Siemens WL Series - Rating Plug; Electronic Trip Units (ETU)

WL Circuit Breaker selection and application guide
Low Voltage Power Circuit Breaker
UL 1066 Listed catalog number
Breaker catalog number
Maximum continuous Frame size Frame size
current rating (A) II III
200 X A
225 X B
250 X C
300 X D
315 X E
350 X F
400 X G
450 X H
500 X J
600 X K
630 X L
700 X M
800 X X N
1000 X X P
1200 X X Q
1250 X X R
1600 X X T
2000 X X U
2500 X X V
3000 X X W
3200 X X Y
4000 X Z
5000 X 1
Rating plug
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Electronic trip units (ETU)
Trip unit Protective function LCD display Ground fault module
type 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 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
( ) Function can be disabled by user.
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