What is the difference between an XS1M18PA370 and an XS1M18PB370 ?

Issue:
XS1M18PA370 and an  XS1M18PB370 difference

Product Line :
Sensors

Environment :
North American Products

Resolution :
The first is a sensor with a N.O. (normally open ) output ( `` A `` means N.O.). The output will be active when a target is detected. The XS1M18PB370 has a N.C. output.

Released for:Schneider Electric Canada