MCCB (Moulded Case Circuit Breaker)

MCCB is a medium voltage circuit breakers. In choosing a circuit breaker things to consider are:

- Characteristics of the system where the circuit breaker is installed.
- The need for continuity of service power source.
- The rules and standards in force protection. 
 
Characteristics of system

1. System voltage
   Operational voltage of the circuit breaker must be greater or equal to the minimum system voltage.
2. Frequency system
   Rated frequency of the circuit breaker harussesuai with system frequency. Merlin Gerin circuit breaker can operate at a frequency of 50 or 60 Hz. For applications at a frequency of 400 Hz please contact us.