SiFCuSi

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Temperaturbeständige Schlauchleitung
SiFCuSi

As a connection cable for low mechanical loads and high ambient temperatures, e.g. in smelters and steelworks, but also in cold environments. The insulation is based on silicone rubber. It is resistant to vegetable and animal fats, many oils and diluted acids as well as decomposition by alcohols,
plasticisers, alkalis, salt solutions, etc. If the cable is burnt, an insulating silicon dioxide layer remains on the conductor, which can prevent a short circuit. The high shielding density guarantees interference-free transmission of signals or pulses.

Download datasheet (SiFCuSi)
Number of conductors x 
Nominal cross-section
Conductor structure Insulation thickness Outer Ø Weight Conductor resistance
at 20°C
Cu count Central warehouse Central warehouse Factory warehouse Factory warehouse
mm² approx. mm approx. mm approx. mm approx. kg/km ca. Ω/km kg/km G x G x
2 x 0,75 24 x 0,21 0,8 7,6 75,0 26,7 43,0
3 G 0,75 24 x 0,21 0,8 7,9 89,0 26,7 57,0
4 G 0,75 24 x 0,21 0,8 8,5 105,0 26,7 70,0
5 G 0,75 24 x 0,21 0,8 9,1 152,0 26,7 82,0
7 G 0,75 24 x 0,21 0,8 9,8 192,0 26,7 113,0
2 x 1 32 x 0,21 0,8 7,8 82,0 20,0 52,0
3 G 1 32 x 0,21 0,8 8,1 100,0 20,0 78,0
4 G 1 32 x 0,21 0,8 8,7 121,0 20,0 89,0
5 G 1 32 x 0,21 0,8 9,4 142,0 20,0 106,0
7 G 1 32 x 0,21 0,8 10,1 173,0 20,0 132,0
2 x 1,5 30 x 0,26 0,8 8,8 107,0 13,7 66,0
3 G 1,5 30 x 0,26 0,8 9,2 131,0 13,7 99,0
4 G 1,5 30 x 0,26 0,8 9,9 157,0 13,7 121,0
5 G 1,5 30 x 0,26 0,8 10,8 194,0 13,7 135,0
7 G 1,5 30 x 0,26 0,8 11,6 239,0 13,7 227,0
12 G 1,5 30 x 0,26 0,8 15,2 386,0 13,7 322,0
3 G 2,5 50 x 0,26 0,9 10,5 184,0 8,2 154,0
4 G 2,5 50 x 0,26 0,9 11,4 222,0 8,2 170,0
5 G 2,5 50 x 0,26 0,9 12,3 272,0 8,2 208,0
7 G 2,5 50 x 0,26 0,9 13,8 351,0 8,2 300,0
4 G 4 56 x 0,31 1,0 14,9 427,0 5,1 307,0
5 G 4 56 x 0,31 1,0 16,9 546,0 5,1 390,0
4 G 6 84 x 0,31 1,0 16,5 657,0 3,4 468,0
4 G 10 80 x 0,41 1,2 22,5 1.119,0 2,0 791,0
4 G 16 128 x 0,41 1,2 25,6 1.872,0 1,2 1.230,0
4 G 25 200 x 0,41 1,4 32,4 2.834,0 0,795 1.886,0

based on DIN VDE 0285-525-2-83

  • Stranded copper wire, tinned, fine stranded according to DIN VDE 0295 cl.5,
    IEC 60228 cl.5
  • Silicone wire insulation
  • Core labelling according to HD 308 S2
    from 7 core version black with numbers
  • Cores with optimum lay lengths stranded in layers
  • Foil winding
  • Shielding braid made of tinned copper wires
  • Silicone outer sheath
  • Sheath colour preferably red-brown
Nominal voltage U₀/U: 300/500 V
Testing voltage: 2000 V
Insulating resistance: 200 MOhm x km
Temperature range:
Operating temperature: -60°C to +180°C
Conductor operating temperature: max. +180°C
Short-circuit temperature: max. +250°C/5 sec.
Minimum bending radius:
When laying: 10 x DA
Fixed installation: 5 x DA
Fire behaviour: EN 60332-1-2
IEC 60332-1
Halogen-free: EN 60754-1
IEC 60754-1
Corrosiveness: EN 60754-2
IEC 60754-2