CABLES FOR SIGNALIZATION AND BLOCKING WITH POLYETHYLENE INSULATION IN PLASTIC SHEATH
◄This type of product is always under the order. When ordering, please pay special attention to the item "MARKING CABLE WHEN ORDERING", which you will find below on the page. ORDER
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FUNCTION:
The cables are designed for electrical signalization units, centralization and blocking, fire alarm and automatics at 380 V nominal voltage of alternating current of 50 Hz frequency or 700 V of direct current.
 
DESIGN:
  1. Current-carrying conductor – soft copper wire of 0,9 mm, 1,00 mm diameter.
  2. Insulation – polyethylene.
  3. Belt insulation – polypropylene foamed tape.
  4. Screen from alumina polyethylene tape (for SBPu at customer’s request).
  5. Sheath –polyethylene (SBPu, SBZPu), polyvinylchloride elastron (SBVG ), polyvinylchloride elastron of reduced combustibility (SBVng).
  6. Hydrophobic filling (SBZPu).

The cable can be with pair twisting or with single conductors.
The number of pairs – 1, 3, 4, 7, 10, 12, 14, 19, 24, 27, 30.
The number of conductors – 3, 4, 5, 7, 9, 12, 16, 19, 21, 24, 30, 33, 37, 42, 48.
The colour of insulation of primary conductors – white (natural) or red. The colour of additional conductors – blue, orange, green, brown, gray, red, white.

MARKING CABLE WHEN ORDERING:

SBVG - Signal block cable with copper conductors, with insulation from polyethylene, in a sheath from polyvinylchloride elastron. For single installation in premises, dry channels and tunnels, in of aggressive environment, without mechanical affects on the cable.

SBVGng - The same, in a sheath from polyvinylchloride elastron of reduced combustibility. For single installation in premises, dry channels and tunnels, in of aggressive environment, without mechanical affects on the cable, for installation in bunches.

SBPu - Signal block cable with copper conductors, with insulation from polyethylene, in an extraheavy sheath from polyethylene. For installation in plastic pipe-lines, in the ground, in aggressive environment without mechanical affects on the cable.

SBZPu - The same, with hydrophobic filling of the cable’s core. For installation in plastic pipe-lines, in the ground, in aggressive environment without mechanical affects on the cable in increased humidity environment.
 
SERVICE AND ASSEMBLY CONDITIONS:

Operating temperature range – from -40°C to 60°C (SBVG , SBVG ng), from -50°C to 60°C (SBPu, SBZPu).

The cables are designed for mechanized and manual installation at a temperature from -15°C. Tensile load of the cables not over 50 N/mm2, of mutual cross-section area – the same, bending radius not less than 7 outside diameters of the cable.

The cable is supplied on drums, small lengths may be supplied in coils. The cable’s sheath is air-tight and cold-resistant.

Minimal service life of the cable without hydrophobic filling – 12 years, with hydrophobic filling – 17
years.

Warranty period – 4,5 years of the cable’s date of manufacture.

SPECIFICATION:

Diameter of conductors, mm 1,0 0,9
Electrical resistance of current-carrying conductor converted to 1 km length and 20°C temperature, Ohm, not over 23,3  28,8
Electrical resistance of insulation of current-carrying conductors converted to 1 km length and 20°C temperature, Ohm, not less than
-for cables with hydrophobic filling
-for cables without hydrophobic filling		 4000  
5000		 4000  
5000
Operating capacity converted to 1 km length, nF, not over
-of cables’ pairs with pair twisting
- of cables’ conductors with single conductors		 100
150		 100
150

Attenuation constant of cables with pair twisting converted to 1 km length and 20°C temperature, Ohm, not over

 0,94 1,04

REGULATIONS: 

TU BY 400424686.003-2005
State Standard R 51312

 

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