MCCB AC BREAKERS

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An AC MCCB (Molded Case Circuit Breaker) is used to protect electrical systems against overloads and short circuits in low-voltage AC installations.

Ahm (A) Rating

100A160A200A250A

Pole

4 Pole

Clear

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MCCB AC BREAKERS

An AC MCCB (Molded Case Circuit Breaker) is used to protect electrical systems against overloads and short circuits in low-voltage AC installations. It is commonly installed in main distribution boards for buildings, factories, commercial facilities, and large solar inverter AC outputs. AC MCCBs handle higher current loads than MCBs and provide reliable, resettable protection for critical power circuits.

Technical Details

Breaker Type: AC MCCB (Molded Case Circuit Breaker)
Application: Main distribution boards, inverter AC output, commercial and industrial power systems
Voltage Rating: Typically 230V / 400V / 415V AC (model dependent)
Current Rating: Commonly 63A – 1600A (varies by model)
Number of Poles: 2P / 3P / 4P
Breaking Capacity: High short-circuit breaking capacity (e.g. 25kA – 50kA or higher)
Trip Protection: Thermal protection (overload) + magnetic protection (short circuit)
Mounting Type: Panel-mounted
Operation: Manual ON/OFF with clear trip indicator
Adjustability: Fixed or adjustable trip settings (depending on model)
Construction: Molded, flame-retardant housing
Standards: IEC 60947-2 compliant
Typical Use: Main incomer breaker, feeder protection, generator and inverter AC protection