GE 339

2–32 339 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL
ELECTRICAL INSTALLATION CHAPTER 2: INSTALLATION
Figure 2-35: Trip and Close Coil circuits with voltage monitoring
When SWITCHING DEVICE is selected as CONTACTOR
Output Relays:
•Not Used:
– Output Relay 1
– Output Relay 2
• For special purpose:
– Output Relay 3 (self-reset): Start Inhibit
– Output Relay 4 (fail-safe, non-fail-safe): Trip
– Output Relay 7 (fail-safe, self-reset): Critical Failure
• For general purpose:
– Output Relays 5 to 6: Can be programmed as fail-safe or non-failsafe, as well as
self-reset or latched.
V
A2
B3
A3
Trip
Coil
DC +
DC -
Output Relay 1 (TRIP)
52a
contact
External
jumper
896731.cdr
V
B4
A4
B5
Close
Coil
DC +
DC -
Output Relay 2 (CLOSE)
52b
contact
External
jumper