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Residual Current Circuit Breaker
WRT Time-Delay Residual Current Circuit Breaker
Time-delayed Type A device for the upstream position. Delaying the trip lets a downstream RCD clear its own fault first, so one earth fault does not take out the whole installation.
Technical overview
Core specifications
Rated current80, 100A
Poles2P
Residual operating current I∆n100mA
TypeA / AC, time delay
Rated voltage240 / 415V AC
Conditional breaking current Inc6000A
Electro-mechanical endurance4,000 cycles
Connection capacityRigid conductor up to 35mm²
Mounting35mm symmetrical DIN rail
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Technical files
Datasheet, dimensions and certificate scope
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PDF · Product datasheet DWG/PDF · Dimensions & installation PDF · Certificate scope
Request Technical Files Typical use
- Upstream / incomer RCD position
- Selective discrimination schemes
- Commercial distribution
Compliance references
- IEC / EN 61008-1
Customisation scope
- Brand marking
- Packaging
- Technical literature
Related products
Other products supplied for the same installations.
Residual Current Circuit Breaker
WRD Type A/AC Residual Current Circuit Breaker
Type A residual-current protection covering 25A to 100A. It responds to pulsating DC components as well as sinusoidal AC, which is why the catalogue positions it for individual EV charge points where the vehicle being charged is unknown.
View specifications →
Residual Current Circuit Breaker
WRV Type B Residual Current Circuit Breaker
Type B protection detects smooth DC residual current, which ordinary AC and Type A devices cannot. That matters wherever an installation contains PV inverters, frequency converters or DC-side EV charging — the fault current there is not necessarily alternating.
View specifications →
Residual Current Circuit Breaker
WRL-63 Type A/AC Residual Current Circuit Breaker
Residual-current protection without overcurrent protection, covering 16A to 63A in 1P+N and 3P+N, with 30, 100 and 300mA sensitivities and both Type A and Type AC detection.
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