Siemens ETU745 - UL 1066 Accessories

WL Circuit Breaker selection and application guide
50
Low Voltage Power Circuit Breaker Cradles
UL 1066 Listed cradle catalog number
Cradle catalog number
G 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Arc chute covers
None X
Arc chute covers (FSII only – Except Group F) A
Arc chute covers (FSIII only – Except Group F and M) B
Door locks and mechanical interlock
1. Mutual mechanical inter with 2.0 meter bowden cable
2. Lock cubicle door, when breaker is in connect position (FSII or FSIII only)
3. Locking device against racking breaker if the cubicle door is open (FSII and FSIII)
1 2 3
None X
X M
X A
B
X C
X X D
X X X E
X F
X X G
X X H
Mechanism operated driven additional breaker auxiliary contacts (MOC)
None X
Mechanism operated contacts – Test and connect position (FSII only) M
Mechanism operated contacts – Connect position (FSII only) N
Mechanism operated contacts – Test and connect position (FSIII only) P
Mechanism operated contacts – Connect position (FSIII only) Q
Cradle heater
None X
Heater installed H
Future use
No options N
UL 1066 Listed accessories
Cradle accessories Catalog Number
3-phase metering CTs, cradle mounted (3 windows per CT)
FSII Ratings – 800:5 WLG8005MCT2
Ratings – 1600:5 WLG16005MCT2
Ratings – 2000:5 WLG20005MCT2
Ratings – 3200:5 WLG32005MCT2
FSIII Ratings – 3200:5 WLG32005MCT3
Ratings – 4000:5 WLG40005MCT3
Ratings – 5000:5 WLG50005MCT3
Locking device against opening the cubicle door if breaker is in connect position WLDRLC1