Tension service Clamp PA-25 analogs in China: STF, STC.

TENSION CLAMP PA-25 are designed for insulated service line with 2 or 4 conductors. Clamp is made of weather resistant and anti-UV material with high mechanical strength. Special designed buckle is used to prevent metal support slipping from clamp body. Easy installation, without any additional tool. No loose parts could fall off during installation.

There are many tension clamps supplier on the market, Jera Line is a leading manufacturer based in China, producing a full range of low voltage overhead cable products, including tension clamp with competitive price for low voltage overhead four core cables system, there is a tension clamp STC and service 4 core anchor clamp STF, which can be the analog of PA-25.

Comparison specification chart

• Key Features of tension clamp STC and STF

1. Easy to install with brackets, strappings, buckles and hooks available
2. Perfectly meet with anchor service clamp PA-25 specifications
3. Tool free installation with wedge sliding inside the body
4. Durable UV resistant polymer body with hot-dip galvanized steel hanger
5. Self-adjusting wedge design for service cable
6. Competitive price

Application Scenarios for Jera Line anchor clamps

At Jera Line, we manufacture a wide range of anchor clamps (tension clamps) designed for reliable and secure fixing of insulated conductors in low voltage (LV) and medium voltage (MV) aerial cable distribution networks. Our clamps ensure mechanical stability, safe load transfer, and long service life in outdoor conditions.

Typical Application Scenarios

1. LV Aerial Bundled Cable (ABC) Networks

Dead-ending of insulated service cables up to 1 kV.

2. Service Drops to Buildings

Reliable anchoring of service connections from the main distribution line to customer premises.

3. Street Lighting Systems

Supporting insulated service cables for public lighting networks.

Ensures long-term stability under varying weather conditions.

4. MV Covered Conductors (up to 36 kV)

Dead-ending and tensioning of covered overhead conductors.

Anchor clamps PA-2550 provide strong grip, vibration resistance, and reduce electrical stress.

5. Industrial & Utility Projects

Used in distribution cabinets, switchgear connections, and renewable energy systems (wind, solar farms).

Provide secure tensioning where conductor loads and reliability are critical.

Why Choose Jera Line as Your LV tension clamp for four core cable Supplier?

Jera Line is a comprehensive company combining both factory and trading operations. Specializing in low-voltage and medium-voltage cable infrastructures for over ten years, At Jera Line, we design, manufacture, and supply high-quality LV tension clamps specifically tailored for four-core service cables.

Key Reasons to Choose Jera Line:

• 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.
• Global Testing & Certification: Jera Line’s clamps are tested in in-house laboratory, some models of anchor clamps PA-1600, it was tested in independent EU laboratories with NFC-33041 standard.
• Minor Brands for Cost Efficiency : Minor brands often have more flexible product policies and provide more personalized customer service, while also enabling substantial cost savings. Jera Line’s products are highly cost-effective, boasting excellent quality.

Conclusion

Jera Line LV tension clamps provide the perfect balance of mechanical strength, quick installation, and long-term durability, making them an ideal choice for utilities, contractors, and distributors worldwide.

By choosing Jera Line’s LV tension clamps for four core cable as an alternative to PA-25, network operators gain a cost-effective, factory-direct solution that meets international standards and guarantees dependable performance for rural, urban, and industrial LV distribution networks.

Please don’t hesitate to contact us!