Polymeric Housed Zinc Oxide Surge Arrester Without Gaps | Reliable Lightning Protection for Power Distribution Systems

9kv Heavy Duty Lightning Arrester

The Polymeric Housed Zinc Oxide Surge Arrester Without Gaps is designed to provide effective lightning and overvoltage protection for power distribution and transmission systems. Using advanced gapless zinc oxide varistor technology, this polymeric surge arrester responds quickly to transient overvoltages, limiting surge energy and protecting electrical equipment. The polymer housing offers excellent insulation, lightweight structure, and strong resistance to pollution and aging, making this zinc oxide surge arrester without gaps ideal for outdoor applications.

Product Advantages：

1. Gapless zinc oxide technology for fast response

2. Excellent lightning and surge protection performance

3. Polymeric housing with high insulation strength

4. Lightweight design for easy installation

5. Strong resistance to pollution and moisture

6. Long service life with stable electrical performance

7. Reduced maintenance compared with gapped arresters

Features:

1. The Core column applied winding structure, Polymer Housed core pillar molded on the core column, with almost no internal air gap, and outstanding sealing performance Simple in structure, small in size and light in weight.
2. Polymer Housed with silicone rubber, explosion-proof ZnO varistor as the core component is large
in flow capacity.
3. International standard IEC 60099-4 and ANSI 62.22, and with high reliability. With fully insulated tops, the product can be applied to the complete cabinet installation, which can reduce the designing size of cabinet.
4. Products with detachment device can provide signals for quitting operation when failure occurs,
avoiding arrester explosion, and it is maintenance-free.
5. Polymer housed products with a six CTI level, creepage distance meets the requirements of IV level in heavy pollution areas.

Parameter：

Applications & How to Apply：

1. Overhead power distribution lines

2. Substations and distribution transformers

3. Outdoor electrical equipment protection

4. Power transmission systems exposed to lightning

5. Industrial and utility power networks

How to Apply :

• Install the polymeric housed zinc oxide surge arrester without gaps near transformers or line equipment to limit overvoltage.

• Connect the arrester securely to the grounding system for effective surge discharge.

• Use the gapless zinc oxide surge arrester in outdoor environments where fast response and high reliability are required.

• Inspect installation periodically to ensure stable operation.

Quality Assurance：

• Manufactured with high-quality zinc oxide varistors

• Strict quality control during production process

• Electrical performance tested before delivery

• Designed to meet power industry application standards

• Reliable long-term surge protection performance

FAQ：

Q1: What is the advantage of a gapless zinc oxide surge arrester?

A1: It provides faster response and better protection compared to gapped arresters.

Q2: Is this polymeric surge arrester suitable for outdoor use?

A2: Yes, the polymer housing offers excellent outdoor insulation and pollution resistance.

Q3: Where is this surge arrester commonly installed?

A3: It is installed near transformers, overhead lines, and outdoor electrical equipment.

Q4: Does the arrester require frequent maintenance?

A4: No, the gapless design reduces maintenance requirements.

Q5: Can it protect against lightning-induced overvoltage?

A5: Yes, it is specifically designed for lightning and surge protection.