Installation and Maintenance
Part Number: E2K-402-0313, Rev. A
Mar 2013
19
Section 7: M2CP Wiring Diagram Symbols
M2CP Wiring Diagram Symbols
REVERSING CONTACTOR
Showing Open and Close coils,
Mechanical Interlock, and Electrical
Interlock Contacts O (21, 22) & C (21, 22)
NUISANCE TRIP
To prevent (TSO) contact tripping when
valve has been jammed closed - LSC
contact allows valve to open slightly.
Contact then open, ensuring torque
protection for remaining travel
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