Enerpac PSCK3, Instruction Sheet, Page: 5 / 44

5
CHART FOR DIAGRAM #1, PAGE 4
Function of Wire/Pin PIN # on Pressure Switch PIN # on AMP Connector Wire Color
L + (DC Power) 1 1 Brown
L - (DC Power) 3 3 Blue
N.O. Contact 4 4 Black
Not Used 2 Not Used Black (Pins 2 & 4 are
connected in pressure switch)
Wiring information on DC Digital Pressure Switches (wired for normally open operation).
CHART FOR DIAGRAM #2, PAGE 4
Function of Wire/Pin PIN # on Pressure Switch PIN # on AMP Connector Wire Color
L + (DC Power) 3 3 Blue
L - (DC Power) 1 1 Brown
N.C. Contact 4 4 Black
Not Used 2 Not Used Black (Pins 2 & 4 are
connected in pressure switch)
Wiring information on DC Digital Pressure Switches (wired for normally closed operation).
CHART FOR DIAGRAM #3, PAGE 6
Function of Wire/Pin PIN # on Pressure Switch PIN # on AMP Connector Wire Color
L1 (AC Power) 1 4 Black
L2 (AC Power) 2 3 Blue
Ground 3 Not used. Amp connection Yellow
is used on pump only. Pump
provides chassis ground.
N.O. Contact 4 2 White
N.O. Contact 5 1 Brown
Wiring information on AC Digital Pressure Switches