TRM-J & TRMC-J Highly Flexible Mining Rubber Cable
- TRM‑J Cable:
- Standard flexible mining cable for medium‑heavy duty
- Temp: −25°C to +80°C (mobile); −40°C to +80°C (fixed)
- Voltage: 0.69/1.15 kV
- Use: Mines, harbors, steel mills, quarries
- TRMC‑J :
- Heavy‑duty reinforced version for extreme mechanical stress
- Better abrasion, oil, and tear resistance; higher tensile strength (20–25 N/mm² vs. 15–20 N/mm² for TRM‑J)
- Use: High‑speed reeling, long‑distance trailing, heavy machinery (e.g., shearers, loaders) in harsh mine
What’s difference and Same of TRM-J cable and TRMC-J cable?
- TRM-J Rubber Mining Cable: Power cores laid up around rubber filler if needed. The wrap of synthetic tape for seven and more conductor cables, inner sheath, concentric screen, CR outer sheath.
- TRMC-J Rubber Mining Cable: Three screened power cores and one non screened earth cores laid up around rubber filler if needed. The wrap of synthetic tape for seven and more conductor cables, inner sheath, concentric screen, CR outer sheath
- TRM‑J and TRMC‑J is the letter C: TRMC‑J has an extra reinforced/armored layer (chloroprene rubber sheath or steel braid) for heavier mechanical stress, while TRM‑J is the standard flexible mining trailing cable without this extra reinforcement.
TRMC‑J Rubber Cable Construction
1. Conductor: very finely stranded copper conductor,class 5
2. Insulation: Basic material: EPR, Compound type: 3Gl3
Core identification: Main cores: Colored, Black, Blue, Brown; Earth cores: Yellow and Green
3. Cores Screen: three individually tinned copper wire braiding with Nylon wires screened power cores Core arrangement ,earth core no screen
4.Filler: Three main conductors and one earth core laid-up with Rubber Filler
5.Inner sheath: Basic material: EPR, Compound type: GM1B
6.Overall Screen: Braid of tinned copper wires of up to 90%
7. Outer sheath: Yellow,heavy-duty Polychloroprene (CR)
Design: Highly flexible mining, individual and overall screened, multi conductor rubber cables.
Application: TRMc-J refers to a highly flexible, rubber-insulated trailing cable used in mining
and extreme industrial environments, it is manufactured to operate continuously under heavy
mechanical stress, movement, and harsh conditions
What’s Letter mean of TRM-J and TRMC-J Cable?
T: Trailing (for mobile equipment)
R: Rubber insulated
M: Mining application
J: Reinforced type / VDE standard compliant
C: Chloroprene rubber (CR) sheath or steel braid armor; heavy‑duty mechanical protection
TRM‑J Rubber Cable Construction
1. Conductor: very finely stranded copper conductor, class 5
2. Insulation: Basic material: EPR, Compound type: 3Gl3
Core identification: Main cores: Colored, Black, Blue, Brown; Earth cores: Yellow and Green
3.Filler: Three main conductors and one earth core laid-up with Rubber Filler
4.Inner sheath: Basic material: EPR, Compound type: GM1B
5.Overall Screen: Braid of tinned copper wires of up to 90%
6. Outer sheath: Yellow,heavy-duty Polychloroprene (CR)
Applicaton: designed for extreme industrial applications requiring exceptional durability, flexibility, and resistance to harsh environmental conditions.For very heavy stresses as required for mines, Shaftsinking, Harbors, Steelmills, Quarries and Oil rigs.
| Item | TRM‑J | TRMC‑J |
|---|---|---|
| Conductor | Flexible tinned Cu, Class 5 | Same |
| Insulation | EPR (ethylene propylene rubber) | Same |
| Inner Sheath | EPR (EI 4) | Same |
| Shield | Tinned copper braid (≥90% coverage) | Same |
| Outer Sheath | Standard 5GM3 rubber (yellow) | CR/Neoprene or PUR; thicker, abrasion/oil resistant |
| Reinforcement | No extra armor | Optional steel braid or aramid yarn core for high tension |
Working temperature of TRMC-J & TRM-J Cable:
- Max. permissible temperature at conductor: 90°C
- Max. short circuit temperature of the conductor: 250°C
- Ambient temperature for fix installation min: 40C
- Ambient temperature for fix installation max. 80 °C
- Ambient temperature in fully flexible operation min.:-35 °C
- Ambient temperature in fully flexible operation max.: 60 °C
TRMC-J & TRM-J Cable 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 and indoors, resistant to ozone, UV and moisture
- Excellent flexibility
- Ozone, heat, oil resistant and flame retardant
TRMC-J Cable Technique Data
| Cores*Size (mm2) | Approx. Cable OD(mm) | Approx.Cable Weight(kg/km) | Maximum Conductor Resistance at 20℃(Ω/km) |
| TRMC- J 4Cx95mm2 | 60 | 7156.5 | 0.21 |
TRMC-J Cable Order Information
| Cores*Size (mm2) | Quantity | Length/Drum (m) | Drum Size (LWH)mm | Drum Quantity | Total Approx.Gross Weight(kg) |
| TRMC-J 4Cx95mm2 | 1500 | 500 | 2.21.22.2 | 3 | 11379 |
TEBAOFLEX CABLE GROUP Customer’s cable order sample
Tebaoflex Cable Group specializes in customizing premium have-duty rubber cables that fully comply with top global industrial manufacturing standards
✔ Industrial-Grade Reinforced Durability – Built with braided reinforcing layer and thickened heavy rubber sheath, resisting heavy mechanical extrusion, sharp friction, tensile damage and industrial slag erosion, perfectly fit mining equipment, port cranes.
✔ Full International Safety Certified – Strictly compliant with IEC, VDE and EU unified industrial cable norms, passed full electrical safety, flame retardant and environmental protection tests, zero leakage risk, safe for industrial power transmission and signal synchronous operation.
✔ All mining cable products support factory direct supply, third-party inspection and OEM bulk order service for global industrial client
TRM-J Rubber Cable Technical Parameter Data
| Size | Stranding power | Nominal thickness of insulation |
Nominal thickness of inner sheath |
Nominal thickness of outer sheath |
Approximate overall diameter of cable |
Approximate weight of cable |
| N x mm2 | mm | mm | mm | mm | kg/km | |
| trm-j 4×2.5 | 45×0.25 | 0.9 | 1.2 | 2 | 17.3 | 458 |
| trm-j 4×4 | 51×0.3 | 1 | 1.2 | 2 | 18.9 | 557 |
| trm-j 4×6 | 76×0.3 | 1 | 1.2 | 2 | 20.7 | 738 |
| trm-j 4×10 | 74×0.4 | 1.2 | 1.4 | 2.2 | 24.3 | 1065 |
| trm-j 4×16 | 116×0.4 | 1.2 | 1.6 | 2.5 | 27.9 | 1483 |
| trm-j 4×25 | 180×0.4 | 1.4 | 1.8 | 3 | 33.2 | 2130 |
| trm-j 4×35 | 254×0.4 | 1.4 | 1.8 | 3 | 35.5 | 2607 |
| trm-j 4×50 | 364×0.4 | 1.6 | 2 | 3.5 | 42.6 | 3536 |
| trm-j 4×70 | 514×0.4 | 1.6 | 2 | 3.5 | 46.8 | 4799 |
| trm-j 4×95 | 684×0.4 | 1.8 | 2.4 | 4 | 55.5 | 6322 |
| trm-j 4×240 | 1752×0.4 | 2.4 | 3.2 | 5 | 77.7 | 13727 |
| trm-j 7×2.5 | 45×0.25 | 0.9 | 1.2 | 2 | 21.1 | 696 |
| trm-j 7×4 | 51×0.3 | 1 | 1.4 | 2.2 | 24.6 | 952 |
| trm-j 7×6 | 76×0.3 | 1 | 1.4 | 2.2 | 26.1 | 1438 |
| trm-j 12×4 | 51×0.3 | 1 | 1.6 | 2 | 27 | 1100 |
| trm-j 16×1 | 29×0.2 | 0.8 | 1.2 | 3 | 24 | 800 |
| trm-j 19×4 | 51×0.3 | 1 | 1.6 | 2.5 | 33.2 | 1776 |
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