Low Voltage Mining Epr Insulation Neoprene Sheath Flexible Rubber Cable

• Application: Construction, Underground, Industrial
• Voltage: Low and Medium Voltage Cable
• Current: AC Cable
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: General Rubber Cable
• Insulation Material: Rubber
• Sheath Material: CPE
• Material Shape: Round Wire
• Wire Core Material: Bare Copper Wire
• Certification: ISO, CCC, RoHS, VDE, Ma
• Model: Myp
• Brand: Qifan
• Code: 8544492900
• Cable Voltage: Low & Medium Voltage
• Cable Test: 3.0/5 Min
• Cable Length: as Requirement
• Delivery Time: 3-50 Days
• Transport Package: Drums
• Specification: 4-150mm
• Trademark: Qifan
• Origin: China
• HS Code: 8544492900
• Production Capacity: 100000000km
• Package Size: 2200.00cm * 1100.00cm * 1000.00cm
• Package Gross Weight: 1000.000kg

Product Description

Product Description

 

Low Voltage Mining EPR Insulation Neoprene Sheath Flexible  Electric Cable General Rubber Cable

Cable model
MYP-0.38/0.66kV

Scope of application
 This product is suitable for underground coal mining with the rated voltage not exceeding 0.38/0.66kV
Power connection of the device.


Construction of cable
electric conductor
The fifth soft copper conductor

Insulation
Power wire core: EPR
Ground wire core: semi-conductive rubber

Filled (optional)
Rubber tape or fiberglass rope

Sheath
A mixture of chlorinated polyethylene or other comparable materials (CPE)

Product standard
ICEA73582

Specifications range
3-core power main core: 4~150mm

Technical Parameter
Rated voltage (U 0 / U)
0.38/0.66kV

Maximum system voltage (Um)
A 1.1 x the excess of the U

Temperature Grade
Maximum operating temperature of the conductor: + 75ºC
Ambient temperature: -20ºC ~ + 45ºC
Cable laying temperature: not less than 0ºC (when the ambient temperature is less than 0ºC,

Cables shall be preheated minimum bending radius
6D (D is the actual outer diameter of the cable

Laying method
 The laying of underground cables in coal mine is divided into flat lane or well lane and chamber below 45ºC
Method of laying neutralization vertical shaft or roadway or drilling above 45ºC.

Finished product voltage test
Stranded bare Conductor :3.0kV/5min
 

Wire core recognition
3 Main core: red and white light blue
Ground wire core: black


Out Sheath color
black

Finished cable Power wire core voltage test : 3.0kV / 5min
 

Product Parameters

 

 

MYP-0.38/0.66kV cable structure Data 1

Mode 2 mm	Power Core Conductor Dia. mm	Power Core Insulation Nom.Thickness mm	Sheath Thickness mm	Cable Diameter Range mm	Cable Weight Kg/Km
3×4+1×4	2.5	1.4	3.5	22.0~26.5	691
3×6+1×6	3.2	1.4	3.5	24.0~29.0	822
3×10+1×10	4.3	1.6	4.0	28.0~32.5	1206
3×16+10	5.3	1.6	4.0	30.5~35.5	1521
3×25+1×16	7.0	1.8	4.5	35.5~41.0	2185
3×35+1×16	8.0	1.8	4.5	38.5~44.5	2655
3×50+1×16	9.6	2.0	5.0	44.5~51.0	3550
3×70+1×25	11.5	2.0	5.0	49.0~56.0	4509
3×95+1×25	13.3	2.2	5.5	55.5~63.0	5765
3×120+1×35	15.0	2.2	5.5	59.0~67.0	6857
3×150+1×50	16.8	2.4	6.0	65.5~74.0	8539
Note 1: The cross-sectional area of the grounding wire core is the minimum cross-sectional area, and there is no requirement for the insulation thickness of the grounding wire core, but the core diameter should not be less than 75% of the power wire core diameter.

MYP-0.38/0.66kV Long-term allowable current carrying capacity of the cable Table  2
 

Cross section	Carrying capacity A
4	37
6	46
10	63
16	85
25	110
35	135
50	170
70	205
95	250
120	295
150	320
Maximum operating temperature of conductor	75ºC
Ambient temperature	25ºC

Load current correction factor at different ambient temperatures. Table  3

Conductor operating temperature(ºC)	Ambient temperature (ºC)(In Air )
	30	35	40	45	50
75	0.93	0.87	0.80	0.73	0.66

MYP -0.38/0.66 kV Dc resistance of cable conductor and maximum monofilament diameter table Table 4

Cross Section Area 2 mm	Maximum DC resistance of  conductor  at 20ºC   Ω/km	Maximum Wire  diameter   mm
4	4.95	0.31
6	3.30	0.31
10	1.91	0.41
16	1.21	0.41
25	0.780	0.41
35	0.554	0.41
50	0.386	0.41
70	0.272	0.51
95	0.206	0.51
120	0.161	0.51
150	0.129	0.51

MYP-0.38/0.66kV Minimum insulation resistance table for cables at 20 ° C Table  5

Type of Core	Cross section Area mm2	Minimum insulation resistance at 20 ° C  MΩ·km
Power Core	4	600
	6	450
	10	400
	16	350
	25	300
	35	250
	50	250
	70	200
	95	200
	120	200
	150	180

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