1. DZ20Y series circuit breaker used in rated current to 630A, rated isolating voltage 500V, rated working voltage AC 50Hz 380V and below or DC220V and below.
2. it can be used for unfrequent switch over of circuits and unfrequented start of motor under normal circumstance.
3. Circuit breakers can be used for distribution in the network, used for product the circuits and powder supply equipment against overload, short-circuit and under voltage, as well as protect the motor against overload, short-circuit and under voltage in the distribution system.
4. It confirms to JB/DQ4284-74 standard.
Normal working conditions:
a. Temperature of ambient air: -5 to +40 degrees,average temperature not exceeds 35 degrees within 24h.
b. Elevation to install should not exceed 2000m.