UL-Class 1 Div 1, need tips for IS 1

Cathey · Feb 24, 2012

Hi,
I am designing a motherboard for a telecommunication device that will be placed next to a crude oil tank,very close to it, sometimes on top, what intrinsic safety precautions can i include in my circuit to prevent an explosion.
They work with low voltages, the highest of which is 24V and low about 3.3V.
Thanks.

dpc · Feb 29, 2012

Not sure where you've looked, but this might be a good starting point:

http://www.omega.com/temperature/z/pdf/z131-148.pdf

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UL-Class 1 Div 1, need tips for IS 1

Cathey

Electrical

dpc

Electrical

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