1. This Product should comply with GB/T12706-2002 national standard. 2. At room temperature, the cable can withstand high voltage test with AC frequency and voltage of 50Hz and 3.5kV for 5 minutes and can not be breakdown. 3. 20 conductor DC resistance rate: Copper core 0.017241mm2/mo Aluminum Core 0.028mm2/m. 4. Combustion performance (flame retardant cable) should be tested in accordance with GB/T18380-2001 standard. II. Use characteristics:
1. This product should be applied to transmission and distribution lines with AC rated voltage of 0.6/1kV (Uo / U) and below. 2. The maximum long-term working temperature of cable conductor should be 70 . 3. The bending radius of armored cable should be no less than 20 times the cable diameter. 4. The laying temperature should be no less than 0 . 5. When short circuit occurs, the maximum temperature of the conductor should not exceed 160 , and the lasting time of the conductor should be no more than 5 seconds.
III. Type and description:
Type
Description
Copper core
Aluminum core
VV VY ZR-VV
VLV VLY ZR-VLV
PVC insulated PVC sheathed power cable PVC insulated polyethylene sheathed power cable Flame-retardant PVC insulated PVC sheathed power cable
VV22 ZR-VV22
VLV22 ZR-VLV22
PVC insulated steel armored PVC sheathed power cable Flame-retardant PVC insulated steel armored PVC sheathed power cable
VV23
VLV23
PVC insulated steel armored polyethylene sheathed power cable
Production scope:
Type
Conductor nominal cross section
Single core
Double cores
Three cores
3+1 cores
four cores
five cores
4+1 cores
3+2 cores
Cu Copper core
VV
1.5-1000
1.5-185
1.5-300
4-300
4-240
1.5-185
4-185
4-185
VY
1.5-1000
1.5-185
1.5-300
4-300
4-240
1.5-185
4-185
4-185
VV22
10-1000
4-185
4-300
4-300
4-240
4-185
4-185
4-185
VV23
10-1000
4-185
4-300
4-300
4-240
4-185
4-185
4-185
Aluminum core
VLV
2.5-1000
2.5-185
2.5-300
4-300
4-240
2.5-185
4-185
4-185
VLY
2.5-1000
2.5-185
2.5-300
4-300
4-240
2.5-185
4-185
4-185
VLV22
10-1000
4-185
4-300
4-300
4-240
4-185
4-185
4-185
VLV23
10-1000
4-185
4-300
4-300
4-240
4-185
4-185
4-185
The cross-section of the fourth core of 1 +3 cable, the fifth core of 4 +1 cable, the fourth and fifth cores of 3 +2 cable