30
WL Circuit Breaker Selection and Application Guide
WL Insulated Case Circuit Breaker
UL 489 Listed Catalog Number
Rating Plug
Electronic trip unit (ETU)
1)
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
(X) Indicates function can be disabled by user
1 Neutral protection “N” is available as standard.
Breaker catalog number
A
B
C
D
E
F
G
H
J
K
L
M
N
P
Q
R
T
U
V
W
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
1
2
3
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
4000
X
5000
X