Multiple Safety Protection Limit Switch, avoiding accident of injury and death in your factory.
1. Overload limit switch: 90% of rated capacity, alarm; 105-110%, cut off power and stop.
2. Lift height limit switch: reach up to set height, stop work.
3. Long traveling limit switch: reach to the end of rail, the crane will slowly stop, never rush out of rail.
4. Emergency stop button at controller.
5. Others electrical protection device.
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