Specifications

44
COMPACT
®
NS circuit breaker
I
d
82 84
SDE
81
12 14
OF1
11
92 94
SD
91
C1
12 14
92 94C1
C2
11
91C2
352 354
CD
351
314 312
CE
311
MX
D1
D1
D4
D4
22 24
OF2
21
21
22 24
MN
72 74
71
84
RD
GN
VT YE VT YE
RD
GN
WH
VT
GY GY
VT
YE YE
(2)
SDV
OR
BL
BL GY GY
(1)
32 34
OF3
31
32 24
31
Z11 e
+
T1
R1
Z12
e
-
T2
R2
WH RD BL
GY
VT
YE
BK GN OR
trip unit (3)
MT
BK (4)
B2 A2 A4 B4
A1 L1
A1
L1
BK GN
GN (4)
A2 B4A4
WH OR
BL
I
d
82 84
SDE
81
12 14
OF1
11
92 94
SD
91
C1
12 14
92 94C1
C2
81
11
91C2
352 354
CD
351
314 312
CE
311
MX
D1
D1
D4
D4
22 24
OF2
21
21
22 24
MN
72 74
71
CAO1
CAF2CAF1
BK
RD
YE
VT
BK RD GY
82 84
RD
GN
VT YE VT YE
RD
GN
WH
VT
GY GY
VT
YE YE
(2)
SDV
OR
BL
BL GY GY
(1)
32 34
OF3
31
32 24
31
Z11 e
+
T1
R1
Z12
e
-
T2
R2
WH RD BL
GY
VT
YE
BK GN OR
trip unit (3)
Auxiliary circuits
Manually-operated circuit breaker
Motor-operated circuit breaker
E28271E28272
All schemes are shown
without the control
voltage present, all
devices open and relays
in the de-energized
position.
Switches CD, CE: on
drawout chassis.
Switches CAO, CAF: on
rotary handle.
Symbols
CAF = early-make switch
CAO = early-break
switch
CE = "connected"
position indication switch
CD = "disconnected"
position indication switch
MN = undervoltage trip
MT = motor operator
MX = shunt trip
OF = position indication
switch
SD = trip indication
switch
SDE = overcurrent trip
switch
SDV = ground-fault
indication switch
COMPACT
®
NS circuit breaker: dimensions, connections and wiring diagrams
Legend
(1) Undervoltage or
shunt trip
(2) For plug-in/drawout
versions SDV and OF2
switches can be installed
together, but only one of
them will be connected
through automatic
secondary disconnecting
blocks
(3) Options are only
installed on trip unit
STR53UP
(4) Wiring supplied,
mandatory to connect
Color code
VT : purple
YE : yellow
RD: red
BK : black
GN: green
GY: grey
WH: white
OR: orange
BL : blue
Wiring diagrams