YH5WX-51/134E 35KV Suspended Gapless Line Lightning Arrester

The YH5WX-51/134E 35kV Suspended Gapless Line Lightning Arrester is designed for 35kV transmission and distribution lines, providing reliable protection against lightning and switching overvoltages. Its gapless zinc oxide varistor technology responds quickly to transient surges and helps limit excessive voltage, reducing stress on line insulation and connected equipment.

With a polymer housing and suspended installation design, the arrester is lightweight, durable, and well suited to outdoor transmission line structures. It provides reliable insulation performance in demanding environments and is a practical solution for improving the surge protection and operating stability of 35kV power networks.

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Description

Overview

The YH5WX-51/134E Series Zinc Oxide Lightning Arrester uses advanced ZnO varistor technology with a durable polymer housing to provide reliable overvoltage protection for transmission and distribution networks. It is designed to respond to lightning and switching surges, helping limit transient voltage and protect line insulation and connected electrical equipment.

Its polymer-housed construction provides reliable outdoor insulation and good resistance to environmental exposure. The series is suitable for high-voltage transmission lines, distribution systems, and other outdoor power applications where stable surge protection is required.

Operating Conditions

1. Altitude: ≤ 2000 meters;

2. Ambient Temperature: -40°C to +40°C;

3. Power Frequency: 48Hz-62Hz;

4. Maximum Wind Speed: ≤ 35 m/s.

Key Advantages

Effective Overvoltage Protection: The ZnO varistor elements feature strong nonlinear voltage-current characteristics, allowing the arrester to respond quickly to transient surges and limit excessive voltage. This helps reduce stress on line insulation and connected electrical equipment.
Durable Polymer Housing: The polymer housing provides good resistance to moisture, pollution, UV exposure, and other outdoor environmental conditions. Its lightweight construction also makes transportation and installation more convenient.
Low-Maintenance Operation: The gapless design reduces the need for routine maintenance and supports stable long-term operation. This makes the arrester suitable for outdoor transmission and distribution applications.
Flexible Installation: The series can be applied to 10kV–220kV AC power systems, depending on the specific model. It supports installation on transmission line suspension structures, poles, and other suitable mounting structures.

Technical Data

Item	Unit	Parameter
Rated System Voltage	kV	35
Rated Arrester Voltage		51
Continuous Operating Voltage		40.5
Nominal Discharge Current	kA	5
Residual Voltage at 8/20μs	kV	134
Steep Front Wave Discharge Voltage		148
Power Frequency Withstand Voltage		75
Creepage Distance	mm	1140