CHAPTER 2: INSTALLATION
CT ROW
239 MOTOR PROTECTION RELAY – INSTRUCTION MANUAL
Courtesy of NationalSwitchgear.com
Table 2–2: External Connections
SIGNAL LOWER ROW
34
Service NC
V1 polarizing
35
(Mod 509 only)
SIGNAL UPPER ROW
57
RTD3 ret
Vcom polarizing
58
(Mod 509 only)
2–17