RCCB

Residual Current Circuit Breakers

Residual-current protection in Type A, time-delayed and Type B versions — including smooth DC detection for EV charging and PV systems.

Residual Current Circuit Breakers
Representative models

Products in this family. 4

Open any model for technical data, commercial terms, compliance references, OEM options and available documents.

WRV Type B Residual Current Circuit Breaker
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.

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Product selection

Specify the right configuration

01Residual current type (A / time-delay / B)
02Residual current sensitivity
03Rated current
04Poles
Buyer evaluation checklist

Information to verify before requesting a quote.

Compare technical, commercial and compliance information against the exact model before sending a requirement to purchasing.

01Model & ratings

Model number, poles or ways, current, voltage, breaking capacity and IP rating.

02Application fit

Typical installations, compatible systems and selection guidance.

03Standards & scope

Applicable standards, approval type and exactly which models are covered.

04MOQ & samples

Standard MOQ, trial-order policy, sample cost and preparation time.

05Lead time

Timelines for standard orders, OEM samples and repeat production.

06Warranty

Warranty term, applicable scope and claim-support information.

07OEM options

Logo, marking, colour, packaging, labels, manuals and catalogues.

08Technical files

Datasheet, dimensional drawing, wiring diagram and installation guide.

09Related products

Compatible enclosures, breakers, RCDs, RCBOs, SPDs and fuse systems.

10Quote checklist

Model, quantity, market, application, approval and delivery target.

Commercial and technical support Specifications · MOQ · samples · lead time · warranty · certificate scope

Send the target model, quantity and destination market so sales can return the relevant technical and commercial package.

Product range

Available configurations

  • WRD Type A/AC RCCB
  • WRL-63 RCCB
  • WRT time-delay RCCB
  • WRV Type B RCCB
Compliance

Standards direction

  • IEC / EN 61008-1 · CB · SEMKO · UKCA
  • IEC / EN 62423 · Type B range (WRV)