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Computer cable

Product introduction: This product is suitable for
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Description

Product Description:

 

Product introduction: This product is suitable for cables with 500V and below rated voltage, which are highly resistant to electronic interference and automatic connection. Cable core insulation is made of K type B low density polyethylene with oxidation resistance. Polyethylene has high insulation resistance, good voltage resistance, small dielectric coefficient, and low dielectric loss temperature and variable frequency. It can not only meet the requirements of transmission performance, but also ensure the service life of cables. In order to reduce mutual crosstalk and external interference, the cable adopts shielding structure. The shielding requirements of cables are based on different occasions: the combined shielding of twisted pair, the total shielding of twisted pair of cables, and the total shielding after combined shielding. Shielding material has round copper wire, copper strip, aluminum tape / plastic compound belt three kinds. The shielding pair has better insulation performance than the shielding pair. If the potential difference exists between the shields and the shields when the cable is used, the transmission quality of the signal will not be affected. Two. Cable type, name and scope of use

Model
Name
Scope of use
DJYVP
Polyethylene insulated twisted pair copper wire braided general shielded PVC sheathed computer cable
Fixed in indoor, cable trench or pipe.
DJYVP2
Polyethylene insulated twisted pair copper tape general shielded PVC sheathed computer cable
DJYVP3
Polyethylene insulated pairs of twisted aluminum plastic composite tape shielded PVC sheathed computer cables
DJYPV
Polyethylene insulated twisted pair copper wire braided screened Shielding PVC sheathed computer cable
DJYP2V
Polyethylene insulated twisted pair copper tape shielded PVC sheathed computer cable
DJYP3V
Polyethylene insulated pairs of twisted aluminium plastic composite tape shielded PVC sheathed computer cables
DJYPVP
Polyethylene insulated twisted pair copper wire shielding and total Shielding PVC sheathed computer cable
DJYP2VP2
Polyethylene insulated twisted pair copper tape shielding and total Shielding PVC sheathed computer cable
DJYP3VP3
Polyethylene insulated pairs of twisted aluminum plastic composite shields and general shielded PVC sheathed computer cables
DJYVPR
Polyethylene insulated twisted pair copper wire braided general shielded PVC sheathed computer soft cable
Suitable for occasions requiring frequent movement or softness.
DJYVP2R
Polyethylene insulated twisted pair copper tape general shield PVC sheathed computer soft cable
DJYVP3R
Polyethylene insulated pairs of twisted aluminum plastic composite tape shielded PVC sheathed computer soft cables
DJYPVR
Polyethylene insulated twisted pair copper wire braided screened Shielding PVC sheathed computer soft cable
DJYP2VR
Polyethylene insulated twisted pair copper tape shielded PVC sheathed computer soft cable
DJYP3VR
Polyethylene insulated pairs of twisted aluminum plastic composite tape shielded PVC sheathed computer soft cables
DJYPVPR
Polyethylene insulated twisted pair copper wire braided shielding and total Shielding PVC sheathed computer soft cable
DJYP2VP2R
Polyethylene insulated twisted pair copper tape shielding and total Shielding PVC sheathed computer soft cable
DJYP3VP3R
Polyethylene insulated pair twisted group aluminum plastic composite belt shielding and total Shielding PVC sheathed computer soft cable
DJYVP22
Polyethylene insulated twisted pair copper wire braided total shielded steel tape armored PVC sheathed computer cable
Direct buried installation
DJYVP2-22
Polyethylene insulated twisted pair copper tape general shielded steel tape armored PVC sheathed computer cable
DJYVP3-22
Polyethylene insulated twisted pair aluminum plastic composite tape shielded steel tape armored PVC sheathed computer cable
DJYPVP22
Polyethylene insulated twisted pair copper wire braided shielding and total shielded steel tape armored PVC sheathed computer soft cable
DJYP2VP2-22
Polyethylene insulated pairs of twisted pair copper tape shielded and total shielded steel tape armored PVC sheathed computer cables
DJYP3VP3-22
Polyethylene insulated pairs of wrought aluminum plastic composite shields and general shielded steel tape armored PVC sheathed computer soft cables
 
DJYP3VP3-32
 
XLPE insulated pairs of wrought aluminum plastic composite sub shielded and total shielded phosphating fine steel wire armoured PVC sheathed computer soft cable
 
Direct buried installation
 
DJYP3VP3-92
 
XLPE insulated pairs of wrought aluminum plastic composite sub shielding and total shielding fine steel wire woven PVC sheathed computer soft cable
 
Fixed in indoor, cable trench or pipe.
 
NH-DJYP3VP3-32
 
Copper conductor covered with fireproof mica tape, cross linked polyethylene insulation pairs, wrought aluminum plastic composite ribbon shielding and total shielding phosphating fine steel wire armoured PVC sheathed computer soft cable 
Direct buried installation
 
NH-DJYP3VP3-92
 
Copper conductor covered with fireproof mica tape, cross linked polyethylene insulated pairs, wrought aluminum plastic composite sub shielding and total shielding fine steel wire woven PVC sheathed computer soft cable 
Fixed in indoor, cable trench or pipe.


Three. Scope of production

Model
Nominal cross section (mm2)
Logarithm
DJYVP, DJYVP2, DJYVP3, DJVPV, DJYP2V, DJYP3V
DJYPVP, DJYP2VP2, DJYP3VP3, DJYVPR, DJYVP2R, DJYVP3R
DJYPVR, DJYP2VR, DJYP3VR, 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

Four. Computer cable structure

Nominal cross section
(mm2)
Conductor structure
20 C conductor resistance (omega /Km)
Insulation thickness
(mm)
Spark test
Voltage test
(V)
Work exchange
Test voltage
(V)
type
Root number / line diameter
(mm)
Tin free
Tin plating
Zero point five zero
One
1/0.8
Thirty-six
Thirty-six point seven
Zero point six zero
Six thousand
Two thousand
Zero point five zero
Two
7/0.30
Thirty-six
Thirty-six point seven
Zero point five zero
Three
16/0.20
Thirty-nine
Forty point one
Zero point seven five
One
1/0.97
Twenty-four point five
Twenty-four point eight
Zero point six zero
Zero point seven five
Two
7/0.37
Twenty-four point five
Twenty-four point eight
Zero point seven five
Three
24/0.20
Twenty-six
Twenty-six point seven
One
One
1/1.13
Eighteen point one
Eighteen point two
Zero point seven
One
Two
7/0.43
Eighteen point one
Eighteen point two
One
Three
32/0.20
Nineteen point five
Twenty
One point five zero
One
1/1.38
Twelve point one
Twelve point two
Zero point seven
One point five zero
Two
7/0.52
Twelve point one
Twelve point two
One point five zero
Three
30/0.25
Thirteen point three
Thirteen point seven
Two point five
One
1/1.78
Seven point four one
Seven point five six
Zero point seven
Two point five
Two
7/0.68
Seven point four one
Seven point five six
Two point five
Three
49/0.26
Seven point nine eight
Eight point two one
Five, technical performance
Rated voltage (U0/U): 300/500V
The long-term working temperature is 70 C.
The ambient temperature is not less than fixed: -40 C, fixed at -15 C.
Bending radius: the armour free layer should be less than 6 times the outer diameter of the cable. The cable with armored layer should not be less than 12 times the outer diameter of the cable.
When the DC 500V voltage test is used to stabilize the charge 1min at 20 C, the insulation resistance should not be less than 2500M ohm. Km
There should be no break between the pair of shields and between the shields and the total shields.
The cable core and core should be subject to 50HZ, and the AC 2000V voltage test 5min will not breakdown.



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