This product is suitable for AC rated voltage 0.6/1kV line, for transmission, distribution can be used.
First, the implementation of production standards
GB12706.2 is equivalent to the International Electrical Commission IEC60502.
Two, the use of features
1 the cable conductor is allowed to work for no more than 70;
2 short circuit (the longest duration of not more than 5 seconds), the maximum temperature of the cable conductor is not more than 160;
3 ambient temperature should not be less than 0.
Three, the cable model, name and applicable occasions
Model | Name | Suitable occasion | |
copper | aluminum | ||
VV | VLV | PVC insulated PVC sheath power cable | For laying indoors, in tunnel, in the pipeline, the cable can not bear the effect of mechanical force. |
VV22 | VLV22 | PVC insulated PVC sheath Steel tape armoured power cable | Laying in the ground, the cable can bear the mechanical force, but can not bear the big pull. |
VV32 | VLV32 | PVC insulated PVC sheath Fine steel wire armoured power cable | Laying in the ground, the cable can bear the mechanical external force, but also can bear large tension. |
Note: the company can also provide general flame retardant, low smoke and low halogen flame retardant, low smoke halogen free flame retardant polyolefin type (low smoke halogen free cable) and other types of products according to user needs.
1, ordinary flame retardant type (flame retardant cable): in the prototype before the addition of "ZR", such as ZR-VV
2, low smoke and low halogen flame retardant:
A, before the prototype number plus the "DDZ", such as DDZ-VV
B, before the prototype number plus the "ZR", and the model of the letter "V" to be rewritten as "VD", such as ZR-VDVD
3, low smoke halogen free flame retardant polyolefin type (low smoke halogen free flame retardant cable): before the prototype number plus the "ZR" and the model of the letter "V" is rewritten as "E", such as ZR-EE
Four, model number, number of cores, nominal section
Model | Number of cores | Number of cores | |
copper | aluminum | ||
VV - VV22 | - VLV VLV22 | 1 | 630 630 630 |
VV - VV22 | - VLV VLV22 | 2 | 400 400 400 |
VV - VV22 | - VLV VLV22 | 3 | 1.5-300 2.5-300 4-300 |
VV VV22 | VLV VLV22 | 4 | 240 240 |
VV VV22 | VLV VLV22 | 3+1 | 300 300 |
Note: (1) users can also order 5 core power cable to the company, such as: 3+2 type, 4+1 type.
(2) the neutral line can be used in the neutral line.
Five, delivery length
Cable delivery length according to the agreement between the two sides, the length of measurement error is not more than 0.5%