Selected China Supply Products for Global Buyers
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I9U GlobalB2B Sourcing Platform

Miniature Circuit Breaker (MCB)

Miniature circuit breakers for overload and short-circuit protection in residential, commercial and industrial electrical distribution systems.

Miniature circuit breaker MCB

Product Overview

Miniature circuit breakers (MCBs) are essential electrical protection devices used in distribution boards, consumer units and control panels worldwide. They automatically interrupt current flow when overload or short-circuit conditions are detected. Available in various pole configurations, current ratings, and tripping characteristics for different applications from residential lighting to industrial motor protection.

  • MCB circuit breakers for overload and short-circuit protection in electrical installations
  • Available in 1P, 2P, 3P and 4P configurations with B, C and D tripping curves
  • Suitable for residential distribution boards, commercial panels and industrial control cabinets
  • Current rating, breaking capacity, pole number and certification requirements confirmed by inquiry
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Key Specifications

Product NameMiniature Circuit Breaker / MCB
CategoryElectrical Components
Common Types1P, 1P+N, 2P, 3P, 3P+N, 4P MCB; B/C/D curve
Main ParametersRated current (6A-63A), breaking capacity (3kA/4.5kA/6kA/10kA), rated voltage, tripping curve
ApplicationsResidential distribution, commercial buildings, industrial panels, motor protection
Inquiry InformationPlease provide rated current, pole number, breaking capacity, tripping curve, quantity and certification requirements.
ContactEmail: xyf@x5h.net · WhatsApp: +44 07563407435

Buyer Notes

Inquiry Details

Please provide specification, quantity, destination country, packaging and labeling needs.

Bulk Sourcing

Suitable for batch purchasing, sample confirmation and repeat replenishment.

China Supply

This page organizes common China B2B industrial product demand for overseas inquiries.