Siemens LV 10 · 2004
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Fuses and Fuse Systems
Introduction
7
1)If a cyclic load is applied, it may be necessary to fur ther reduce the cur-
rents (please inquire about precise values).
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Further information Further combinations are available on request!For further information on fuses, see Catalog SITOR Configuration, Order No.: E20001-A700-P302-X-7600.
For switch disconnectors SITOR semiconductor protection fuse
Type Type Permissible load cur-
rent of the SITOR
semiconductor protec-
tion fuse in the switch
disconnector1)
Required conductor
cross-section
Cu
Size Opera-
tional
class
Rated
current Rated
voltage DT Order No. PS* Weight
per PU
approx.
Amm
2AV kg

For SENTRIC 3KL5, 3KL6 and 3KM5 switch disconnectors with fuses

3KL50 3KM50 25 4 00 gR 25 690 }3NE8 015–1 1 unit 0.205
33 6 35 }3NE8 003–1 1 unit 0.204
45 10 50 }3NE8 017–1 1 unit 0.203
54 16 63 }3NE8 018–1 1 unit 0.205
3KL52 3KM52 68 25 aR 80 690 }3NE8 020–1 1 unit 0.203
89 35 100 }3NE8 021–1 1 unit 0.205
105 50 125 }3NE8 022–1 1 unit 0.213
130 70 160 }3NE8 024–1 1 unit 0.207
3KL55 3KM55 32 6 0 gR 32 1000 }3NE4 101 1 unit 0.278
40 10 40 }3NE4 102 1 unit 0.277
50 10 50 }3NE4 117 1 unit 0.276
63 16 63 }3NE4 118 1 unit 0.279
80 25 aR 80 1000 }3NE4 120 1 unit 0.276
95 35 100 }3NE4 121 1 unit 0.278
120 50 125 }3NE4 122 1 unit 0.279
150 70 160 }3NE4 124 1 unit 0.279
3KL55 3KM55 90 35 1 aR 100 1000 }3NE3 221 1 unit 0.580
110 50 125 }3NE3 222 1 unit 0.568
140 70 160 }3NE3 224 1 unit 0.573
175 95 200 }3NE3 225 1 unit 0.570
210 120 250 }3NE3 227 1 unit 0.580
3KL57 3KM57 240 185 aR 315 1000 }3NE3 230–0B 1 unit 0.585
265 240 350 }3NE3 231 1 unit 0.590
290 240 400 }3NE3 232–0B 1 unit 0.576
320 2 × 150 450 }3NE3 233 1 unit 0.720
3KL61, 3KM57 340, 360 (290)2) 240 2 aR 400 1000 }3NE3 332–0B 1 unit 0.759
3KL62 380, 400 (320)2) 2 × 150 450 }3NE3 333 1 unit 0.748
440, 470 (360)2) 2 × 150 500 }3NE3 334–0B 1 unit 0.753
500, 530 (400)2) 2 × 185 560 }3NE3 335 1 unit 0.756
540, 580 (400)2) 2 × 185 aR 630 1000 }3NE3 336 1 unit 0.760
600, 640 (400)2) 2 × 200 710 900 }3NE3 337–8 1 unit 0.762
630, 720 (400)2) 2 × 200 800 800 }3NE3 338–8 1 unit 0.764
630, 800 (460)2) 2 × (50 × 5) 900 690 B 3NE3 340–8 1 unit 0.753
3KL61, 200, 200 (175)2) 120 aR 250 800 }3NE4 327–0B 1 unit 0.753
3KL62 260, 260 (230)2) 240 315 }3NE4 330–0B 1 unit 0.760
370, 370 (340)2) 240 or 40 × 8 450 }3NE4 333–0B 1 unit 0.760
425, 450 (380)2) 2 × (30 × 5) 500 800 }3NE4 334–0B 1 unit 0.754
600, 630 (400)2) 2 × (40 × 5) 710 800 }3NE4 337 1 unit 0.761
3KL61, 145 70 3 gR 150 500 }3NC2 423–3 3 units 1.060
3KL62 180 95 200 }3NC2 425–3 3 units 1.050
225 120 250 }3NC2 427–3 3 units 1.060
255 185 gR 300 500 }3NC2 428–3 3 units 1.070
330 240 350 }3NC2 431–3 3 units 1.050
400 240 400 }3NC2 432–3 3 units 1.060
135 70 gR 150 660 }3NC8 423–3 3 units 1.060
180 95 200 }3NC8 425–3 3 units 1.060
225 120 250 }3NC8 427–3 3 units 1.060
300 240 350 }3NC8 431–3 3 units 1.070
425 2 × 150 500 }3NC8 434–3 3 units 1.060
800 (630) 2 × (60 × 6) aR 1000 600 C 3NC8 444–3 1 unit 1.080
* This quantity or a multiple thereof can be ordered.