Brochure
PowerPact H-, J-, and L-Frame Circuit Breakers
Wiring Diagrams
160
02/2016 © 2011–2016 Schneider Electric
All Rights Reserved
Indication Contacts Carriage Switches
The diagram is shown with circuits de-energized, relays in normal position, and all devices open, connected, and charged.
Terminal connections shown as
Ƒ
and O must be connected by the customer.
Micrologic Trip Unit A or E Remote Operation
A/E
Communication
H (WH), L(BL): data
-(BK), +(RD): 24 Vdc power supply
MN
or
MX
Undervoltage Release
Shunt Release
A/E
ZSI (Zone Selective Interlocking)
Motor Operator
Z1: ZSI OUT SOURCE
Z2: ZSI OUT
Z3: ZSI IN SOURCE
Z4: ZSI IN ST (short time)
Z5: ZSI IN GF (ground fault)
(Z3, Z4, and Z5 for L-frame circuit breaker only)
A4
A2
B4, A1
L1
B2
BPO
BP
Opening Order
Closing Order
Power Supply to Motor Operator
Manual Position (manu)
Overcurrent Trip Switch Interlocking (mandatory for correct operation)
Opening Pushbutton
Closing Pushbutton
A/E
ENCT: External Neutral Current Transformer:
-Shielded cable with 1 twisted pair (T1, T2)
-Shielding earthed at CT end only
Connection L = 12 in. (30 cm) max.
-Maximum length of 33 ft. (10 m)
-Cable size of 22 AWG
-Recommended cable: Belden 9451SB or equivalent
Communicating Motor Operator
B4, A1
BSCM
Motor Operator Power Supply
Breaker Status and Control Module
Indication Contacts
E
ENVT: External Neutral Voltage Tap for Connection
to the Neutral using a Three-Pole Circuit Breaker
OF2/OF1
OF3
SDE
SD
CAF2/CAF1
CAO1
Device ON/OFF Auxiliary Switches
Device ON/OFF Auxiliary Switches (L-Frame)
Overcurrent Trip Switch
(short-circuit, overload, ground fault, earth leakage)
Alarm Switch
Early-Make Contact (rotary handle only)
Early-Break Contact (rotary handle only)
Color Code for Auxiliary Wiring
RD: Red
WH: White
YE: Yellow
BK: Black
GN: Green
VI: Violet
GY: Gray
OR: Orange
BL: Blue
Plug-In and Drawout Circuit Breakers
(continued)
OF3
31
32
34
21
OF2
Open
22
24
OF1
11
Closed
12
14
81
SDE
Fault
82
84
91
SD
Fault
92
94
121
CAF2
131
CAF1
Closed
RD
WH
134
124
101
CAO1
Open
YE
VT
102
104
RD
WH
GY
YE
VT
GN
RD
GN
RD
YE
VT
YE
VT
GY
GY
GY
BK
BK
31
21
11
81
91
32
34
22
24
12
14
82
84
92
94
VT
VT
GY
GY
314
312
352
354
CE CD
Connected Disconnected
YE
YE
311
351