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OM-1078 Page 14
3-9. Contact Closure Connections
A. 14-Pin Plug Information For Standard Contact Closure Connections
Pin* Pin Information
AJ
B
K
I
A Contact output signal.
C
L
NH
D
M
G
E
F
B Input control to energize weld contactor. Contact closure to A completes 24 volts ac contactor
control circuit.
*The remaining pins are not used.
B. Optional Contact Closure Connections For Welding Power Sources Requiring 115 Volts AC
For Contactor Operation
Ref. 150 803-B
1 Contact Closure
Interconnecting Cord
2 14-Pin Plug PLG5
Cut plug off.
3 Twistlock Receptacle (Part
No. 039 635 Or Hubbell Plug
#7101 Or Equivalent)
Install customer-supplied
receptacle onto cord. Polarity is not
important.
4 Terminal Strip 1T
5 Terminal F
Disconnect white lead from
terminal G, and reconnect to
terminal F.
6 Jumper Link
Install jumper link between
terminals G and H.
Connect twistlock receptacle to
contactor control plug on welding
power source.
Reinstall wrapper.
Tools Needed:
1/4 in
1 2
3
Rear
4
5
6
4