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35KV and below plastic insulated flame retardant power cable

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plastic insulated flame retardant power cableType and name:
ZRYJLV ZRYJV
Cross linked polyethylene insulated and PVC sheathed flame retardant power cable
 
ZRYJLV22 ZRYJV22
XLPE insulated PVC sheathed flame retardant power cable
 
ZRYJLV32 ZRYJV32
XLPE insulated steel wire armoured PVC sheathed flame retardant power cable
 
ZRYJLV42 ZRYJV42
XLPE insulated thick steel wire armored PVC sheathed flame retardant power cable
 
ZRVLV ZRVV
PVC insulated and sheathed flame retardant power cable
 
ZRVLV22 ZRVV22
PVC insulated PVC sheathed flame retardant power cable
 
ZRVLV32 ZRVV32
PVC insulated fine steel wire armoured PVC sheathed flame retardant power cable
 
ZRVLV42 ZRVV42
PVC insulated steel wire armoured PVC sheathed flame retardant power cable
 
Specification range:
The production specification range of flame retardant series power cable is identical with the specification of the corresponding common power cable.
 
Main technical requirements:
(1) the electrical properties of the cable are in line with the requirements of IEC standard.  
(2) the mechanical and physical properties of the cable insulation and sheath, in addition to in accordance with the IEC indicators, the PVC jacket should also have excellent flame retardant properties. Its oxygen index is generally not less than 30.
 
(3) flame retardant test:  
Class Condition
Sample length Cable bunch of nonmetal material content V(L/m) Testing number n(≥) Testing insulation Test apparatus and fire Firing time Test result
A 3.5m 7 n=1000VS(S-Sm) S=πR2 (R: cable radius)Sm: metal section 35mm2 and above power cable arrangement vertical interval (F), the rest of the cable closely arranged vertically (F/R) IEC332.3 40 Carbonized height ≤2.5m qualified
B 3.5 40
C 1.5 20

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