Coal Mine Signal Cable

Model:	-
Brand:	BAOSHIDA
Origin:	Made In China
Category:	Electronics & Electricity / Optical Fiber, Cable & Wire / Electric Wire & Cable
Label:	mining cable , BAOSHIDA , manufacturer
Price:	US $80 / meter
Min. Order:	1 meter

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Product Description

Product Standard:
Enterprise standard

Application:
This product is suitable to work below underground coal mine with 250V AC rated voltage & 30KHz transmission frequency.

Operating characteristics:
•Long-term service temperature of the cable conductor should not exceed 70℃.
•Cable laying temperature should not be less than 0℃ and the min. bending radius is 10 times of cable outer diameter.

Type, Description and Application:

Type	Description	Application
PUYVP	Mine PE insulated combustion retardant PVC sheathed signal cable	In 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 screened combustion retardant PVC sheathed soft signal cable	In underground electric field with relatively large disturbance

Cable Specifications:

Type	Nominal cross section 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、Structure size and chief technical parameters of this product:

Type	No.of core*Nominal cross section 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
PUYVR	4*1.5	0.7	1.0	10.5	135
PUYVRP	2*0.75	0.6	1.0	10.5	278
PUYVRP	3*0.75	0.6	1.0	11.0	307

2、Conductor resistance（20℃）of cable should not be more than:
0.5mm²    37.5Ω/km；
0.75mm²   25.1Ω/km；
1.5mm²    12.5Ω/km。
3、Cable should undergo AC 50Hz 1000V voltage test for 1min, without being punctured.
4、 Work capacity of cable should be ≤ 0.061μF/km..
5、Cable inductance should not be bigger than 0.716mH/km.