MCB

Miniature Circuit Breakers

Modular overcurrent protection from 6A to 125A, in 3kA, 6kA and 10kA breaking capacities, with B, C and D characteristics.

Miniature Circuit Breakers
Representative models

Products in this family. 5

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

WCC Miniature Circuit Breaker
Miniature Circuit Breaker

WCC Miniature Circuit Breaker

Entry breaking capacity for domestic and light-commercial final circuits, where the prospective fault current at the board stays low. Same modular format and same B/C/D curve choice as the 6kA and 10kA ranges.

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WCZ Miniature Circuit Breaker
Miniature Circuit Breaker

WCZ Miniature Circuit Breaker

Where the other MCB series stop at 100A, this one starts at 80A and runs to 125A on a 10kA breaking capacity — the range used on incomers and sub-main circuits rather than final circuits.

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Product selection

Specify the right configuration

01Rated current and trip curve
02Poles
03Breaking capacity
04Target standard and market
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

  • WCC MCB · 3kA
  • WCA MCB · 6kA
  • WCB MCB · 10kA
  • WCH MCB · 80–100A
  • WCZ MCB · 80–125A
Compliance

Standards direction

  • IEC / EN 60898-1
  • CB / SEMKO / UKCA · request the covered-model schedule