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MCB Circuit Breakers

Miniature circuit breakers for overload and short-circuit protection in residential, commercial and technical electrical installations.

MCB Circuit Breakers

Technical description

MCB circuit breakers protect electrical circuits against overloads and short circuits.

They are selected according to number of poles, current rating, breaking capacity, tripping curve and installation type.

Typical use cases

  • Lighting circuit protection
  • Socket circuit protection
  • Residential distribution boards
  • Commercial sub-distribution
  • Technical equipment circuits

Specifications

Product familyMiniature circuit breakers
FunctionOverload and short-circuit protection
Pole options1P, 1P+N, 2P, 3P, 4P depending on supplier range
Current ratingSelected according to circuit design
CurveB, C or D curve depending on load type
MountingDIN rail mounting
AccessoriesComb busbars, labels, auxiliary contacts and blanking plates

Supplier options

Possible supplier-equivalent ranges can include Hager, Schneider Electric, Legrand, ABB, Siemens, Eaton or similar professional electrical protection suppliers depending on availability and project requirements.

Quote information needed

  • Device type and required quantity
  • Number of poles
  • Current rating in amperes
  • Curve, RCD type or residual-current sensitivity where applicable
  • Breaking capacity or installation requirement if known
  • Preferred brand or equivalent accepted
  • Delivery location and required deadline

Delivery note

Transport is not automatically included in the displayed product information. Delivery cost, supplier stock, lead time and final price are confirmed after quotation.

Protection devices must be selected according to the electrical design, installation standard and circuit requirements.