Delivery Time:Negotiable

retard AC voltage 250V  Mine PE insulated underground Multicore Cable

Mine Sinal Cable

Product Standard

Enterprise standard

Usage

This product is suitable for use retard AC voltage 250V and below coal mine underground with transmitting frequency below 30kHz.

Operating characteristics

1, Allowed work temperature of cable for a long period should not exceed 70℃.

2, Temperature for laying cable should be not less than 0℃ and the min. bend radius is 10 time of cable overall diameter.

Type

Type	Name	Application
PUYVP	Mine PE insulated combustion retardant PVC sheathed signal cable	ln underground electric field with relatively large disturbance
PUYVR	Mine PE insulated combustion retardant PVC sheathed soft signal cable	As underground common signal or end instrument information transmitting line
PUYVRP	Mine PE insulated copper wire woven screened combustion retardant PVC sheathed soft signal cable	ln underground electric field with relatively large disturbance

 For cable specifications

Type	Nom cross-sectional  mm2	Fabric of cores No./Diameter mm	No. of cores
PUYVP	1.5	1/1.38	4
PUYVR	0.5 , 1.5	7/0.30 , 7/0.52	4
PUYVRP	0.75	7/0.37	2 , 3

Technical conditions

 1. For structure size and chief technical parameters of this product

Type	No. of cod×Nominal Area mm2	Insulation thickness mm	Sheathed thickness  mm	Diameter mm	Weight kg/km
PUYVP	4×1.5	0.7	1.6	14.0	265
PUYVR	4×0.5	0.6	1.0	7.5	105
4×1.5	0.7	1.0	10.5	135
PUYVRP	2×0.75	0.6	1.0	10.5	278
3×0.75	0.6	1.0	11.0	307

2.  Conductor resistance (20°C)of cable should be not bigger than:

        0.5 mm2        37.5Ω/km;

        0.75 mm2           25.1Ω/km;

        1.5 mm2            12.5Ω/km.

3. Cable should undergo AC 50HZ 1000V voltage test for 1 min, without being punctured.

4. Work capacity of cable should be not bigger than 0.061μF/km

5. Cable inductance should be not bigger than 0.716mH/km