YDSM1L Molded Case Circuit Breaker hereinafter referred to as circuit breakers, rated insulation voltage is 690V, suitable for AC 50Hz, rated working voltage 400V, rated operating current of 800A circuits do not frequent and infrequent start motor conversion purposes. Breaker with overload, short circuit and under voltage protection, to protect the circuit and power supply equipment from damage, but also can not be detected on overcurrent protection out of the ground fault fire hazard exists may cause long-term protection.
● Closed circuit breaker has small size, high breaking capacity, short arcing, anti-vibration, etc.;
● circuit breaker can be installed vertically (ie, vertical loading), can be installed horizontally (ie, transverse);
● circuit breaker with isolation, its corresponding symbol;
● circuit breaker in line with standard: good: IEC 60947-2, GB14048 2-2001..
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