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Manual Emergency Shutdown

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Gandolf

Gandolf

Electrical
Joined
Nov 22, 2002
Messages
2
Location
CA
A project that i am currently working on has a Manual ESD on Gas burning heater. So there is a Sil rating (which I am not sure at the moment). My supervisor is recommending a e-stop in the field near the heater and a Selector switch in the control room. I question the use of the selector switch as a ESD device. My back ground is in manufacturing and I would of put a E-stop in the control room. So my supervisor is looking for the differences in the two devices. I said that the selector switch is not a safety rated device and the E-stop is mechanically linked device which is more reliable and it is safety rated. So what i am looking for is information to show the difference and if a selector switch can be used in a manual ESD.

Thanks for the help
 
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Look into TUV rating of shutdown devices. I think that you can find selector switches suitable for use as a shutdown device.
 
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