GE 339

CHAPTER 2: INSTALLATION ELECTRICAL INSTALLATION
339 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL 2–25
Motor
Three-wire shielded cable
RTD terminals
at motor
Maximum total lead resistance:
25 ohms for Platinum RTDs
Route cable in separate conduit from
current carrying conductors
RTD in motor
stator or
bearing
896739A1.CDR
339 Motor Protection System
Surge ground
~13
~4
~3
~2
~1
Compensation
Return
Hot
Shield
RTD1
~8
~7
~6
~5
Compensation
Return
Hot
Shield
RTD2
~12
~11
~10
~9
Compensation
Return
Hot
Shield
RTD3
N/C
~14