Siemens LV 10 · 2004
7/30
Fuses and Fuse Systems
Introduction
7
■
Selection and ordering data
1) If a cyclic load is applied, it may be necessary to further reduce the cur-
rents (please inquire about precise values).
2) Values in brackets apply to the 3NP4 fuse switch disconnector.
3) Values in brackets apply to the 3KL5/3KM5 switch disconnectors.
For switch disconnectors SITOR semiconductor protection fuse
Type Type Permissible load cur-
rent of the SITOR
semiconductor protec-
tion fuse in the switch
disconnector
1)
Required conductor
cross-section
Cu
Size Opera-
tional
class
Rated
current
Rated
voltage
DT Order No. PS* Weight
per PU
approx.
Amm
2
AV kg
For 3NP fuse switch disconnectors
3NP54 3NP44 70, 560 (510)
2)
2 × 150 3 gR/gS 560 690 } 3NE1 435-0 1 unit 1.110
3NP44 76 560 (540)
2)
2 × 150 gR 560 } 3NE1 435-2 1 unit 1.140
630 (535)
2)
2 × 185 gR/gS 630 } 3NE1 436-0 1 unit 1.110
3NP44 76 630 (600)
2)
2 × 185 gR 630 } 3NE1 436-2 1 unit 1.170
3NP54 3NP44 70, 710 (600)
2)
2 × (40 × 5) 3 gR/gS 710 690 } 3NE1 437-0 1 unit 1.110
3NP44 76 690 (570)
2)
gR 690 600 C 3NE1 437-1 1 unit 1.120
710 (685)
2)
gR 710 600 } 3NE1 437-2 1 unit 1.150
3NP54 3NP44 70 800 (630)
2)
2 × (50 × 5) 3 gR/gS 800 690 } 3NE1 438-0 1 unit 1.120
3NP44 76 750 (600)
2)
gR 750 600 C 3NE1 438-1 1 unit 1.110
800 (770)
2)
gR 800 600 } 3NE1 438-2 1 unit 1.180
670 (655)
2)
2 × (40 × 5) gR 670 690 } 3NE1 447-2 1 unit 1.170
850 (820)
2)
2 × (40 × 8) gR 850 690 } 3NE1 448-2 1 unit 1.200
For SENTRIC 3KL5, 3KL6 and 3KM5 switch disconnectors with fuses
3KL50 30 3KM50 30 16 1.5 000
3)
gR/gS 16 690 } 3NE1 813-0 9 units 0.127
20 2.5 20 }
3NE1 814-0 9 units 0.128
25 4 25 }
3NE1 815-0 9 units 0.127
35 6 35 }
3NE1 803-0 9 units 0.128
40 10 gR/gS 40 690 }
3NE1 802-0 9 units 0.127
50 10 50 }
3NE1 817-0 9 units 0.128
63 16 63 }
3NE1 818-0 9 units 0.128
3KL52 30 3KM52 30 80 25 80 }
3NE1 820-0 9 units 0.129
3KL52 30 3KM52 30 100 35 00 gR/gS 100 690 }
3NE1 021–0 3 units 0.202
125 50 gR/gS 125 }
3NE1 022–0 3 units 0.202
125 50 gR 125 }
3NE1 022–2 3 units 0.203
3KL55 30 3KM55 30 160 70 1 gR/gS 160 690 }
3NE1 224-0 3 units 0.580
160 gR 160 }
3NE1 224-2 3 units 0.613
200 95 gR/gS 200 }
3NE1 225-0 3 units 0.582
200 gR 200 }
3NE1 225-2 3 units 0.612
250 120 gR/gS 250 }
3NE1 227-0 3 units 0.580
245 gR 250 }
3NE1 227-2 3 units 0.626
3KL57 30 3KM57 30 315 2 × 70 gR/gS 315 }
3NE1 230-0 3 units 0.581
280 gR 315 }
3NE1 230-2 3 units 0.615
3KL57; 3KM57 30 350 (330)
3)
2 × 95 2 gR/gS 350 690 } 3NE1 331-0 3 units 0.766
3KL61 30 350 (300)
3)
gR 350 } 3NE1 331-2 3 units 0.754
400 (375) gR/gS 400 }
3NE1 332-0 3 units 0.743
3KL61 30 3KM57 30 450 (400)
3)
2 × 120 gR/gS 450 } 3NE1 333-0 3 units 0.760
450 (325)
3)
gR 450 } 3NE1 333-2 3 units 0.768
500 (400)
3)
gR/gS 500 } 3NE1 334-0 3 units 0.766
500 (350)
3)
gR 500 } 3NE1 334-2 3 units 0.768
3KL61 30, – 560 2 × 150 3 gR/gS 560 690 }
3NE1 435-0 1 unit 1.110
3KL62 560 gR 560 }
3NE1 435-2 1 unit 1.140
630 2 × 185 gR/gS 630 }
3NE1 436-0 1 unit 1.110
615 (630) gR 630 }
3NE1 436-2 1 unit 1.170
3KL61 30, – 710 2 × (40 × 5) 3 gR/gS 710 690 }
3NE1 437-0 1 unit 1.110
3KL62 710 (700) gR 600 C
3NE1 437-1 1 unit 1.120
630 gR 710 690 }
3NE1 437-2 1 unit 1.150
3KL61 30, – 800 2 × (50 × 5) 3 gR/gS 800 690 }
3NE1 438-0 1 unit 1.120
3KL62 770 (800) gR 600 C
3NE1 438-1 1 unit 1.110
630 (760) gR 800 690 }
3NE1 438-2 1 unit 1.180
630 (670) 2 × (40 × 5) gR 670 690 }
3NE1 447-2 1 unit 1.170
630 (790) 2 × (40 × 8) gR 850 690 }
3NE1 448-2 1 unit 1.200
* This quantity or a multiple thereof can be ordered.
(121 pages)
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