Computer cable model selection reference

Cable model, name and scope of use

model
name
Scope of use
DJYVP
Polyethylene insulated twisted pair copper wire braided general shield PVC sheathed computer cable
Fixedly laid indoors, in cable trenches or pipes
DJYVP2
Polyethylene insulated twisted pair copper strip overall shield PVC sheathed computer cable
DJYVP3
Polyethylene insulated twisted pair aluminum-plastic composite strip overall-shield screened PVC sheathed computer cable
DJYPV
Polyethylene insulated twisted pair copper wire braided sub-shield PVC sheathed computer cable
DJYP2V
Polyethylene insulated twisted pair copper strip sub-shield PVC sheathed computer cable
DJYP3V
Polyethylene insulated twisted pair aluminum-plastic composite strip sub-shield PVC sheathed computer cable
DJYPVP
Polyethylene insulated twisted pair copper wire braided sub-shield and overall-shield PVC sheathed computer cable
DJYP2VP2
Polyethylene insulated twisted pair copper strip sub-shield and overall shield PVC sheathed computer cable
DJYP3VP3
Polyethylene insulated twisted pair aluminum-plastic composite strip sub-shield and overall-shield PVC sheathed computer cable
DJYVPR
Polyethylene insulated twisted pair copper wire braided general shield PVC sheathed computer flexible cable
Suitable for occasions that require frequent movement or softness
DJYVP2R
Polyethylene insulated twisted pair copper strip overall shield PVC sheathed computer flexible cable
DJYVP3R
Polyethylene insulated twisted pair aluminum-plastic composite strip overall shield PVC sheathed computer flexible cable
DJYVPVR
Polyethylene insulated twisted pair copper wire braided sub-shield PVC sheathed computer flexible cable
DJYP2VR
Polyethylene insulated twisted pair copper strip sub-shield PVC sheathed computer flexible cable
DJYP3VR
Polydecene insulated twisted pair aluminum-plastic composite tape sub-shield PVC sheathed computer flexible cable
DJYPVPR
Polyethylene insulated twisted pair copper wire braiding sub-shield and overall-shield PVC sheathed computer flexible cable
DJYP2VP2R
Polyethylene insulated twisted pair copper strip sub-shield and overall shielded PVC sheathed computer flexible cable
DJYP3VP3R
Polyethylene insulated twisted pair copper strip sub-shield and overall shielded PVC sheathed computer flexible cable
DJYVP22
Polyethylene insulated twisted pair copper wire braided general shield steel tape armored PVC sheathed computer cable
Direct burial
DJYVP2-22
Polyethylene insulated twisted pair copper strip overall shield steel tape armored PVC sheathed computer cable
DJYVP3-22
Polyethylene insulated twisted pair aluminum-plastic composite strip overall-shield screened steel strip armored PVC sheathed computer cable
DJYPVP22
Polyethylene insulated twisted pair copper wire braiding sub-shield and total shield steel tape armored PVC sheathed computer cable
DJYP2VP2-22
Polyethylene insulated twisted pair copper strip sub-shield and total shield steel strip armored PVC sheathed computer cable
DJYP3VP3-22
Polyethylene insulated twisted pair aluminum-plastic composite strip sub-shield and total shield steel strip armored PVC sheathed computer cable
5.3 Scope of production The scope of product manufacturing specifications is shown in Table 5-2.

Table 5-2
Model Type
Nominal area of ​​conductor(mm 2 )
Logarithmic Pairs
DJYVP, DJYVP2, DJYVP3, DJYPV, DJYP2V, DJYP3V,
DJYPVP, DJYP2VP2, DJYP3VP3, DJYVPR, DJYVP2R, DJYVP3R,
DJYPVR, DJYP2VR, DJYP3VP, DJYPVPR, DJYP2VP2R,
DJYP3VP3R
0.50, 0.75, 1.0, 1.50, 2.5
1-24
DJYVP22, DJYVP2-22, DJYVP3-22,
DJYPVP22, DJYP2VP2-22, DJYP3VP3-22
0.50, 0.75, 1.0, 1.50, 2.5
4-37
2007-1-2 1:36:11
Table 5-3 Product Structure
Nominal cross section
(mm 2 )
Conductor structure
20 ° C conductor resistance
(Ω/km)
Insulation thickness
(mm)
Spark test voltage
(50Hz) (V)
Power frequency AC test voltage
(50Hz/5min) (V)
species

Number of roots / line (mm)

Not tinned
Tin plating
0.50
1
1/0.80
36.0
36.7
0.60
6000
2000
0.50
2
7/0.30
36.0
36.7
0.50
3
16/0.20
39.0
40.1
0.75
1
1/0.97
24.5
24.8
0.60
0.75
2
7/0.37
24.5
24.8
0.75
3
24/0.20
26.0
26.7
1.00
1
1/1.13
18.1
18.2
0.7
1.00
2
7/0.43
18.1
18.2
1.00
3
32/0.20
19.5
20.0
1.50
1
1/1.38
12.1
12.2
0.7
1.50
2
7/0.52
12.1
12.2
1.50
3
30/0.25
13.3
13.7
2.5
1
1/1.78
7.41
7.56
0.7
2.5
2
7/0.68
7.41
7.56
2.5
3
49/0.26
7.98
8.21
5.5 technical performance
5.5.1 Product rated voltage (U 0 /U): 300/500V.
5.5.2 Long-term working temperature 70 ° C
5.5.3 When the laying temperature is not lower than: fixed -40 ° C, non-fixed laying -15 ° C.
5.5.4 zui small bending radius: the layer should be no less than 6 times the outer diameter of the cable, and the cable with armor layer should be no less than 12 times the outer diameter of the cable.
5.5.5 After 20 °C with DC 500V voltage test, the insulation resistance should be no less than 2500M.km after 1min charging.
5.5.6 There shall be no short circuit between each pair of twisted shields and between the twisted shield and the total shield.
5.5.7 The cable core and core between the cable and the shield shall be subjected to 50 Hz, and the AC 2000V voltage test shall not be broken for 5 min.

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