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Type of residual current B+

Type B+ residual current circuit-breakers are AC-DC sensitive. They protect against pulsating and AC residual currents, residual currents with mixed frequencies and smooth DC residual currents. They...

Type of residual current B+

Type B+ residual current circuit-breakers are AC-DC sensitive. They protect against pulsating and AC residual currents, residual currents with mixed frequencies and smooth DC residual currents. They...

Is a two- or four-pole residual current circuit-breaker required?

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Technical informations

Type B+ residual current circuit-breakers are AC-DC sensitive. They protect against pulsating and AC residual currents, residual currents with mixed frequencies and smooth DC residual currents. They seamlessly detect residual currents in all frequencies up to 20 kHz with a maximum tripping threshold of 420 mA. The switches therefore provide better fire protection.