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RAAS Stop Buttons 40mm Mushroom Head

Techna Brand: Techna
<p>A range of press to lock stop buttons</p>
  • Twist to release, key to release and pull to release (to latest machine safety directives)
  • Fully sealed to IP65
  • All fitted with red buttons
  • Available in 3 styles
  • Please note that these stop buttons require a control block (see order codes 78-3730 and 78-3732)
Order codeMftrs Part No.
78-3724RM2-BS54Twist to release
78-3726PtecMetMushK40Key to release
78-3728RM2-BT4Pull to release
*Question functionality currently disabled


11 June 2015 Question by: Rapid Customer
Q. What is the diameter of the shaft which inserts through the enclosure? This information isn't included on the datasheet and I need to know before purchasing.
A. Hi Connor, thank you for your question. The shaft size is 21.5mm width and 16mm long.


15 March 2013 Question by: Rapid Customer
Q. IS this switch Double Pole?
A. Hi Richard. Thank you for your question. This is only an actuator - it will accept contact blocks in any combination of NC or NO - it will accept 2 side by side - but more can be added to the back of them.


13 February 2012 Question by: Rapid Customer | Product code: 78-3724
Q. Why do i need a control box, can i use this product without one.
A. Hi Chad, the switch needs to be mounted into box or panel to work properly. Any box will be fine.