MCCB is the abbreviation for Molded Case Circuit Breaker.Molded Case Circuit Breaker is a device that protects the circuit from overload, short circuit and other faults. They are commonly used in industrial and commercial power distribution systems with a wide range of rated current, usually between 100A and 1000A.
MCCB has the following characteristics:
High breaking ability:can quickly disconnect the circuit in the event of short circuit, protect the safety of equipment and personnel.
Adjustability: Many MCCBs allow users to adjust overload and short circuit protection Settings according to specific needs.
Reliability: Designed to be robust and durable for long-term use in harsh environmental conditions.
Versatility: In addition to overload and short circuit protection, some MCCBs also offer features such as ground fault protection and undervoltage protection.
MCCB is widely used in industrial, power, commercial buildings and infrastructure projects, suitable for a variety of complex and high-load power systems.
| Type | Rated Current | Application |
| MCB | Below 100A | Mainly used for residential and small commercial premises |
| MCCB | 100A~1000A | Suitable for industrial and large commercial premises |
| ACB | Above 1000A | mainly used in large industrial and power distribution systems |
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