MCB – Miniature Circuit Breaker

MCB

MCB – Miniature Circuit Breaker

A Moulded Case Circuit Breaker (MCCB) is built for medium to high current protection. It safeguards electrical distribution systems from overloads, short circuits, and earth faults. With adjustable trip settings and high breaking capacities, MCCBs are essential in industrial plants, commercial complexes, and distribution panels.

  • Handles higher current ratings (up to 1600A)
  • Adjustable thermal & magnetic trip settings
  • High short-circuit withstand capacity
  • Available in 3P / 4P configurations
  • Reliable protection for industrial & commercial use

Applications

✔ Industrial machinery & heavy loads
✔ Power distribution panels
✔ Iommercial & corporate buildings
✔ Generator and motor protection

Wire sizes with voltage & current ratings
Parameter Details
Rated Current (In) A16 – 1600
Rated Voltage (Ue) VUp to 690 AC
Poles3P / 4P
Breaking Capacity (Icu) kAUp to 50kA
Trip UnitThermal-Magnetic / Electronic
StandardsIS/IEC 60947-2
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