High-voltage flexible rubber cable designed for demanding industrial power applications
This highly flexible single-core rubber cable is engineered for medium-voltage power distribution in demanding industrial environments such as traction systems, switchboards, and submersible pump installations. It uses fine-stranded tinned copper conductors with durable EPR insulation and a rugged CPE rubber sheath, delivering reliable electrical performance, mechanical protection, and long-term durability. Designed to operate at voltages up to 3.3 kV and temperatures up to +110 °C, it ensures safe, efficient, and stable power transmission even in harsh conditions.
Key Features
- 3.3 kV Medium-Voltage Rating: Supports AC voltages up to 1.9/3.3 kV and DC voltages up to 2.85/4.95 kV, making it suitable for industrial and heavy-duty electrical systems requiring stable high-voltage power delivery.
- Highly Flexible Class 5 Tinned Copper Conductors: Fine-stranded tinned copper construction provides excellent flexibility, conductivity, and corrosion resistance, ensuring reliable performance in dynamic or vibration-prone installations.
- Durable EPR Insulation with CPE Rubber Sheath: Premium insulation and outer sheath materials provide superior electrical protection, abrasion resistance, and long service life in harsh industrial environments.
- Wide Operating Temperature Range: Designed for flexing applications from −25 °C to +110 °C and fixed installations from −35 °C to +110 °C, ensuring dependable operation in extreme environmental conditions.
- Submersible and Moisture Resistant: Suitable for submersible use up to 300 metres, making it ideal for underwater pumps and wet industrial applications requiring reliable insulation integrity.
- UV, Oil, and Chemical Resistance: Resistant to UV radiation, oil, and varnish exposure, ensuring long-term durability and protection in outdoor and industrial environments.
- Flame-Retardant and Abrasion-Resistant Design: Provides enhanced safety and mechanical protection, reducing the risk of damage, fire hazards, and operational failures.
- Flexible Installation Capability: Minimum bending radius of 5× cable diameter when flexing and 4× when fixed enables easier installation in tight or confined spaces.
Engineered for reliability, flexibility, and durability, this cable ensures safe and efficient power delivery in demanding industrial and high-voltage applications.
| Electrical Specifications | |
|---|---|
| Nominal Voltage (AC) | 1.9/3.3 kV |
| Nominal Voltage (DC) | 2.85/4.95 kV |
| Temperature Range (Flexing) | -25°C to +110°C |
| Temperature Range (Fixed) | -35°C to +110°C |
| Construction | |
| Conductor Type | Class 5 fine-stranded tinned copper |
| Insulation Material | EPR (Ethylene Propylene Rubber) |
| Sheath Material | CPE rubber compound (5GM3) |
| Cable Type | Single core flexible rubber cable |
| Mechanical & Environmental | |
| Submersible Rating | Up to 300 metres |
| Minimum Bending Radius (Flexing) | 5 × cable diameter |
| Minimum Bending Radius (Fixed) | 4 × cable diameter |
| Resistance Properties | UV resistant, oil resistant, varnish resistant, abrasion resistant |
| Safety Features | Flame retardant |
| SKU | RAL.SDI-3.3KV-CABLES |
| Brand | Ralos |
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