Fema DCM Series Assembly And Operating Instructions Manual page 27

Switching Housings
Important Note:
Pressure switches are precision instruments, set and adjusted at the factory. Do not open the
device or reset the varnished adjustment screw. This would alter the switching points and
resetting would be necessary.
k
ABC XXX
ABC XXX-2 ...
k
ABC XXX-3
ABC XXX-5 ...
Ex-ABC
Plug connection housing (200)
(Plug connection to DIN 43 650)
Terminal connection housing (300 or 500)
Ex-housing (700)
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