Siemens WL Series Selection And Application Guidelines

WL Circuit Breaker selection and application guide
51
Low Voltage Breaker
General wiring schematic
X8 - 10
X8 9-
ETU745, ETU748,
ETU755, ETU776
METERING MODULE
BREAKER STATUS SENSOR (BSS) MODULE
X8-10
X8-9
BREAKER
A
B
C
N
LINE LOAD
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 -
N
NEUTRAL
SENSOR
TWISTED PAIR
P1
P2
BOTTOM FED
SOURCE
TOP FED
SOURCE
3P, 4W: 480V OR 600V AC
SEE DETAIL BELOW
0VDC
CUB-
CUB+
24VDC
CubicleBus
ABCN
POTENTIAL TRANSFORMER INPUTS
X8-8 X8-7 X8-6 X8-5
INTERNAL WIRING
INTERNAL WIRING
INTERNAL WIRING
S43S42 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

Siemens WL Series Specifications

General

Brand	Siemens
Model	WL Series
Category	Circuit breakers
Language	English