Shunt Trip; Undervoltage Release - Siemens ETU745 Application Manual

WL Insulated Case Switch
UL 489 Listed Non-automatic Catalog Number

Shunt trip

Operation voltage
Status
AC DC contact
24
48
120 125
240 250
24 X
48 X
120 125 X
240 250 X
24
48
120 125
240 250
24 X
48 X
120 125 X
240 250 X
Undervoltage release (with or without time delay) or 2nd shunt trip
Operation
voltage UVR
AC DC without delay
24 X
48 X
120 125 X
240 250 X
48
120 125
240 250
24
48
120 125
240 250
24 X
48 X
120 125 X
240 250 X
48
120 250
240 250
1
Status contact is only available when communication is not installed. Signal is sent via communications in lieu of status contact.
WL Circuit Breaker Selection and Application Guide
Courtesy of NationalSwitchgear.com
Shunt Continuous duty rated
1
trip (electrical interlock)
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
1
UVR UVR status
with delay contact (1NO)
X
X
X
X
X
X
X
X X
X X
X X
Switch catalog number
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
None
2nd shunt
trip
None
X
X
X
X
X
A
B
C
D
E
F
G
H
J
K
L
M
N
P
R
S
X
A
B
C
D
E
F
G
H
J
K
L
M
N
P
Q
R
S
T
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