WL Circuit Breaker selection and application guide
36
Low Voltage Insulated Case Breaker Cradle
UL 489 Listed catalog number
Cradle catalog number
G 1 2 3 4 5 6 7 8 9 10 11 12 13 14
Arc chute covers
None X
Arch chute covers (FSI only) C
Arch chute covers (FSII only) D
Arch chute covers (FSIII only – except Group C) B
Door locks and mechanical interlocks
1. Mutual mechanical interlock with 2.0 meter bowden cable
2. Locks cubicle door, when breaker is in connect position (FSII or FSIII only)
3. Locks cubicle door, when breaker is in connect position (FSI only)
4. Locks against racking breaker if the cubicle door is open (FSII and FSIII)
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)
None X
Mechanism operated contacts for Test and Connect position (FSI and FSII only) M
Mechanism operated contacts for Connect position (FSI and FSII only) N
Mechanism operated contacts for Test and Connect position (FSIII only) P
Mechanism operated contacts for Connect position (FSIII only) Q
Miscellaneous options
None X
Cradle heater (FSII and FSIII only) H
T-connector (FSII 2000A or below) J
Cradle heater and T-Connector (FSII 2000A or below) K
Future use
No options N