The shell of XL-21 type low-voltage power distribution box is made of steel plate bending. According to the needs of users, different types of circuit breakers with different current levels can be selected to meet the needs of different users. They can be used as three-phase wires with AC 50HZ, rated voltage 400V, rated current to 630A. In a four or five-wire low-voltage distribution system, used for power and lighting distribution. At the same time, it can be used in the low-voltage control system.
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