GE EntelliGuard G Application Manual page 40

Section 4. Accessories
Table 4.20
Secondary Disconnect Block A Wiring Diagram and Terminals
3 Layer Secondary Disconnect with Basic GTU & Basic Accessories
A1 A2 A3
Spr
A1
Motor Motor NO/RTC
NO
A14 NC3 NC3 NC2
A27 O/P1a O/P1b O/P2a
A27 A28 A29
Table 4.21
Secondary Disconnect Block B Wiring Diagram and Terminals
3 Layer Secondary Disconnect to be Added for GTU with Full I/O and Additional Accessory Signals
B1 B2 B3
B1 GND Volt-A Volt-B
TX_EN_
B14
Iso GND RX
1
B27
GFZout+ GFZout- GFZin+ GFZin-
B27 B28 B29
Key
24V +/- Auxiliary Power supply to trip unit
Arc Flash Arc flash signal input
BA Bell alarm switch contact common terminal
BA NC Bell alarm switch NC contact terminal
BA NO Bell alarm switch NO contact terminal
CC Power input to closing coil
CC NO/Com Closing coil signaling contacts
CC Nu Closing coil neutral wire
CC Ph Closing coil phase wire
Com Trip unit communication
Eleg-CT Earth leg CT
GFZin+/- GF zone selective interlock input
GFZout+/- GF zone selective interlock output
GND Ground point for voltage input to Trip Unit
Input1/2/Com Relay input to Trip unit
Iso GND Trip unit communication
Motor Power input to motor
38
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A4 A5 A6 A7
Spr
NO/RTC ST2/UV2 ST2/UV2 ST1
NO
NC2 NC1 NC1 NO3
O/P2b 24V+ 24V- BA NC
A30 A31 A32 A33
B4 B5 B6 B7
Volt-C INPUT1 INPUT2 I/P com NC6
Arc
TX Com
Flash
ST1
ST1 NO
Com
B30 B31 B32 B33
A8 A9 A10 A11
ST1 CC Nu CC Ph CC Ph
NO3 NO2 NO2 NO1
BA NO BA COM N-RC- N-RC+
A34 A35 A36 A37
B8 B9 B10 B11
NC6 NC5 NC5
NO6 NO6 NO5 NO5
CC NO CC Com UV NO UV Com ST2 NO
B34 B35 B36 B37
NC Auxiliary switch - normally closed contact
N-CT Neutral CT
NO Auxiliary switch - normally open contact
N-RC Neutral Rogowski
O/P Relay output from trip unit
RTC NO Ready to close signaling contacts
RX Trip unit communication
Spr NO Spring charge status contacts
ST1 Power input to shunt trip coil
ST1 NO/Com Shunt1 coil signaling contacts
ST2 NO/Com Shunt2/UV2 coil signaling contacts
ST2/UV2 Power input to second shunt trip coil/ under
voltage coil
TX Trip unit communication
TX_EN_1 Trip unit communication
UV NO/Com UV1 coil signaling contacts
UV1 Power input to under voltage coil
Volt-A/B/C System phase voltage signals
A12 A13
A13
UV1 UV1
NO1 A26
Eleg-CT Eleg-CT A39
A38 A39
B12 B13
NC4 NC4 B13
B26
NO4 NO4
ST2
B39
Com
B38 B39