This residual current operated circuit breaker with integrated overcurrent protection is a high-quality residual current circuit breaker and miniature circuit breaker combination with line voltage-independent tripping and a wide variety of rated tripping currents.
The FRBm4 in 3+N-pole configuration is available as AC and A type. Both types are impulse current resistant up to 250 A. These combined RCD/MCB switches are available with rated currents from 20 to 32 A and in tripping characteristic B, C or D. Their switching capacity is 4.5 kA.
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