Zinc Oxide Varistor Block

Zinc Oxide Varistor Block is a premium quality electrical power equipment designed and manufactured by JINGUANELECTRIC®, a professional manufacturer and factory based in Nanyang, Henan Province, China.

With over 45 years of industry experience, JINGUANELECTRIC® has established itself as one of the most trusted suppliers in the global market, serving 1000+ customers in 50+ countries worldwide.

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Product Details

Zinc Oxide Varistor Block is a premium quality electrical power equipment designed and manufactured by JINGUAN ELECTRIC Co., Ltd., a professional Resistor Discs & Varistors manufacturer and factory based in Nanyang, Henan Province, China. With over 45 years of industry experience, JINGUAN ELECTRIC has established itself as one of the most trusted resistor discs & varistors suppliers in the global market, serving 1000+ customers in 50+ countries worldwide.

As a leading electrical equipment manufacturer, JINGUAN ELECTRIC operates a state-of-the-art production facility covering over 50,000 square meters, equipped with advanced CNC machining centers, robotic welding systems, automated assembly lines, and CNAS-accredited testing laboratories. Every Zinc Oxide Varistor Block undergoes rigorous multi-stage quality control including incoming material inspection, in-process monitoring, final product testing, and pre-shipment inspection, ensuring full compliance with IEC, GB/T, IEEE, and EN standards.

Technical Specifications

Parameter	Specification
Type	ZnO varistor block
Diameter	28mm ~ 160mm
Height	6mm ~ 60mm
Gradient Voltage	180V/mm ~ 250V/mm
Energy Absorption	≥ 150J/cm³
Application	Surge arrester core
Material	ZnO with rare earth additives
Standards	IEC 60099-4, GB/T 11032

Key Features & Advantages

Premium Materials: JINGUAN ELECTRIC uses only certified raw materials with full traceability and incoming quality inspection
Advanced Manufacturing: CNC machining, robotic welding, and automated assembly lines for precision and consistency
Comprehensive Testing: Every unit undergoes dielectric strength, partial discharge, temperature rise, and short-circuit testing
International Standards: Designed and tested to IEC, GB/T, IEEE, and EN standards with full documentation
Environmental Adaptability: Operates reliably in tropical, desert, arctic, and coastal environments with anti-corrosion treatment
Long Service Life: 25-30 year design life with minimal maintenance requirements
Factory-Direct Pricing: No intermediary markups with bulk order discounts and flexible payment terms
Custom Engineering: OEM/ODM support for voltage ratings, dimensions, and environmental requirements

Why Choose JINGUAN ELECTRIC as Your Resistor Discs & Varistors Manufacturer?

As a trusted Resistor Discs & Varistors manufacturer, JINGUAN ELECTRIC provides comprehensive solutions backed by 45+ years of industry expertise:

Manufacturing Excellence: 50,000 m2 facility with 200+ sets of advanced equipment and 100,000+ units annual capacity
Global Reach: Serving 50+ countries across Asia, Europe, Africa, Americas, Middle East, and Oceania
Custom Solutions: 100+ experienced engineers providing tailored design and OEM/ODM services
Timely Delivery: 15-60 days with regular production updates and flexible shipping options
Competitive Pricing: Direct factory pricing with T/T, L/C payment terms and volume discounts
Certified Quality: ISO 9001, CE, TUV, and RoHS certified with full quality documentation