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WL Circuit Breaker Selection and Application Guide
WL Insulated Case Breaker Cradle
UL 489 Listed Catalog Number
Cradle catalog number
G 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Arc chute covers
None
X
Arc chute cover s
(FS1 only)
C
Arc chute covers
(FS2 only)
D
Arc chute covers
(FS3 only – except Class C)
B
Door locks and mechanical interlocks
1. Mechanical interlock with 2.0 meter Bowden cable
2.
Locks cubicle door, when breaker is in connect position
(FS2 and FS3)
3. Locks cubicle door, when breaker is in connect position
(FS1 only)
4. Locks against racking breaker if the cubicle door is open
(FS2 and FS3)
1
2
3
4
None
X
X
M
X
A
X
B
X
C
X
X
D
X
X
X
E
X
X
F
X
X
G
X
X
H
Mechanism Operated Contacts (MOC)
Breaker open/close auxiliary switches (4a & 4b) in the following positions:
None
X
Test and Connect position
(FS1 and FS2 only)
M
Connect position
(FS1 and FS2 only)
N
Test and Connect position
(FS3 only)
P
Connect
position
(FS3
only)
Q
Connector and heater options
Standard rear connectors
X
Standard rear connectors and a cradle heater
(FS2 and FS3)
H
Rotatable rear connector
(FSI and FS2 2000A and below, S Class)
J
Rotatable rear connectors and a cradle heater
(FS2 2000A and below, S Class)
K
Future
use
Placeholder (required)
N