This product is used for ac rated voltage up to and including 0.6/1 kv within the range of high temperature and bad environment, for electrical equipment for power transmission line
A, production standards
The enterprise standard
Second, the conditions of use
1. Cable long-term working temperature is 60 ~ 180 ℃, the cable temperature under installation should not below 0 ℃
2. Allow the bending radius should not less than 10 times of cable diameter
Three, model, name
Model name
GG silicone rubber insulated and sheathed power cable
GG22, silicone rubber insulated PVC sheathed steel tape armoured power cables
GGP2 silicone rubber insulated and sheathed, copper tape screened power cable
Four, specifications and technical parameters
(1) the insulation thickness, spark test voltage
Nominal cross section
(was) 2.5, 4, 6, 10 16 to 25 to 35 to 50, 70, 95, 120, 150, 185
Insulation thickness
(mm) 1.0 1.2 1.4 1.6 1.8 2.0 2.2
Spark breakdown voltage
(V) 6000 7000 8000 9000
(2) the finished cable wire core dc resistance: finished with 0.6/1 kv cable dc resistance of conductive wire core PVC insulated power cable.
(3) the finished cable core insulation resistance: the insulation resistance of the finished cable insulation wire core to the cable length is 1 km and the temperature is 20 ℃, the conductive wire core section under 50 was and should not be less than 50 m Ω, 70-185 was Ω should not be less than 35 m.
(4) of multi-core cable products voltage test should undergo ac 50 hz, experiment voltage 3500 v, 5 min.
Five, the outside diameter size
When ordering, according to user needs to provide
Six, cable structure