Siemens ETU745 - Page 56

54 WL Circuit Breaker Selection and Application Guide
WL Power Circuit Breaker Cradles
UL 1066 Listed Cradle Catalog Number
Cradle catalog number
G 2 3 4 5 6 7 8 9 10 11 12 13 14 15 15
Arc chute covers
None X
Arc chute covers (FS2 only – Except Class F) A
Arc chute covers (FS3 only – Except Class F and M) B
Door locks and mechanical interlock
1. Mechanical interlock with 2.0 meter Bowden cable
2. Locks cubicle door, when breaker is in connect position (FS2 and FS3)
3. Locks against racking breaker if the cubicle door is open (FS2 and FS3)
1 2 3
None X
X M
X A
X C
X X D
X X X E
X X G
X X H
Mechanism Operated Contacts (MOC)
Breaker open/close auxiliary switches (4
a & 4 b ) in the following positions:
None X
Test and Connect position (FS2 only) M
Connect position (FS2 onl
y)
N
Test and Connect position (FS3 only) P
Connect position (FS3 onl
y)
Q
Connector and heater options
S
tandard rear connectors
X
Standard rear connectors and a cradle heater H
Ro
tatable rear connectors
(FS2, 2000A and belo
w, N, S, & H Class)
J
Rotatable rear connectors and a cradle heater (FS2, 2000A and below, N, S, & H Class) K
F
uture use
Placeholder (required) N
UL 1066 Listed accessories
Cradle accessories Catalog Number
3-phase metering CTs, cradle mounted (3 windows per CT)
FS2 Ratings – 800:5 WLG8005MCT2
Ratings – 1600:5 WLG16005MCT2
Ratings – 2000:5 WLG20005MCT2
Ratings – 3200:5 WLG32005MCT2
FS3 Ratings – 3200:5 WLG32005MCT3
Ratings – 4000:5 WLG40005MCT3
Ratings – 5000:5 WLG50005MCT3
Courtesy of NationalSwitchgear.com