mm², Line/Neutral 10mm²
  • Torque rating: Line 2.5Nm, Line/Neutral 1.5Nm
  • Standards: BS EN 61009-1, IEC 61009-2-2

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