RCDs

An RCD (residual current device), has been designed to protect you from fatal electric shocks as it automatically switches off electricity when there is a fault. This potentially life-saving device protects against electrocution in instances where there is a bare wire, over-heating or earth faults.

RCDs are also known as an RCCB (residual-current circuit breaker) in the UK but in the United States and Canada they are referred to as a GFCI (ground fault circuit interrupter).
If RCDs are regularly tested, they are reliable life-saving devices, reducing the risk of electric shock and protecting your home against electrical fires.

How does an RCD work?
An RCD is placed within the circuits it has to protect. By monitoring the electric current, it can quickly detect when a circuit fails and electricity is flowing incorrectly. When the fault is detected, the RCD switches off the circuit so that the person handling the wires comes to no harm.
RCDs are often integrated with a fuse or MCB (miniature circuit breaker) adding protection when there are excessive current causing spikes or surges in the circuit.

Types of RCD
  • Fixed RCDs: they are installed in a fuse box and are used for both industrial and domestic applications. They protect lots of circuits and provide an excellent level of protection. RCDs located within a consumer power distribution unit are mostly passive. This allows household appliances to re-establish normal operation when the circuit power is restored.
  • Socket-Outlet RCDs: they provide individual protection to the person who is in contact with the equipment. They can be used in place of a standard socket outlet. Socket-outlet RCDs are either active or passive. They are latching in operation so are not ideal for power tools which do not require a restart when the circuit is restored.
  • Portable RCDs: they also only provide individual protection to the person who is in contact with the equipment. They plug into any standard socket, and the appliance is then plugged into the RCD. Portable RCDs are mostly active and unlatch when any abnormality is detected. People who use outside power tools would benefit from a portable RCD as their equipment could become dangerous if they were suddenly reactivated.

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Description Prix Number of Poles Current Rating Model Number Trip Sensitivity Rated AC Voltage Rated DC Voltage Mounting Style Range Break Time Series Application Breaking Capacity Circuit Breaker Type Earth Leakage Protection Type
N° de stock RS 790-9487
Référence fabricantA9D69632
159,56 €
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Unité
- 32 A - 300mA 230 V - DIN Rail Acti 9 - iDPN - - - -
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Référence fabricant5SV3314-6KK12
MarqueSiemens
141,30 €
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1 + N 40 A - 30mA 230 V - DIN Rail Sentron Instantaneous 5SV3 Industrial, Non-Residential, Residential - RCCB -
N° de stock RS 790-9462
Référence fabricantA9D60625
153,70 €
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- 25 A - 100mA 230 V - DIN Rail Acti 9 - iDPN - - - -
N° de stock RS 178-099
Référence fabricant2CCL562110E0165 - FS401M-B16/0.03
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159,26 €
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N° de stock RS 490-440
Référence fabricant236778 | PXF-40/4/03-A
MarqueEaton
64,66 €
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N° de stock RS 825-6084
Référence fabricantP1RC4P25AC030
MarqueLovato
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N° de stock RS 490-163
Référence fabricant236740 | PXF-16/2/03-A
MarqueEaton
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301,14 €
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Référence fabricant4 116 37
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Référence fabricant1492-RCDA4D80
329,00 €
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Référence fabricantA9Y12440
366,91 €
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3 + N 40 A Acti9iTG40 30mA 400 V - DIN Rail Acti9 Instantaneous - - - - Type AC
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Référence fabricant4 116 10
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Référence fabricantP1RC4P25AC300
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Référence fabricant167905 | FRCDM-40/4/03-G/BFQ
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657,07 €
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Référence fabricant2CSB204101R3630 - DDA204A-63/0,3
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Référence fabricant236205 | PKNM-16/1N/B/003-A-MW
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Référence fabricant4 117 61
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Référence fabricant236305 | PKNM-32/1N/C/003-MW
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