Product Description
Category: Flexible Cables
- Sub Category: Copper Cables 1.1 kV
- Main Characteristic: Heat, Oil Resistant with Good Thermal Properties
- Part No.: Ho7RN-F
- Approval: IS 9968/Pt-1/1988
Product Features:
- Easy to Handle
- Very Good Insulation Properties
- Long life
- High Temperature Tolerance upto 120C
- Low bend Radius
- Good fire Properties
- Oil Resistance
Construction:
- Class: 5 Stranded Tinned Copper Wire as per IS 8130
- Insulation: EPR as per IS 6380/1984
- Core Identification:
- Core: Red / Black / White
- Core: Red, Black
- Core: Red,Yellow, Blue
- Core: Red,Yellow, Blue and Black
- Inner Sheath: CR as per IS 6380/1984
- Outer Sheath: CR as per IS 6380/1984
Technical Data:
- Insulation Resistance: 3670 Mega-Ohm-CM
- Bending Radius: 8 X OD (OD = Overall Diameter of Cable)
- Voltage Rated: 0.6/ 1.0 (1.2 kV)
- Test Voltage: 3500 volts
- Temperature Range: -25C to + 90C
- Short Circuit Temp.: 250C
Variants:
POWER FLEXIBLE CABLES - COPPER
Table 1 Single core Rubber Insulated And Sheathed Flexible Cables according to IS:9968/Pt-1/1988
| Core Size | Stranding(Minimum No. of Strands) | Nominal Thickness of Insulation (mm) | Nominal Overall Diameter (mm) | Approx. Weight (kg/km) | Max DC Resistance at 20C | Current Rating (Amp) |
| SQ MM |
| 1 X 4.0 | 56/0.30 | 1 | 7.6 | 95.29 | 5.09 | 53 |
| 1 X 6.0 | 84/0.30 | 1 | 8.7 | 128.65 | 3.39 | 67 |
| 1 X 10.0 | 80/0.40 | 1.2 | 10.5 | 197.65 | 1.95 | 92 |
| 1 X 16.0 | 126/0.40 | 1.2 | 11.9 | 272.16 | 1.24 | 124 |
| 1 X 25.0 | 196/0.40 | 1.4 | 13.9 | 391.23 | 0.795 | 182 |
| 1 X 35.0 | 276/0.40 | 1.4 | 15.6 | 518.4 | 0.565 | 226 |
| 1 X 50.0 | 396/0/40 | 1.6 | 18.1 | 716.35 | 0.393 | 275 |
| 1 X 70.0 | 360/0.50 | 1.6 | 20.4 | 961.88 | 0.277 | 353 |
| 1 X 95.0 | 475/0.50 | 1.8 | 23 | 1244.11 | 0.21 | 430 |
| 1 X 120.0 | 608/0.50 | 1.8 | 25.2 | 1544.26 | 0.164 | 500 |
| 1 X 150.0 | 756/0.50 | 2 | 27.8 | 1899.5 | 0.132 | 577 |
| 1 X 185.0 | 925/0.50 | 2.2 | 30.6 | 2324.22 | 0.108 | 661 |
| 1 X 240.0 | 1221/0.50 | 2.4 | 33.9 | 2950.31 | 0.0817 | 781 |
| 1 X 300.0 | 1525/0.50 | 2.6 | 36.9 | 3596.18 | 0.0654 | 902 |
| 1 X 400.0 | 2013/0.50 | 2.8 | 41.6 | 4666.53 | 0.0495 | 1085 |
| 1 X 500.0 | 1769/0.50 | 3 | 45.9 | 5812.21 | 0.0391 | 1253 |
| 1 X 630.0 | 2257/0.50 | 3 | 50.3 | 7222.83 | 0.0292 | 1454 |
Robust Design for Extreme ConditionsThese flexible cables are constructed with durable EPR insulation and CR sheaths, offering outstanding resistance to abrasion, oils, acids, and various harsh chemicals. Their high flexibility and mechanical strength enable safe routing and performance in mobile and fixed applications, from mining sites to industrial plants.
Comprehensive Compliance and SafetyComplying with IS:9968, IEC 60502, BS 6004, and RoHS requirements, these cables are flame-retardant (IEC 60332-1) and water-resistant, making them suitable for environments exposed to moisture, direct sunlight, and outdoor elements. Optional features include tinned copper braiding for extra shielding and steel wire armoring for enhanced protection.
Versatile Installation and CustomizationAvailable in sizes ranging from 1.5 sq.mm to 400 sq.mm, lengths up to 500 meters, and with up to 37 conductors, these cables can be tailored to specific needs. Choose between black or custom colors, single or multi-core options, and optional armoring to fit your unique installation requirements.
FAQs of Cu Epr Cr Flexible Cables:
Q: How are Cu EPR CR Flexible Cables installed in different environments?
A: These cables are designed for both indoor and outdoor installations. Their superior UV, ozone, water, and oil resistance makes them excellent for environments such as mining, cranes, and tunneling operations. The flexible design allows for easy handling in mobile or fixed applications, with a minimum recommended bending radius of 6 times the cables overall diameter.
Q: What applications are best suited for these flexible cables?
A: Cu EPR CR Flexible Cables are ideal for use in harsh or demanding settings, including cranes, mining sites, tunneling operations, conveyor systems, and for trailing or reeling equipment. Their robust construction allows them to handle mechanical stress, moisture, and exposure to chemicals effectively.
Q: When should I choose an armored version of these cables?
A: Opt for steel wire armoring when mechanical protection is criticalsuch as in mining, heavy-duty trailing, or environments with risks of physical damage. Armoring enhances durability, helping to maintain cable integrity under severe conditions.
Q: Where can these cables be used regarding temperature extremes?
A: They operate reliably in temperatures from -40C to +90C, making them suitable for outdoor installation, cold storage, or industrial setups exposed to heat. Their storage temperature ranges from -40C to +60C, ensuring safe handling year-round.
Q: What are the main benefits of using Cu EPR CR Flexible Cables?
A: Key benefits include high flexibility for easy installation, resistance to oil, chemicals, and mechanical shocks, excellent flame retardance, and UV and ozone stability. These features ensure long service life and operational safety, even in hostile environments.
Q: How does customization work for size, core number, or length?
A: You can order cables with 1 to 37 conductors, sizes from 1.5 sq.mm to 400 sq.mm, and lengths up to 500 meters, depending on your projects requirements. Additional options like color, armored protection, and tinned copper braiding for EMI shielding are also available upon request.