Siemens 3KA50 Broschüre - Seite 32

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Siemens 3KA50 Broschüre
Fuses and Fuse Systems
Introduction
For switch disconnectors
Type
Type
For SENTRIC 3KL5, 3KL6 and 3KM5 switch disconnectors with fuses
3KL50
3KM50
3KL52
3KM52
3KL55
3KM55
7
3KL55
3KM55
3KL57
3KM57
3KL61,
3KM57
3KL62
3KL61,
3KL62
3KL61,
3KL62
1) If a cyclic load is applied, it may be necessary to further reduce the cur-
rents (please inquire about precise values).
■
Further information
Further combinations are available on request!
For further information on fuses, see Catalog
SITOR Configuration, Order No.: E20001-A700-P302-X-7600.
7/32
Siemens LV 10 · 2004
Permissible load cur-
Required conductor
rent of the SITOR
cross-section
semiconductor protec-
Cu
tion fuse in the switch
1)
disconnector
2
A
mm
25
4
33
6
45
10
54
16
68
25
89
35
105
50
130
70
32
6
40
10
50
10
63
16
80
25
95
35
120
50
150
70
90
35
110
50
140
70
175
95
210
120
240
185
265
240
290
240
320
2 × 150
2)
340, 360 (290)
240
2)
380, 400 (320)
2 × 150
2)
440, 470 (360)
2 × 150
2)
500, 530 (400)
2 × 185
2)
540, 580 (400)
2 × 185
2)
600, 640 (400)
2 × 200
2)
630, 720 (400)
2 × 200
2)
630, 800 (460)
2 × (50 × 5)
2)
200, 200 (175)
120
2)
260, 260 (230)
240
2)
370, 370 (340)
240 or 40 × 8
2)
425, 450 (380)
2 × (30 × 5)
2)
600, 630 (400)
2 × (40 × 5)
145
70
180
95
225
120
255
185
330
240
400
240
135
70
180
95
225
120
300
240
425
2 × 150
800 (630)
2 × (60 × 6)
SITOR semiconductor protection fuse
Size
Opera-
Rated
Rated
tional
current
voltage
class
A
V
00
gR
25
690
35
50
63
aR
80
690
100
125
160
0
gR
32
1000
40
50
63
aR
80
1000
100
125
160
1
aR
100
1000
125
160
200
250
aR
315
1000
350
400
450
2
aR
400
1000
450
500
560
aR
630
1000
710
900
800
800
900
690
aR
250
800
315
450
500
800
710
800
3
gR
150
500
200
250
gR
300
500
350
400
gR
150
660
200
250
350
500
aR
1000
600
* This quantity or a multiple thereof can be ordered.
DT
Order No.
PS*
Weight
per PU
approx.
kg
}
3NE8 015–1
1 unit
0.205
}
3NE8 003–1
1 unit
0.204
}
3NE8 017–1
1 unit
0.203
}
3NE8 018–1
1 unit
0.205
}
3NE8 020–1
1 unit
0.203
}
3NE8 021–1
1 unit
0.205
}
3NE8 022–1
1 unit
0.213
}
3NE8 024–1
1 unit
0.207
}
3NE4 101
1 unit
0.278
}
3NE4 102
1 unit
0.277
}
3NE4 117
1 unit
0.276
}
3NE4 118
1 unit
0.279
}
3NE4 120
1 unit
0.276
}
1 unit
0.278
3NE4 121
}
3NE4 122
1 unit
0.279
}
3NE4 124
1 unit
0.279
}
3NE3 221
1 unit
0.580
}
3NE3 222
1 unit
0.568
}
3NE3 224
1 unit
0.573
}
3NE3 225
1 unit
0.570
}
3NE3 227
1 unit
0.580
}
3NE3 230–0B
1 unit
0.585
}
3NE3 231
1 unit
0.590
}
3NE3 232–0B
1 unit
0.576
}
3NE3 233
1 unit
0.720
}
3NE3 332–0B
1 unit
0.759
}
3NE3 333
1 unit
0.748
}
3NE3 334–0B
1 unit
0.753
}
3NE3 335
1 unit
0.756
}
3NE3 336
1 unit
0.760
}
3NE3 337–8
1 unit
0.762
}
3NE3 338–8
1 unit
0.764
B
3NE3 340–8
1 unit
0.753
}
3NE4 327–0B
1 unit
0.753
}
3NE4 330–0B
1 unit
0.760
}
3NE4 333–0B
1 unit
0.760
}
3NE4 334–0B
1 unit
0.754
}
3NE4 337
1 unit
0.761
}
3NC2 423–3
3 units
1.060
}
3NC2 425–3
3 units
1.050
}
3NC2 427–3
3 units
1.060
}
3NC2 428–3
3 units
1.070
}
3NC2 431–3
3 units
1.050
}
3NC2 432–3
3 units
1.060
}
3NC8 423–3
3 units
1.060
}
3NC8 425–3
3 units
1.060
}
3NC8 427–3
3 units
1.060
}
3NC8 431–3
3 units
1.070
}
3NC8 434–3
3 units
1.060
C
3NC8 444–3
1 unit
1.080