52 3 SERIES RETROFIT – INSTRUCTION MANUAL
350 WIRING CHAPTER 4: ELECTRICAL INSTALLATION
4.1 350 Wiring
Note
Refer to the 350 Feeder Protection System Instruction Manual for Arc Flash units.
Table 4–1: 350 Terminal Blocks, non-drawout
Power Supply + B1 INPUT 1 C1 IRIG-B + D5 PHASE A CT E5 PHASE A CT
Power Supply - B2 INPUT 2 C2 IRIG-B - D6 PHASE B CT E6 PHASE B CT
Chssis GND B3 INPUT 3 C3 RS485 + D7 PHASE C CT E7 PHASE C CT
A1 TRIP N/O B4 INPUT 4 C4 RS485 - D8 GND CT E8 GND CT
A2 TRIP COM B5 INPUT 5 C5 RS485 COM D9 PHASE A VT E9 PHASE A VT
A3 TRIP OPTV B6 INPUT 6 C6 CHASSIS GND D10 PHASE B VT E10 PHASE B VT
A4 CLOSE N/O B7 INPUT 7 C7 RESERVED D11 PHASE C VT E11 PHASE C VT
A5 CLOSE COM B8 INPUT 8 C8 RESERVED D12 AUX VT E12 AUX VT
A6 CLOSE OPTV B9 INPUT 9
A7 AUX 3 N/C B10 INPUT 10
A8 AUX 3 COM B11 INPUT COM
A9 AUX 3 N/O B12 CHASSIS GND
A10 AUX 4 N/C
A11 AUX 4 COM
A12 AUX 4 N/O
A13 AUX 5 N/C
A14 AUX 5 COM
A15 AUX 5 N/O
A16 AUX 6 N/C
A17 AUX 6 COM
A18 AUX 6 N/O
A19 CRIT FAIL N/C
A20 CRIT FAIL COM
A21 CRIT FAIL N/O
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