1E Class K3 Category Nuclear Power Station Used Signal Cable with Voltage up to 0.6/1kV

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
100 m
Supply Capability:
100000 m/month

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Product Description:

Application

    This  product is used in the 1E class K3 category nuclear power station  signal control system outside the secure covering with voltage up to  0.6/1kV. In which system it can insure stop of the reactor under the  earthquake load, separation of the secure cover, cooling of the center  of reactor emergently, heat vent in the reactor, and can prevent the  radioactive particle to enter the surrounding environment.


Specification

Type

Rated voltage

V

Number of core

Nominal cross-section of the conductor

mm2

PYJYP  K3、PYJYP2  K3

PYJYP3  K3、PYJYP2/23  K3

PYJYP3/23  K3

300/500

(1~30)×2

(1~19)×3

0.50

0.75

1.0


Main technical parameter

1、Burning performance

(1)Halogen gas emission test: pH value≥4.3,conductivity≤10μS/mm;

(2)smoke density test, light transparent rate≥60%;

(3)Flame retardant test, cable can pass the bundle burning test regulated in IEC60332-3和GB/T18380.3.

(4)Insulated core can pass the single vertical burning test regulated in GB/T18380.1.

(5)As per NES713, the toxicity index shall less than 2.5.

(6)Thermal life assess test, cable can pass the 40 years thermal life assess test as per IEC60216 and IEEE383.

2、Electrical performance

(1)D.C resistance of the conductor can comply with stipulation in GB/T3956.


(2)Voltage test

Category of test

A.C voltage

V

Test time

min

core to core

core to the earth

2500

1500

5

(3)20℃时不小于3000MΩ·km;60℃时不小于30MΩ·km;90℃时不小于3MΩ·km。Insulating resistance constant Ki: will not exceed 3000MΩ·km at 20℃, will not exceed 30MΩ·km at 60℃, will not exceed 3MΩ·km at 90℃.

Feature

1、Cable is halogen free and low smoke, and so has environment protection and sanitary characteristic;

2、It adopts the dual layer insulation structure;

3、Cable has a large light transparent rate;

4、Cable has excellent flame retardant performance;

5、Cable has a long usage life, its design and actual working life will not less than 40 years;

6、Cable has excellent heat aging resistant and weather aging performance;

7、Cable has excellent high and low temperature insulation performance;

8、Cable has good content compatibility and rip resistant.



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Q:Calculate the control cable under what circumstances the cable terminal needs to be calculated
This is the air defense when the air pipe laying through the mouth of the closed wall or the protection of closed wall approach, regardless of the side of the wall or the roof into the line have this requirement
Q:The computer host is always start to stop, resulting in the last can not start. What is going on?
GB-2002 provides: metal cable bridge and its bracket and the introduction or extraction of metal cable ducts must be ground (PE) or zero (PEN) is reliable, and must meet the following requirements:
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I do not know, I do the task, although we also engage in cable
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Q:1.2 meters below the road can use pvc tube wear armor cable?
Have to fight trumpet, mainly to protect the cable jacket is not scratched
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My computer --- right-click properties. Device Manager. Look at the USB device is not there or the number. Have to reinstall the system. Also make sure your motherboard USB interface is not good. I said the interface is plug USE jumper of the root.
Q:Fourth, what causes the power cable fire accident
After the cable is burned out, the repair time is long and the loss is serious
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Q:1omoons / days sensitive quad-core network set-top boxes can be used on old-fashioned televisions.
Pipe protection cable to wear metal hose, metal hose and galvanized pipe to use metal lock connection, the connection can not pull the light pull on the line. If there is no metal hose or no metal lock, in the pipe when the pipe toward the cable to the appropriate bending, preferably in the mouth of the cushion cable skin, and then use the electrical adhesive tape sticky, sticky. After the nozzle cut with a polisher smooth grinding, the provincial scratch cable.

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