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Fire-resistant flame-retardantcontrol cableswith low gas and fume emission

КВВГнг(А)-FRLS, КВВГЭнг(А)-FRLS

DESIGNATION

 

Cables are designed for connection of electrical deviceswith alternating voltage up to 660 V and 100 Hz frequency or direct voltage up to 1000 V.

Cables of following models are manufactured:

Model

Definition

Basic technologicalregulations

КВВГнг(А)- FRLS 

Fire-resistant control cable with copper conductors, with insulation and sheath of flame-retardantPVC compoundwith low gas and fume emission

GOST 1508

КВВГЭнг(А)- FRLS 

Fire-resistant control cable with copper conductors, shielded with aluminum or copper foil, with insulation and sheath of flame-retardantPVC compoundwith low gas and fume emission

GOST 1508

ARRANGEMENT

CONDUCTOR:copper, solid.

INSULATION: flame-retardantpolyvinylchloride (PVC) compoundwith low gas and fume emission

SHEATH:  flame-retardantPVC compoundwith low gas and fume emission

Each conductor of any cable model shall be straight braided with two mica tapes

FILLING:insulated stranded conductors shall be laid with PVC compoundfilling

Is allowed to apply polyethylene terephthalate film instead of filling in КВВГЭнг(А)-FRLS cables.

SHIELDING:КВВГЭнг(А)-FRLS cables' inner extruded filling shall be shielded with copper foil or tape braiding or aluminum foil with covering providing denseness of shielding when cable is bended at permissible radius. It is allowed to use aluminoflex by aluminum layer to the inside.

A tinned copper contact wire shall be laid along the shielding over metal layer.

NUMBER OF CONDUCTORS:4,5,7,10,14,19.

CONDUCTORAREA, mm²:0.75;1.0;1.5;2.5;4.6.

TECHNICALSPECIFICATIONS

Operating temperature range - from -30˚С to +50˚С.

Maximal permissible continuous conductor heating temperature: +70°Сю

Minimal operating cable bend radius shall not be less than ten outer cable diameters.

Cables shall not spread combustion when laid as harness.

Fume emission during combustion and smoldering shall not decrease the light flux in test chamber by more than 50%.

Cables shall be fire-resistant for not less than 180 minutes' period of combustion.

Factorylength - 150 m.

Operational life - 15 years.

Regulations: Technical Specifications BY 500017371.072-2013,Technical Specifications 16-705.337-2004(manufactured under license of JSC "All-Russian Research and Development Institute for Cable Industry")