Overview
| Model NO. | MY MYP MYPTJ,Mobile Mining Rubber Cable | Application | Mining Equipment, Coal Cutters, Mobile Power Distribution |
| Voltage | Low/Medium Voltage | Conductor | Copper |
| Insulation Material | Rubber | Jacket | Neoprene |
| Material Shape | Round | Temperature | -25 °C to +65 °C |
| Certification | ISO, CCC, CE, RoHS, VDE | Conductor Type | Class 5 |
| Brand | ZhongYI | Voltage Type | 450/750 V |
| Company Name | ZHONGYI Cable Co., Ltd | CORE | 2-8 |
| Transport Package | Plastic Packaging and Cardboard Boxes | Specification | 4 mm² to 95 mm² |
| Origin | HEBEI China | Color | Black |
MY Cable Core Technical Specifications & Data Sheet
| Nominal cross-sectional area (mm²) | Common AWG | Conductor structure (No./single wire diameter mm) | Nominal sheath thickness (mm) | Average outer diameter (mm) | Max DC resistance of conductor at 20 Ω/km |
Approx.weight kg/km |
| 3×4 | 11 | 51 / 0.32 | 3 | 20 | 4.95 | 580 |
| 3×6 | 9 | 75 / 0.32 | 3 | 22 | 3.3 | 730 |
| 3×10 | 7 | 126 / 0.32 | 3.5 | 26.5 | 1.91 | 1150 |
| 3×16 | 5 | 126 / 0.40 | 4 | 31 | 1.21 | 1650 |
| 3×25 | 3 | 196 / 0.40 | 4.00 | 36 | 0.78 | 2250 |
Features
MY cable calls Coal Mine Mobile Rubber-Sheathed Flexible Cable,also have some other different Rubber Sheathed Cables types of products, such as MC, MCP, MCTP,MCPTJ, MY,MYP, MYPT, MYPTJ, MCDP
Comparison of MY, MYP, MYPTJ Mining Cables
| Feature | MY | MYP | MYPTJ |
|---|---|---|---|
| Full Name | Mobile Mining Rubber Cable | Shielded Mobile Mining Cable | CableShielded & Monitored Mining Cable |
| Structure | Rubber Sheath + Cores | Rubber Sheath + Metallic Shield | Shield + Monitoring Core + Ground |
| Shielding | None | Copper Braid/Screen | Individual & Overall Shielding |
| Safety Level | Standard | High (Anti-spark/EMI) | Maximum (Smart Safety Check) |
| Flexibility | Class 5 (Very Flexible) | Class 5 (Flexible) | Class 5 (Flexible) |
| Main Function | Basic Power Supply | Signal Protection / Spark Prevention | High-Voltage Mobile Equipment Safety |
Extreme Flexibility: Multi-strand copper conductors and rubber jacket allow for frequent bending and dragging.
Flame Retardant: Complies with strict coal mine safety standards to prevent fire hazards.
Wear & Tear Resistance: The heavy-duty rubber sheath resists abrasion, oil, and moisture in harsh mining conditions.
Safety Certified: Designed to meet MA (Mining Safety) certification requirements for underground use.
Application
Mobile Equipment: Powering coal cutters, loaders, and mobile conveyor belts.
Underground Power: Connecting portable electrical devices in coal mines.
Dynamic Environments: Any mining area where cables need to be moved or coiled frequently.
Certification
Factory
FAQ
1. What is the explicit technical distinction between MY, MYP, and MYPTJ mining cables?
Safety Shielding & Active Monitoring Matrix:
The distinction lies entirely in the inner protective screening layers designed to counter specific underground hazards. The standard MY cable provides essential power distribution without metallic screens, optimizing handling flexibility for low-stress portable machinery. The MYP series integrates an individual copper wire braided shield around each phase core to dissipate electrostatic fields and prevent ignitable tracking sparks. The ultra-spec MYPTJ variant implements a dual-layer individual and overall shielding matrix coupled with a built-in monitoring ground check core, establishing an active smart safety system that immediately trips circuit breakers during localized cable tearing.
2. Why is a Class 5 flexible stranded conductor mandatory for mobile mining trailing wires?
Dynamic Pliability & Conductor Fatigue Resistance:
Underground coal cutters, mobile loaders, and traveling conveyor systems subject trailing power lines to continuous dynamic stretching, acute bending, and mechanical dragging. Our MY / MYP / MYPTJ series completely resolves internal metal fatigue by bundling 99.99% pure Oxygen-Free Copper (OFC) into premium Class 5 high-strand configurations. This structural layout minimizes the minimum bending radius and prevents wire snapping under aggressive daily mobile workloads.
3. How does the rubber compounding protect MY cables against harsh sub-surface environments?
Advanced Polymer Sealing & Abrasion Resilience:
Subterranean mine shafts expose electrical wiring to aggressive rock abrasion, damp mud, and acid-alkali water seepage. Our mobile mining cables are jacketed in a specialized, vulcanized heavy-duty synthetic rubber compound. This resilient elastic matrix provides exceptional anti-tearing strength and excellent resistance against industrial grease, maintaining a 100% moisture-impermeable seal to block catastrophic water treeing degradation within the inner insulation layers.
4. Does the ZHONGYI mining rubber cable satisfy strict underground fire safety parameters?
Self-Extinguishing & Anti-Explosion Integrity:
Absolutely. In enclosed, volatile underground mining atmospheres with high dust and gas risks, fire prevention is a critical engineering benchmark. The outer rubber protective sheath of our MYP/MYPTJ product line is chemically formulated with high-grade flame retardants. It strictly satisfies international fire evaluation profiles, ensuring the cable will not sustain open combustion, is inherently self-extinguishing within seconds, and prevents horizontal fire propagation along cable trays.
5. What wholesale core variations and B2B project logistics packaging do you guarantee for bulk orders?
Industrial Supply Capacity & Secure Reel Transit:
As an established direct factory supplier, we engineer MY, MYP, and MYPTJ mobile mining cables in multi-core clusters (spanning 2 to 8 cores, including standard 3 phase cores + ground layouts) with cross-sections tailored for heavy power distribution. To safeguard the supple rubber protective jacket from mechanical scuffing or structural compression during long-distance maritime sea freight transit, bulk wholesale orders are wound securely on heavy-duty treated steel-wooden drums, fully backed by complete Type Test Reports.
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