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automatic roller door openers
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Anti-devices for roll up door motor

  • Item NO.:

    A0003
  • Lead Time:

    20 Days Approximately
  • Product Orgin:

    Zhangzhou City
  • Brand:

    Hualin
  • Shipping Port:

    Xiamen Port
  • Payment:

    FOB,CIF
  • Color:

    Grey
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Description


New Type anti-devices of roller door motor:


1. New type: Acting on the motor shaft worn and chain broken suddenly;

2. Play a double protection, to prevent the role of secondary injury;



Compared with traditional anti-fall device of door motor, the traditional only make useful when the chain broken.




When the door constant rise or fall, the anti-fall device will normal working with roller shutter motor. If the chain broken or motor shaft worn and the door speed up falling out of control, the anti-fall device will start working to stop the door to accelerate falling. Meanwhile, the stop switch will be driven. And then, the motor stops.





Contact Information

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