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Introduction to Schneider Circuit Breaker Selection
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RMM1 series plastic shell circuit breaker

The RMM1 series plastic shell circuit breaker is suitable for use in distribution networks with AC 50Hz rated working voltage of 400V and rated current up to 630A and below. Circuit breakers with 400A and below can also be used for motor protection. The rated insulation voltage of this circuit breaker is 690V.

Distribution circuit breakers are used in distribution networks to distribute electrical energy and protect lines and power equipment from overload, undervoltage, and short circuits.

Circuit breakers are used to protect electric motors from overload, undervoltage, and short circuits.

This circuit breaker can be used for infrequent switching of lines and infrequent starting of motors under normal conditions.

This circuit breaker can be installed vertically or horizontally.

The RMM1 series plastic shell circuit breaker (hereinafter referred to as the circuit breaker) is mainly used in distribution networks with AC 50Hz (or 60Hz), rated insulation voltage of 690V, rated working voltage of 690V and below, and rated current of 1250A and below as overload, undervoltage, and short circuit protection for distribution lines and power equipment. Circuit breakers with a 400A shell level or below can also be used as overload, undervoltage, and short circuit protection for motors. Under normal circumstances, it can be used for infrequent switching of circuits and infrequent starting of motors. The product complies with the IEC 60947-2 and GB 14048.2 standards.