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56
WL Circuit Breaker Selection and Application Guide
WL Breaker
General Wiring Schematic
X8 - 10
X8 9
-
BREAKER
L1
L2
L3
N
LINE
(TOP FED)
LOAD
(BOTTOM FED)
BONDING MUST BE
UPSTREAM OF SENSOR
600V AC
3P, 4W:
WL CIRCUIT
TWISTED PAIR
P1
P2
NS
WL
GF
S1-
S2+
TRIP UNIT
X8-10
X8-9
3P, 4W:
480V AC
- OR -
SEE DETAIL TO
THE RIGHT
X8-10
X8-9
N
NEUTRAL
SENSOR
TWISTED PAIR
P1
P2
BO
T
T
OM FED
SOURCE
T
OP FED
SOURCE
3P, 4W: 480V OR 600V AC
ETU745, ETU748,
ETU776
METERING MODULE
BREAKER STATUS SENSOR (BSS) MODULE
0VDC
CUB-
CUB+
24VDC
C
ubicleBus
A B C N
POTENTIAL TRANSFORMER INPUTS
X8-8,
N
X8-7,
L3
X8-6,
L2
X8-5,
L1
INTERNAL WIRING
INTERNAL WIRING
INTERNAL WIRING
S43
S42 S45
S40 S41 S44
WIRING IS CONTINUOUS IF NO
METERING MODULE IS INSTALLED
WIRING IS CONTINUOUS IF NO
BSS MODULE IS INSTALLED
CUB+
CUB-
24VDC
0VDC
CubicleBus
INTERNAL WIRING
X8-1
X8-2
X8-3
X8-4