Flexible rubber sheathed Mining Cable MCPTJ-0.66/1.14kV

Flexible rubber sheathed mining cables with metallic screens and monitoring core MCPTJ-0.66/1.14kV with MA certificate

Application

Electrical connection of coalcutters and similar equipment.

Manufacturing standard

MCPTJ-0.66/1.14 (16-150 mm²):MT818.4

MCPTJ-0.66/1.14 (10 mm²):MT 818.1 ; Q/WHY 42

Service Property Parameter

1. Rated voltage 1.9/3.3kV.
2. The max temperature of conductor in normal operation is 90℃.
3. The minimum-bending radius of cable is 6 times of cable diameter.

Type & Description

Type Description
MCPTJ-0.66/1.14kV Flexible rubber sheathed coalcutter cables with metallic screens and monitoring core
MCPT-1.9/3.3kV  Flexible rubber sheathed coalcutter cables with metallic screen
MCPTJ-1.9/3.3kV  Flexible rubber sheathed coalcutter cables with metallic screens and monitoring core

Structural Sketch


1. D.C resistance shall comply with the stipulations of GB/T3956.
2. Insulation resistance should comply with the stiputations in the table.

Cross section area mm² Max.D.C. resistance of earth core and screen layer parallel connection at 20°C Ω/km Min.insulation resistance at 20℃(MΩ·km)
Rated voltage 0.66/1.14kV Rated voltage 1.9/3.3kV
16 0.70 350
25 0.60 300
35 0.60 260 380
50 0.50 230 350
70 0.34 210 320
95 0.28 200 280

3.Voltage test should comply with the stipulations in the table

Insulation core type Rated voltage U0U(kV) AC test voltage(kV) Test time(min)
Power core 0.38/0.66 3.0 5
0.66/1.14 3.7 5
1.9/3.3 6.8 5
Control Core 1.5 5

4. Flame retardance test:The methods of test and requiremenis shall be those specified in MT386.

MCPTJ-0.66/1.14
No.of cores x section area (mm²) Nominal thickness(mm) Outer diameter of cable(mm) Weight for reference kg/km Ampacity at 20℃ (A)
Power core Earth core Moniter core Power core insulation Sheath MCPTJ-0.66/1.14 MCPTJ-0.66/1.14 MCPTJ-0.66/1.14
3×16 1×16 1×16 1.5 5.0 37.1~40.8 2317 90
3×25 1×16 1×16 1.6 5.0 41.7~45.9 2859 112
3×35 1×16 1×16 1.6 5.0 47.2~51.9 3261 145
3×50 1×25 1×25 1.7 5.3 51.5~56.2 4442 182
3×70 1×35 1×35 1.8 5.8 57.9~63.0 5659 225
3×95 1×50 1×50 2.0 6.4 65.1~71.6 7361 276
MCPTJ-1.9/3.3
No.of cores x section area (mm²) Nominal thickness(mm) Outer diameter of cable(mm) Weight for reference kg/km Ampacity at 20℃ (A)
Power core Earth core Moniter core Power core insulation Sheath MCPTJ-1.9/3.3 MCPTJ-1.9/3.3 MCPTJ-1.9/3.3
3×35 1×16 1×16 2.8 6.0 55.0~60.7 4507 145
3×50 1×25 1×25 2.8 6.0 57.8~63.0 5653 181
3×70 1×35 1×35 3.0 6.0 64.1~70.8 6820 227
3×95 1×50 1×50 3.0 6.0 69.2~76.2 8144 278
MCPT-1.9/3.3
No.of cores x section area (mm²) Nominal thickness(mm) Outer diameter of cable(mm) Weight for reference kg/km Ampacity at 20℃ (A)
Power core Earth core Power core insulation Sheath MCPT-1.9/3.3 MCPT-1.9/3.3 MCPT-1.9/3.3
3×35 1×16 2.8 6.0 55.0~60.7 4302 146
3×50 1×25 2.8 6.0 57.8~63.0 5307 180
3×70 1×35 3.0 6.0 64.1~70.8 6329 226
3×95 1×50 3.0 6.0 69.2~76.2 7467 278

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