Medium Voltage (MV) covered conductors — typically rated from 10 kV to 36 kV — require special fittings to support and anchor the conductor lines safely on poles or towers. Two key types of fittings are used for mechanical support:
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Tension Clamps: These clamps are installed at the ends of power line spans (e.g., at poles or towers) to absorb the mechanical tension of the conductor. They prevent the conductor from stretching, sagging excessively, or breaking under load—even in harsh weather conditions like strong winds or heavy ice.
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Suspension Clamps: Suspension clamps are placed at intermediate points along the span (between poles/towers). Their primary job is to “suspend” the conductor, supporting its weight and keeping it in the correct position. They also allow for slight movement of the conductor (due to temperature changes or wind) without damaging the insulation.
JERA LINE PA-2550: The Reliable Tension Clamp for MV Covered Conductors
The PA-2550 Tension Clamp is designed specifically for MV covered conductors, making it ideal for use in overhead power distribution lines. JERA LINE has focused on durability, ease of installation, and conductor protection with this product—key factors that make it a top choice for electrical contractors and utility companies.
Technical Specification
Applications of the tension clamp PA-2550
The PA-2550 tension clamp is suitable for a wide range of MV covered conductor applications, including:
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Overhead power distribution lines in residential and commercial areas.
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Industrial power systems (e.g., factories, warehouses) where reliable power transmission is critical.
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Rural power networks, where spans may be longer and weather conditions more severe.
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Coastal areas, thanks to its corrosion-resistant design.
JERA LINE PS-181: The Efficient Suspension Clamp for MV Covered Conductors
While the PA-2550 handles tension at span ends, the PS-181 Suspension Clamp takes care of intermediate support. JERA LINE has engineered the PS-181 suspension clamp to be lightweight, flexible, and effective at protecting MV covered conductors—making it a perfect complement to the PA-2550 tension clamp in complete MV systems.
Technical Specification
Applications of the suspension clamp PS-181
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Intermediate points along MV overhead power lines (between poles or towers).
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Urban power distribution systems, where space is limited and lightweight components are preferred.
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Areas with high UV exposure (e.g., deserts or open plains), thanks to its UV-resistant polymer.
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Projects that require quick installation, as the PS-181suspension clamp can be attached to poles/towers with minimal tools.
Why Choose Jera Line as Your Insulation Piercing Connector Supplier?
Jera Line is now an experienced manufacturer with large-scale production facilities who was established in 2012, . Choosing Jera Line, you will find the benefits as follows:
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Direct Factory Manufacturing: Jera Line operates a direct production facility in China, ensuring strict quality control, optimized costs, and consistent product availability, and also with competitive price.
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Capacity For Large-Scale Production
With a facility area of over 5,000㎡, Jera Line has the capability to carry out large-scale production and meet delivery deadlines. The workshops include: plastic injection moulding workshops, moulding and tooling workshops, press forming workshops, and an assembly workshop with skilled workers.
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Complete System Solution: Using the PA-2550 tension clamp and PS-181 suspension clamp together creates a complete support system for MV covered conductors. This compatibility ensures consistent performance across the entire power line, reducing the risk of mismatched components causing issues.
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Customer Support: JERA LINE provides excellent customer support, including technical guidance for installation and maintenance. Their team can help contractors select the right clamp sizes for their conductors and offer troubleshooting advice if issues arise.
Conclusion
Tension and suspension clamps are critical components in medium voltage (MV) covered conductor systems, ensuring both mechanical stability and electrical reliability of overhead power lines.
By choosing high-quality fittings — such as those engineered and tested by Jera Line — utilities and installers can achieve long-term performance, enhanced safety, and reduced maintenance costs in harsh outdoor environments.
Please don’t hesitate to contact us!
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