低烟无卤耐火电力电缆-安徽宏林仪表线缆有限公司

Low smoke halogen-free fire-resistant power cable

The product is manufactured in accordance with GB / T 12706 "extruded insulated power cables an…

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Description

The product is manufactured in accordance with GB / T 12706 "extruded insulated power cables and accessories for rated voltage from 1kV to 35kV", GB 12666 "test methods for combustion of electric wires and cables", GB / t17650 "test methods for gases released from materials taken from cables or optical cables during combustion" and GB / t17651 "determination of smoke density of cables or optical cables under specified conditions", At the same time, it can be produced according to IEC standard, BS standard, DIN standard, ICEA standard and JIS standard.

● Scope of application
This product is suitable for power frequency rated voltage of 0.6/1kv and below distribution lines or industrial devices with fire resistance, low smoke and halogen-free, etc., which have higher requirements for safety level.

● Usage features
·Power frequency rated voltage U zero /U：0.6/1kV。
·High allowable long-term working temperature of cable conductor:

XLPE insulated fire resistant power cable 90 ℃
·High allowable temperature of cable conductor in case of short circuit
XLPE insulated fire resistant power cable: 250 ℃
·The ambient temperature during cable laying shall not be lower than 0 ℃
·Bending diameter of cable: the diameter of multi-core cable shall not be less than 15 times of outer diameter of cable, and that of single core cable shall not be less than 20 times of outer diameter of cable.

Type of cable

model	name	purpose
DW-NH(B)-YJE	XLPVC insulated polyolefin sheathed low smoke halogen free class B fire resistant cable	Indoor, tunnel and cable trench can not bear external mechanical force. Single core cable is not allowed to be laid in magnetic pipe.
DW-NH(A)-YJE	XLPVC insulated polyolefin sheathed low smoke halogen free class a fire resistant cable
DW-NH(B)-YJE23	Cross linked polyvinyl chloride insulated polyolefin sheathed steel strip armored low smoke halogen free class B fire resistant cable	Indoor, tunnel, cable trench or buried place which can bear external mechanical force. But it can't bear big pulling force
DW-NH(A)-YJE23	XLPVC insulated polyolefin sheathed steel strip armored low smoke halogen free class a fire resistant cable

● production scope

model

Number of cores

Nominal conductor cross section

mm two

DW-NH(B)-YJE

DW-NH(A)-YJE

DW-NH(B)-YJE23

DW-NH(A)-YJE23

one

1.0~800

DW-NH(B)-YJE

DW-NH(A)-YJE

DW-NH(B)-YJE23

DW-NH(A)-YJE23

two

1.0~300

4~300

DW-NH(B)-YJE

DW-NH(A)-YJE

DW-NH(B)-YJE23

DW-NH(A)-YJE23

three

1.0~400

4~400

DW-NH(B)-YJE

DW-NH(A)-YJE

DW-NH(B)-YJE23

DW-NH(A)-YJE23

four

1.0~400

4~400

DW-NH(B)-YJE

DW-NH(A)-YJE

DW-NH(B)-YJE23

DW-NH(A)-YJE23

3+1

1.0~400

4~400

DW-NH(B)-YJE

DW-NH(A)-YJE

DW-NH(B)-YJE23

DW-NH(A)-YJE23

five

1.5~400

4~400

DW-NH(B)-YJE

DW-NH(A)-YJE

DW-NH(B)-YJE23

DW-NH(A)-YJE23

4 + 1 or 3 + 2

1.5~400

4~400

Note: the armor of single core cable used in AC circuit adopts non-magnetic special structure, which should be carefully selected.

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