5 – 5
5.2
Main terminal connections
For main terminal dimensions of individual frame sizes, refer to:
Frame sizes / dimension drawings (page 7-1)
The main terminals and connectors are intended for busbar connection with NEMA hole patterns.
The number and size of the busbars connected to the circuit breaker must be selected per ANSI C.37.20.1 in order to meet the test require-
ments according to ANSI C.37.51 depending on the rated current, defined by the rating plug. Different bussing in a given frame size may be
applicable.
5.2.1
Cradle connections
1) The terminal permits the use of 2“ x ¼“ busbars is possible.
2) The terminal permits the use of 4“ x ¼“ busbars is possible.
5.2.2
Horizontal connections for 4-pole fixed mount breakers
1) The terminal permits the use of 2“ x ¼“ busbars is possible.
5.2.3
Vertical connections for 4-pole fixed mount breakers
1) The terminal permits the use of 2“ x ¼“ busbars is possible.
2) The terminal permits the use of 4“ x ¼“ busbars is possible.
3) The FSII 3200 A and FSIII 4000 A, 5000A require vertical connectors.
Drawout Circuit breaker
Connections to Line/Load side cradle connectors
Frame Size
I
n max
Number of Available Busbar
Mounting Positions
Busbar cross-section
Number of holes
II
800 A / 1600 A
1 - 3
4“ x ¼“
1)
4
2000 A
2 - 4
3200 A
3 - 5
III
4000 A / 5000 A
5 - 7
5“ x ¼“
2)
6
Fixed mount Circuit Breaker
Connection to Line/Load side horizontal terminals
Frame Size
I
n max
Number of Available Busbar
Mounting Positions
Busbar cross-section
Number of holes
II
800 A / 1600 A / 2000 A
1 - 4
4“ x ¼“
1)
2
Fixed mount Circuit Breaker
Connection to Line/Load side terminals with vertical connectors
Frame Size
I
n max
Number of Available Busbar
Mounting Positions
Busbar cross-section
Number of holes
II
800 A / 1600 A / 2000 A
1 - 4
4“ x ¼“
1)
2
II
3200 A
3)
1 - 4
4“ x ¼“
1)
2
III
4000 A / 5000 A
3)
5 - 7
5“ x ¼“
2)
6
Содержание UL 1066
Страница 43: ...6 12 7 Reset reclosing lockout 8 Charge closing spring 9 Switch ON Frame size II Frame size III 9X ...
Страница 56: ...7 5 7 2 Frame size II fused ...
Страница 58: ...7 7 ...
Страница 63: ...7 12 8 27 210 0 8 27 210 0 8 27 210 0 3 75 95 2 ...
Страница 64: ...7 13 ...
Страница 65: ...7 14 7 7 Frame size III fuse carriage ...
Страница 66: ...7 15 ...
Страница 69: ...7 18 7 9 External sensor for neutral conductor WLNCT2 ...
Страница 70: ...7 19 WLNCT3 ...
Страница 85: ...9 5 I tripping Ground fault tripping ...
Страница 231: ...15 12 Pre assembling the locking module Installing 0767 1 2 3 4 6 5 ...
Страница 232: ...15 13 1 Socket head cap screw M5 with washer and nut 7 8 Size 4 5 Nm 45 lb in ...
Страница 271: ...19 10 Function check Then Fit back front panel and side cover on the right if it was removed page 23 4 10 ...
Страница 280: ...21 2 Installing the door sealing frame Not for use with fuse carriages Catalog No Door sealing frame WLDSF 1 2 3 NOTICE ...
Страница 289: ...23 7 23 3 3 Installing arc chutes 1 2 6 5 PH 2 0043 02 3 4 5 6 For frame size III 3 PH 2 ...
Страница 298: ...23 16 6 7 8 9 5 2 1 Size 5 mm ...
Страница 333: ......