Siemens ETU745 - Ratings for UL489 Listed Non-automatic Switches

28
WL Circuit Breaker selection and application guide
Undervoltage Release (with or without time delay) or 2nd Shunt Trip
Operation
voltage UVR UVR UVR status
1
2nd
AC DC without delay with delay contact (1NO) shunt trip
None X
24 X A
48 X B
120 125 X C
240 250 X D
48 X E
120 125 X F
240 250 X G
24 X H
48 X J
120 125 X K
240 250 X L
24 X X M
48 X X N
120 125 X X P
240 250 X X Q
48 X X R
120 250 X X S
240 250 X X T
Low Voltage Insulated Case Circuit Breaker
UL 489 Listed catalog number
Breaker catalog number
Charging motor
operation voltage Motor cut-off Operations
AC DC
switch counter
None X
24 A
48 B
120 125 C
240 250 D
24 X E
48 X F
120 125 X G
240 250 X H
24 X J
48 X K
120 125 X L
240 250 X M
24 X X N
48 X X P
120 125 X X Q
240 250 X X R
1
Status contact is only available when Communications is not installed on breaker. Signal is sent via
communications in lieu of status contact.
Charging motor, motor switch, operations counter
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