The rated insulation voltage of the three-phase three-wire automatic reclosing circuit breaker is 800V, which is suitable for distribution networks with AC 60Hz, rated voltage 400V and below, and rated current up to 1000A. Under normal circumstances, the circuit breaker can be used for infrequent line switching and infrequent motor starting respectively.

The product complies with the following standards:

IEC60947-2 (GB/T14048.2);

ASTM B633 II.

Working environment

2.1 The storage and transportation temperature range is -10℃ to 85℃, the operating range is -10℃ to 75℃, and the reference temperature is 55℃.

2.2 Atmospheric conditions: the maximum temperature is 40℃, and the maximum relative humidity is 95%.

2.3 The external magnetic field of the installation site shall not exceed 5 times the earth’s magnetic field in any direction. Avoid large electromagnetic interference (such as high-power motors or inverters) near the product as much as possible, no explosive or corrosive gases, no rain or snow invasion, dry and ventilated.

2.4 Pollution level: Level 3; Installation category: III.