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The Emergency Knock-off button uses a resettable Perspex screen to enable the customer to press multiple times without having to replace the button. When the Perspex screen has been pressed inwards an activation indicator drops into view at the top of the window after the ‘Reset’ has been operated. The unit is then simply reset with a key and is ready for re-use straight away. 




  • EN54-11 approved (Cert No. 653a/01)
  • IP67 Waterproof and addressable models available
  • Glass appearance maintains operator deterrence
  • Positive activation that mimics the feel of breaking glass
  • Visible warning flag confirms activation
  • Simple key to reset operating element – no broken glass
  • No glass elements to break, lose or incorrectly fit during installation
  •  Complete functional test with every activation
  • Extremely attractive, high value look and feel
  • Low profile, heavy-duty terminations – Two built-in resistor values
  •  Available in five colours


Break Glass Emergency Stop Button

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