Install miniature circuit breaker in wide - width anti - theft metering box

For single-phase single-phase metering box with single meter position, the isolation switch should be installed before the meter, and the mini-circuit breaker should be installed after the meter.

1. For single-meter three-phase metering box, plastic case circuit breakers are installed before and after the meter;

2, single corresponding bipolar circuit breaker, breaking current is not less than 6kA;

3, molded case circuit breaker USES three-pole molded case circuit breaker, breaking capacity is not less than 25kA;

4. The circuit breaker shall meet the standard requirements of GB10963.1, the disconnecting switch shall meet the standard requirements of GB/T 14048.3, and the molded case circuit breaker shall meet the standard requirements of GB/T14048.2.

When the wide-width anti-theft metering box is installed for the electricity meter, the wiring rules and the reserved line length connected to the electricity meter are effectively controlled, especially the mounting bracket of the electricity meter and the termination line of the reserved line are set.