Shanghai Nanhua-Lanling Electrical Co., Ltd.

1. The shell of live indicator adopts plastic shell and is installed on the instrument panel of switch cabinet.

2. The appearance is simple and easy to operate. The installation mode adopts plug-in structure. The maintenance and replacement are simple and fast without power failure.

3. When the voltage of any phase of a, B and C reaches 40% of the rated voltage, the corresponding indicator light will flash; when the voltage of any phase of a, B and C reaches 40% of the rated voltage, the locking red light will be on, the relay output contact will be disconnected, and the electromagnetic lock will lose power to lock. The function is reliable, the continuous working life is more than 200000 hours, and the forced locking action life is more than 10000 times.