Zhejiang Weikesen Power Technology Co.,Ltd.
Explosion-proof Pull Cord Switch
Working principle :
When an emergency occurs at the belt transport site, pull the wirerope tied to the lifting lug to make the slider and switch in the machine function and send out a stop signal. Release the wire ropeand press the reset bar before the reset.
Installation and use :
The switch is balanced on the fixing bracket of the frame;
Tie the wire rope to the pull ring at the upper and lower ends of the pull rope switch, and the wire rope on each side shall not exceed 40m
(it shall be shortened to 25 meters when there is a slope);
The rope pressure should be suitable to ensure the reliable reset of the switch;
The pulling rope is arranged in the parallel direction of the tape, and a lifting ring is added every 3 meters;
Technical indicators :
| Item | Parameters |
| Model | Explosion-proof Pull Cord Switch |
| Ambient temperature | -30℃ - +75℃ |
| Relative humidity | ≥85% |
| Angle of action | 30° |
| Limit Angle | 60° |
| Action force | 10 KG |
| Number of contacts | 1NO 1NC / 2NO 2NC |
| Contact Capacity | AC 380V 10A |
| Reliability | ＞10^6 times |
| Reset mode | Manual Reset / Automatic Reset |
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