PROTOMONT (M) (N)SHOEU 0.6/1kV Flexible Rubber Cables

A Comprehensive Guide to PROTOMONT (M) (N)SHOEU 0.6/1kV Flexible Rubber Cables in Demanding Mining Environments and Submersible Applications

                                                  PROTOMONT (M) (N)SHOEU 0.6/1kV Flexible Rubber Cables

Application

Rubber-sheathed flexible cables for open-cast mining, suitable for laying alongside conveyor belts (also for shiftable units) and on material handling equipment, even when continuously moved (e.g., in cable suspension fittings, connection between upper/lower cars). Suitable for submersible pump units.

Global Data

Brand

Feichun PROTOMONT(M)

Type

PROTOMONT(M) (N)SHOEU 0.6/1kV

Type Designation

(N)SHOEU

Standard

Based on DIN VDE 0250 part 812

Certifications / Approvals

Fire Certificate of Russian Federation, TR-Zertifikat, GOST K, GOST B

Notes on Installation

Maximum Submersing Depth

500 Meter

Design Features

Conductor

Electrolytic copper, not tinned, finely stranded (class 5)

Insulation

PROTOLON, Basic material: EPR, Compound type: Special compound better 3GI3

Core Identification

Light gray with black digits

Core Arrangement

Three main conductors laid-up with protective-earth conductor; from 50 mm² with protective-earth conductor split into three in outer interstices

Inner Sheath

Basic material: EPR, Compound type: Special compound

Outer Sheath

Basic material: Chlorinated rubber, Compound type: Special compound, 5GM3, Color: Black

Electrical Parameters

Rated Voltage

Uo/U = 450/750 V (Control cables); Uo/U = 0.6/1 kV (Power cables)

Max. Permissible Operating Voltage AC

0.7/1.2 kV

Max. Permissible Operating Voltage DC

0.9/1.8 kV

AC Test Voltage

3 kV (Power cables); 2 kV (Control cores)

Chemical Parameters

Resistance to Fire

EN 60332-1-2; IEC 60332-1-2

Resistance to Oil

EN 60811-404; IEC 60811-404

Weather Resistance

Unrestricted use outdoors/indoors, resistant to ozone and moisture

Water Resistance

EN 50525-2-21

Thermal Parameters

Max. Permissible Temp. at Conductor

90 °C

Max. Short Circuit Temp. of Conductor

250 °C

Max. Permissible Water Temp.

40 °C (higher temps may reduce lifetime)

Ambient Temp. (Fixed Installation)

Min: -40 °C, Max: 80 °C

Ambient Temp. (Fully Flexible Operation)

Min: -25 °C, Max: 60 °C

Mechanical Parameters

Max. Speed on Rewinding

100 m/min

Tensile Load on Conductor

Max: 15 N/mm²

Torsional Stress

100 °/m

Bending Radii

Min: According to DIN VDE 0298 part 3

Usage Scenarios: From Mines to Pumps

The versatility of PROTOMONT (M) (N)SHOEU 0.6/1kV Flexible Rubber Cables shines in demanding scenarios. Primarily, they are used in open-cast mining, laid alongside conveyor belts—even for shiftable units—or on material handling equipment. Their flexibility accommodates continuous movement, such as in cable suspension fittings or connections between upper and lower cars in mining vehicles.

Beyond mining, these cables connect submersible pump units, enduring depths up to 500 meters. In water management systems, they power pumps for dewatering mines or handling industrial fluids, resisting water ingress and maintaining electrical integrity.

In broader industrial contexts, they suit any setup requiring flexible, robust power delivery, like construction sites or temporary installations. Their compliance with international standards ensures global applicability, but in South Africa, they align perfectly with the need for reliable infrastructure amid energy volatility.

In-Depth Analysis: Why These Cables Matter

Delving deeper, the PROTOMONT (M) (N)SHOEU 0.6/1kV Flexible Rubber Cables represent a fusion of materials science and electrical engineering. The EPR-based insulation and chlorinated rubber sheath provide superior dielectric strength and abrasion resistance compared to standard PVC cables, reducing failure rates in abrasive mining environments. For instance, the class 5 stranding minimizes fatigue from flexing, extending service life by up to 50% in dynamic applications.

Electrically, the high voltage ratings and test voltages ensure safety margins, preventing arcs or breakdowns that could halt operations. Chemically, the oil and fire resistance mitigates risks in flammable or contaminated areas, aligning with OSHA-like safety protocols.

Thermally, the 90°C operating limit allows higher current capacities without overheating, optimizing energy efficiency—a critical factor in South Africa's energy-constrained mining sector. Mechanically, the torsional and tensile strengths support high-speed operations, reducing downtime from cable damage.

Overall, these cables enhance operational efficiency, lower maintenance costs, and promote sustainability by lasting longer and reducing waste. In an era of digitalization in mining, where AI and automation demand reliable power, they form the foundational infrastructure.

Frequently Asked Questions

  1. What makes PROTOMONT (M) (N)SHOEU 0.6/1kV Flexible Rubber Cables suitable for mining? Their flexible design, high tensile strength, and resistance to oil, fire, and water make them ideal for dynamic mining environments like conveyor belts and material handling.

  2. Can these cables be used in submersible applications? Yes, with a maximum submersion depth of 500 meters and water resistance per EN 50525-2-21, they are perfect for submersible pumps.

  3. What is the maximum operating temperature? The conductor can reach 90°C continuously, with short-circuit tolerance up to 250°C.

  4. Are they compliant with international standards? Based on DIN VDE 0250 part 812, with additional certifications like GOST and fire resistance per IEC 60332-1-2.

  5. How do they perform in South Africa's energy crisis? Their voltage stability and durability support backup systems, reducing downtime in power-unstable regions.

  6. What bending radii should be followed? Minimum radii per DIN VDE 0298 part 3 to prevent damage during installation.

  7. Is outdoor use unrestricted? Yes, thanks to ozone, moisture, and weather resistance.

  8. What core arrangement is used? Three main conductors with a protective-earth conductor, split for larger sizes.

  9. How fast can they be rewound? Up to 100 m/min on drum cars.

  10. Do they support high torsional stress? Yes, up to 100°/m, ideal for twisted installations.

The PROTOMONT (M) (N)SHOEU 0.6/1kV Flexible Rubber Cables embody innovation in cable technology, offering unmatched reliability for mining and beyond. As South Africa navigates mining declines, energy transitions, and critical mineral demands, these cables provide essential support, ensuring operations remain efficient and safe. By integrating such advanced solutions, industries can overcome challenges and pave the way for a sustainable future. Whether in the depths of a mine or powering essential pumps, these cables prove that robust engineering drives progress.