CONTROL CABLES NYВY

  • energoprom 

Standard: GOST 1508-78

TU U 31.3-23075526-004:2007 («нг»; «нг-LS»)

Construction

1  Conductor: copper (1 class)

2  Core Insulation: PVC

3  Belt insulation: PVC

4  Armour: steel tapes

5  Sheath: PVC

 

Application

Сables are used during stationary installation in electrical appliances, alternating-current equipment with nominal voltage of 660 V or direct-current switchgears with nominal voltage of up to 1000 V.

Cables are used for confined spaces, channels, tunnels, aggressive environment, areas under external mechanical effects.

 

Technical parameters

  • Rated operational voltage: 660 V
  • Range of cross-sections 0,75 – 6 mm²
  • Number of cores: 4-37
  • Shape of conductor: round
  • Number of wires in the core: 1
  • Core identification: pilot pair with еach layer
  • Оperating temperatures – of  -50 °С to +50 °С
  • Conductor temperature: max. +70 °С
  • Relative humidity: 98% at 35 °C temperature
  • Flame retardant: IEC 60332-1
  • Service life: underground and in trestleworks – 15 years, in confined spaces, canals – 25 years

 

Nominal

cross-section

mm²

Number of cores

0,75; 1,0; 1,5; 2,5 4, 5, 7, 10, 14, 19, 27, 37
4,0 4, 7, 10

 

Variants of execution

КВБбШвнг: flame retardant – IEC 60332-3 (category A )

КВБбШвнг-LS: flame retardant – IEC 60332-3 (categ. A), IEC 61034-2, IEC 60754-1,IEC 60754-2