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21-02-2007, 08:21 AM #1
Oil Pressure Differential Switches
The OSP1 Copleland oil pressure switch has a normally closed relay contact which opens if the oil pressure falls too low for too long. This switch does not have a fault signal terminal.
I believe that there is a version of this switch which has a fault signalling terminal. Does anyone have knowledge of this: a connection diagram: a web site?