The switch complies with the requirements of the "Coal Mine Safety Regulations" and has a sound and light display function. When the locomotive is parked in the parking lot, the DC wiring automatically cuts off the power, and a power outage verbal alarm is issued inside the machine. At the same time, the word "no power" is displayed on the switch panel. When the locomotive leaves the parking position, the DC wiring automatically sends power. At this time The language alarm stops and the panel displays the word "power on".
DC voltage
Breaking AC
Audio power
Volume
Weight
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Underground parking lot DC wiring automatic power-off switch