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Carried Standard
GB/T12706.1-2008 rated voltage 1KV(Um=1.2KV)and 3KV(Um =3.6KV)cable
Usage
Applicable to fixedly installation on AC 50HZ, rated voltage 0.6/1KV and below power distribution line, the product is used for power transmission.
Application Properties
1. Max. rated temperature of the cable conductor is 70ºC.
2. Max. operating temperature of the cable conductor does not exceed 160ºC when short-circuited (5 s maximum duration ).
3. The ambient temperature shall not be lower than 0ºC when the cable is installed, its minimum bending diameter shall not be less than the following stipulations:
Single-core cable 20D(mm),armored cable 15D;
Multi-core cable 15D(mm), armored cable 12D.
Attn: D stands for cable actual outer diameter.
Main Technical Performance
1.See appendix A for DC resistance of conductor.
2.AC withstand voltage test:
Test is conducted on rolled cable. Test adopts AC voltage: 3.5KV, lasting for 5 min, insulation shall not be broken down during test.
3. See appendix D for electric capacity, inductance, reactance of power cable
Product Named
1) The meaning of cable model in letter and number:
T........................................................................................copper conductor (omitted)
L.......................................................................................aluminum conductor
V.......................................................................................copper conductor (omitted)
L.......................................................................................aluminum conductor
V.......................................................................................PVC insulation and sheath
Y.......................................................................................PE sheath
2) Product express method:
Product is expressed by model, specification and standard label.For example: PVC Insulated Steel Tape Armored PVC Sheathed Power Cable, Rated Voltage 8.7/15KV,Four Cores, Nominal Cross 120mm2, expressed as VV22-0.6/1 4×120 GB/T12706.1-2008
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