35kv Single Core Three Core Cold Shrink Cable Terminal Head High Voltage

35kv Single Core Three Core Cold Shrink Cable Terminal Head High Voltage

The 35kV cold shrink cable termination kit is a high-performance medium-to-high voltage cable accessory designed for XLPE power cable systems. It uses advanced pre-expanded silicone rubber technology that automatically shrinks into position once the support core is removed, ensuring fast installation, reliable insulation, and long-term electrical stability.

This product is widely used in power transmission and distribution systems, including substations, renewable energy plants, and industrial power networks.

Key Features

1. Cold Shrink Technology – No Heat Required

The termination is pre-expanded in a factory-controlled state on a removable support tube. During installation, the core is simply pulled out, and the silicone rubber body shrinks uniformly to form a tight seal around the cable. This eliminates the need for heat guns or open flames, making installation safer and more efficient.

2. High-Quality Silicone Rubber Insulation

Made from premium-grade silicone rubber with excellent dielectric strength, UV resistance, and anti-aging properties. It maintains stable performance even under harsh outdoor conditions such as humidity, pollution, and salt fog.

3. Optimized Electrical Stress Control

Built-in stress control cone ensures uniform electric field distribution at the cable termination point, significantly reducing partial discharge risk and improving long-term operational reliability at 35kV voltage level.

4. Superior Waterproof & Environmental Protection

The integrated sealing structure provides excellent moisture resistance and environmental protection. Once installed, it achieves high-level sealing performance suitable for underground, outdoor, and coastal environments.

5. Wide Cable Compatibility

Compatible with both single-core and three-core XLPE power cables, suitable for copper and aluminum conductors with multiple cross-sectional size options.

Application Areas

The 35kV cold shrink cable termination kit is widely used in:

• Power transmission and distribution substations
• Underground urban cable networks
• Wind power and solar photovoltaic power stations
• Industrial facilities (mining, metallurgy, chemical plants)
• Power generation plants
• Rail transit and infrastructure projects

Advantages Compared to Heat Shrink Termination

• No heating tools required → safer installation
• Faster installation time → improves efficiency by up to 50%
• Consistent sealing performance → factory-controlled expansion
• Reduced labor skill requirements
• Lower maintenance cost over lifecycle

FAQ

Q1: What is the main difference between cold shrink and heat shrink cable terminations?

Cold shrink uses pre-expanded silicone rubber that contracts naturally after removing the support core, while heat shrink requires a heat source to shrink the material. Cold shrink is safer and faster.

Q2: Is this termination suitable for outdoor installation?

Yes. The silicone rubber material provides excellent UV resistance, weather resistance, and long-term outdoor stability.

Q3: What cable types are compatible with this product?

It is designed for 35kV XLPE insulated single-core and three-core power cables with copper or aluminum conductors.

Q4: Does installation require special tools?

Only basic cable preparation tools and crimping tools are needed. No torch or heat gun is required.

Q5: What is the expected service life?

Under normal operating conditions, the service life can exceed 20 years.