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Residual current circuit breaker

A residual-current device (RCD), or residual-current circuit breaker (RCCB), is an electrical wiring device that disconnects a circuit whenever it detects that the electric current is not balanced between the energized conductor and the return neutral conductor. Such an imbalance may indicate current leakage through the body of a person who is grounded and accidentally touching the energized part of the circuit. A lethal shock can result from these conditions. RCCBs are designed to disconnect quickly enough to prevent injury caused by such shocks. They are not intended to provide protection against overcurrent (overload) or short-circuit conditions.

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Name Type Mask / Range of values Measure
Construction size (in accordance with DIN 43880)   N 0 — 9
Degree of protection (IP)  
  • EV006404 - IP00
  • EV006606 - IP10
  • EV006607 - IP12
  • EV006405 - IP20


Category Residual current circuit breaker has been updated

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Moderator Alexey Makhov is responsible for the category Residual current circuit breaker

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Attribute Degree of protection (IP) was updated in category Residual current circuit breaker

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Attribute Degree of protection (IP) was updated in category Residual current circuit breaker

Avatar picture Mike Gurfing
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Attribute Degree of protection (IP) was created in category Residual current circuit breaker

Avatar picture Mike Gurfing
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