NLL-4 Tension clamp metal clamp bolt type clamp

Application: 

◆The clanp body is made of high strength aluminum alloy;

◆Smooth appearance, long service life;

◆Easy to install;

◆No hysteresis loss, certified energy-saving products.

◆1-10kV power frequency withstand voltage: ≥ 18kV, holding pressure for 1 minute without breakdown;

    20kV power frequency withstand voltage: ≥ 30kV, holding pressure for 1 minute without breakdown;

◆Insulation resistance:> 1.0 × 1014Ω;

◆Ambient temperature: -30 ℃ ~ + 90 ℃;

◆Weathering performance: Keep good performance after 1008 hours artificial weather aging test

Structural features：

1. Contact performance: big contact surface between clamp and conductor, constant clamping force, DC resistance ratio between 0.85 ~ 0.9；

2. 
   

2.Overload capacity: overload capacity to more than 2 times  bigger than the approved current；

3.Strong performance: high-strength materials, stainless steel bolts fastening, reliable connection, never fall off；

4.Thermal cycling performance: Good thermal cycling performance, always running at dc resistance ratio -1；

5.Installation: easy installation and disassembly, suitable for high altitude operations；

6.Energy-saving performance, the use of high-strength materials, special aluminum alloy, no electromagnetic loss, anti-corrosion, anti-oxidation.

Zhejiang Wanxie Power Technology Co., Ltd is a professional manufactuer which has 5 years OEM exprience. Our products sells mainly in Europe, America,South Africa and so on. Our company has products of all specifications and its major products are overhead insulator fittings, poleline accessories, power line fittings, pocelain insulators and so on. The company has a strong technological power, top-ranking production.and has got the certificate of International Quality System ISO9001.

1, Are you a factory?

We are a professional manufacture.

2, How about the payment terms?

Normally 30% deposit in advance, the balance should be paid before shipment.

3, How about delivery time?

Depend on your order quantity. We can finish order very fast.

4, Can I get a sample?

We can supply 1 or 2 samples for free, client only need to pay express fee.

5, Can you make it according to my drawing?

Of course, we can make various products according to your demands.