GE 239 Instruction Manual page 8

1 OVERVIEW
1
3 PHASE
4160V BUS
FUSED
CONTACTOR
3
PHASE
CTs
GROUND
CT
MOTOR
1-2
Courtesy of NationalSwitchgear.com
400A
52
UNDERCURRENT
37
TRIP
46
UNBALANCE
LOCKED ROTOR
48
50 SHORT CIRCUIT
51 TIMED OVERLOAD
50G
THERMISTOR/
STATOR RTD
STATOR OVER
49
BEARING
TEMPERATURE
RTDs
38 BEARING OVER
TEMPERATURE
LOAD
Figure 1–1: CONTINUOUS PROTECTION FEATURES
239 Motor Protection Relay
239 RELAY
RELAY
ALARM
RELAY
AUXILIARY
INSTANTANEOUS
RELAY
GROUND FAULT
SERVICE
RELAY
1 OVERVIEW
86
TRIP
74
FAULT/
PROCESS
ALARM
FAULT/
ALARM/
PROCESS
CONTROL
SERVICE
ALARM
RS485
RS485 REMOTE
COMMUNICATION
819763AF.CDR
GE Multilin