Siemens ETU745 - Catalog Numbering and Ratings; WL Catalog Numbering Overview

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WL Circuit Breaker selection and application guide
Low Voltage Insulated Case Circuit Breaker
UL 489 Listed catalog number
Rating Plug
Electronic trip unit (ETU)
Protective
Trip unit function LCD display Ground fault
models L S I Alpha num. Alarm Trip
ETU745 X (X) (X) C
ETU745 X (X) (X) X D
ETU745 X (X) (X) X E
ETU745 X (X) (X) X X F
ETU745 X (X) (X) X X G
ETU745 X (X) (X) X X X H
ETU748 X X J
ETU748 X X X K
ETU748 X X X L
ETU748 X X X X N
ETU748 X X X X P
ETU748 X X X X X Q
ETU776 X (X) (X) V
ETU776 X (X) (X) X W
ETU776 X (X) (X) X X Y
( ) Indicates function can be disabled by user
Breaker catalog number
A
B
C
D
E
F
G
H
J
K
L
M
N
P
Q
R
T
U
V
W
Y
Z
1
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
1
Maximum
For use with
continuous
frame size
current rating I II III
200 X X
225 X X
250 X X
300 X X
315 X X
350 X X
400 X X
450 X X
500 X X
600 X X
630 X X
700 X X
800 X X X
1000 X X X
1200 X X X
1250 X X X
1600 X X X
2000 X X X
2500 X X
3000 X X
3200 X X
4000 X
5000 X