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5 – 8
5.1.3.3 Draw-out circuit breaker
Without arc chute cover
A
Minimum vertical clearance
B
Minimum clearance on either side
C
Minimum horizontal rear-side clearance
1) Measured from top surface of arc chutes
2) Valid with unblocked arcing space on top only
3) Class C with phase barriers made of insulating material only
u
Minimum clearance to live parts
v
Minimum clearance to grounded metal parts
c
Minimum clearance to non-conductive parts
With arc chute cover
Arc chute covers for draw-out cradles are options for every frame size. The gases are directed to the side outlets of the cradle.
Openings to the outside provided on the sides of the cradle shall not be blocked. Ventilation openings on the upper rear ensure that
no gas can escape upwards.
FS
Class
3)
Dimensions
(mm)
A
1)
B
C
u
v, c
u
2)
v, c
u
2)
v, c
Operating voltage
(V)
480
600
480
600
480
600
480
600
480
600
480
600
I
S, H, L
Consult Technical Support
II
S
150
300
100
100
20
50
10
10
14
14
10
10
II
L
250
600
100
100
50
100
10
10
14
30
10
10
III
L
250
500
100
100
50
100
10
10
14
14
10
10
Содержание UL 489
Страница 36: ...5 21 Frame size II 3000 A Frame size III 1 Holes 14 mm 0720 1 0721_nu ...
Страница 63: ...7 2 Horizontal connectors 0733_nu top view ...
Страница 64: ...7 3 Rear vertical connectors 0734_nu top view rear view ...
Страница 65: ...7 4 Front connectors 0736_nu front view top view ...
Страница 66: ...7 5 Front connectors and pressure wire terminals 0737_nu top view front view ...
Страница 67: ...7 6 7 2 Frame size II fixed mounted version 0494 3_nu ...
Страница 68: ...7 7 Class C always 0494 5_nu top view rear view ...
Страница 69: ...7 8 2500 0738_nu LH side view front view ...
Страница 71: ...7 10 7 4 Frame size III fixed mounted version 0495 1_nu LH side view ...
Страница 72: ...7 11 0495 2_nu top view top view ...
Страница 73: ...7 12 0495 3_nu top view rear view ...
Страница 75: ...7 14 7 5 Door cut outs fixed mounted circuit breaker Frame size I 0735_nu ...
Страница 76: ...7 15 Frame size II III 0496_nu ...
Страница 77: ...7 16 7 6 Frame size I draw out version 0745_nu ...
Страница 78: ...7 17 0746_nu rear view top view ...
Страница 79: ...7 18 0747_nu bottom view ...
Страница 80: ...7 19 0748_nu ...
Страница 81: ...7 20 0749_nu ...
Страница 82: ...7 21 7 7 Frame size II draw out version 0490 1_ul ...
Страница 86: ...7 25 7 8 Frame size III draw out version ...
Страница 87: ...7 26 ...
Страница 88: ...7 27 ...
Страница 89: ...7 28 7 9 Door cut outs for draw out circuit breakers Frame size I 0750_nu ...
Страница 91: ...7 30 7 11 External sensor for neutral conductor WLNCT2 ...
Страница 92: ...7 31 WLNCT3 ...
Страница 107: ...9 5 I tripping Ground fault tripping ...
Страница 256: ...15 12 Installing FS II and FS III 1 Socket head cap screw M5 with washer and nut 1 2 3 4 6 5 7 8 Size 4 5 Nm 45 lb in ...
Страница 307: ...22 2 Installing the door sealing frame Not for use with fuse carriages Catalog No Door sealing frame WLDSF 1 2 3 ...
Страница 351: ......