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Circuit breakers

xPole Combined RCD/MCB Device PKN4, 1+N-pole

This residual current operated circuit breaker with integrated overcurrent protection in 1+N pole is a high-quality residual current circuit breaker and miniature circuit breaker combination, which has a line voltage-independent breaking capacity of 4 kA.
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Rated currents
up to 40 A
Tripping Characteristics
B and C
Rated Breaking Capacity
4.5 kA

Core features

  • Combined RCCB/MCB device
  • Comprehensive range of accessories suitable for subsequent installation
  • 3-position DIN rail clip, permits removal from existing busbar system
  • Type-A: Protects against special forms of residual pulsating DC which have not been smoothed
  • Type-G: 10ms time delay in order to avoid unwanted tripping, e.g. during thunderstorms
  • special type for 110V available
  • Rated currents up to 40 A
  • Tripping characteristics B, C
  • Rated breaking capacity 4kA
  • 1+N pole
  • Line voltage-independent tripping
  • Compatible with standard busbar
  • Twin-purpose terminal (lift/open-mouthed) above and below
  • Busbar positioning options (above or below)
  • Free terminal space despite installed busbar
  • Guide for secure terminal connection
  • Switching toggle (MCB component) in colour designating the rated current
  • Contact position indicator red - green

Suitable RCD/MCB types for all contingencies

  • Type -A: Protects against special forms of residual pulsating DC which have not been smoothed.
  • Type -G: 10 ms time delay in order to avoid unwanted tripping (e.g. during thunderstorms).
  • Type AC: This type only detects pure sinusoidal AC residual currents.

Line protection and residual current protection all in one device

Eaton's high quality standard guarantees comprehensive personal- and equipment protection by combining the functionalities of a residual current circuit breaker with those of a miniature circuit breaker. This means our customers spend less time and effort wiring while still protecting the system against overload, short circuit and residual current. Using Eaton's line of RCBOs, your electrical system will increase in safety and reliability.

IEC Standard quality design

The RCBO line adheres to the IEC standard of IEC/EN 61009 – an IEC region as well as European standard for RCDs with integrated overcurrent protection (RCBOs). This applies to both the line voltage-independent and line voltage-dependent RCDs/MCBs with rated currents up to 125 A for fixed installations. All requirements of IEC/EN 61009 are 100 % fulfilled by Eaton's RCBO line. All required standards are printed on the devices.
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Eaton is an intelligent power management company dedicated to improving the quality of life and protecting the environment for people everywhere. We are guided by our commitment to do business right, to operate sustainably and to help our customers manage power ─ today and well into the future. By capitalizing on the global growth trends of electrification and digitalization, we’re accelerating the planet’s transition to renewable energy and helping to solve the world’s most urgent power management challenges.
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