53
WL Circuit Breaker Selection and Application Guide
WL Power Circuit Breaker Cradles
UL 1066 Listed Cradle Catalog Number
Type of secondary terminal connection
1
For Breakers:
Screw clamp terminals
P
Spring clamp terminals
T
Ring terminals
R
Screw clamp terminals (low profile, non-partable design)
K
For Switch (Non-automatic):
Screw clamp terminals
D
Spring clamp terminals
E
Ring terminals
F
Screw clamp terminals, non-partable design)
M
Truck Operated Contacts (TOC)
Breaker position switches in the following configurations:
None
X
(1) Connected, (1) Test, (1) Disconnected - all Form C
1
(3) Connected, (2) Test, (1) Disconnected - all Form C
3
(6) Connected - all Form C
6
Cradle mounted key locks
2
None
X
Lock breaker in OPEN position (Kirk key)
A
Lock breaker in OPEN position (Superior key)
B
Double lock breaker in OPEN position (Kirk key)
C
Double lock breaker in OPEN position (Superior key)
D
Provision only - Lock breaker in OPEN position
E
Provision only - Double lock breaker in OPEN position
F
Primary conductor isolation shutter
None
X
Isolation
Shutters
F
Cradle catalog number
G 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Class
Interrupt rating (kA)
Frame
Frame size
240VAC
Max ampere
480VAC
600VAC
rating (A)
2
3
N
50
50
800
X
N 2 3 0 8
N
50
50
1600
X
N 2 3 1 6
S
65
65
800
X
S 2 3 0 8
S
65
65
1600
X
S 2 3 1 6
S
65
65
2000
X
S 2 3 2 0
S
65
65
3200
X
S 2 3 3 2
H
85
65
800
X
H 2 3 0 8
H
85
65
1600
X
H 2 3 1 6
H
85
65
2000
X
H 2 3 2 0
H
85
65
3200
X
H 2 3 3 2
H
85
85
4000
X
H 3 3 4 0
H
85
85
5000
X
H 3 3 5 0
L
100
85
800
X
L 2 3 0 8
L
100
85
1600
X
L 2 3 1 6
L
100
85
2000
X
L 2 3 2 0
L
100
85
3200
X
L 2 3 3 2
L
100
85
4000
X
L 3 3 4 0
L
100
85
5000
X
L 3 3 5 0
M
150
85
3200
X
M 3 3 3 2
M
150
85
4000
X
M 3 3 4 0
M
150
85
5000
X
M 3 3 5 0
F
200
200
800
X
F 2 3 0 8
F
200
200
1600
X
F 2 3 1 6
F
200
200
2000
X
F 2 3 2 0
F
200
200
3200
X
F 2 3 3 2
F
200
200
4000
X
F 3 3 4 0
F
200
200
5000
X
F 3 3 5 0
Interrupting rating, frame size and frame rating
1
T
erminal blocks (X5, X6, X8, X9) are installed as standard.
2
Fused Frame Size 3 circuit breakers include a two cylinder provision as standard, with the second position pre-populated with a key-interlock to prevent racking
(in or out) of the separately-mounted fuse carriage while the associated fused circuit breaker is closed.