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Advanced Surge Protection
with Metal Oxide Varistors

TGE is a leading manufacturer of custom Zinc Oxide Varistors (MOVs), Surge Arresters, and ZnO Blocks for power systems, industrial components, and high-speed rail. Engineered for reliability, performance, and compliance with global standards.

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100kA+
Peak Surge Current Tested
30+ Years
Industry Experience
IEC & IEEE
Global Compliance

Trusted MOV Manufacturer Since 1990s

Xi'an Tiangong Electric Co., Ltd. (TGE) specializes in the research, development, and production of high-performance Metal Oxide Varistors (MOVs), ZnO Blocks, and Surge Arresters. With decades of engineering excellence, we deliver robust surge protection solutions trusted by power utilities, industrial systems, and transportation networks globally.

Our products are designed to meet stringent international standards including IEC, IEEE, and GB/T, ensuring compatibility and reliability in the most demanding environments.

  • Custom MOV & Arrester Design
  • OEM & ODM Support Available
  • Comprehensive Testing & MSA
Factory Equipment Production Line Testing Lab Quality Control

Our Product Range

High-performance MOV Blocks, Arrester Cores, and Surge Arresters for every application

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D30 Series MOV Block

For Distribution Arresters

  • High energy absorption
  • Stable leakage current
  • IEC/GB compliant
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D32 Series MOV Block

For Distribution Arresters

  • 100kA 4/10µs tested
  • Low residual voltage
  • High reliability
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D36 Series MOV Block

For Distribution Arresters

  • Optimized for energy
  • Low degradation rate
  • Long service life
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D41 Series MOV Block

For Substation Arresters

  • High voltage handling
  • Thermal stability
  • IEEE compliant
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D50 Series MOV Block

For Substation Arresters

  • Robust mechanical design
  • High creepage distance
  • Low power loss
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D70 Series MOV Block

For Line Surge Arresters

  • Outdoor durability
  • UV-resistant housing
  • Wide temperature range
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High Gradient MOV Block

For GIS Arresters

  • Compact design
  • High gradient capability
  • Gas-insulated compatibility
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TGE-MOA-DC Series

For DC Arresters

  • DC system optimized
  • Solar & rail applications
  • Reverse polarity protection
Arrester Core

PBT Arrester Core

Epoxy-based insulation

  • High dielectric strength
  • Moisture resistant
  • Lightweight
Arrester Core

Epoxy Glass Wound Core

High mechanical strength

  • High tensile strength
  • Thermal shock resistance
  • Long-term stability
Surge Arrester

TGE-MOA-A Series

IEC Standard Arresters

  • IEC 60099-4 compliant
  • Multiple voltage classes
  • Reliable performance
Surge Arrester

TGE-MOA-B Series

IEEE Standard Arresters

  • IEEE C62.11 compliant
  • High discharge capacity
  • Field-proven design
View Full Product Catalog

Engineered Solutions for Critical Industries

Custom surge protection for power, industrial, and transportation systems

Power & Energy

Protect substations, distribution lines, and renewable energy systems with high-capacity MOV blocks and arresters designed for long-term reliability under extreme conditions.

Industrial Components

Custom MOVs and varistors for industrial automation, motor drives, and control systems, ensuring uninterrupted operation and equipment safety.

Rail & DC Trains

Specialized DC arresters and surge protection for high-speed rail, metro systems, and locomotives, meeting stringent safety and performance standards.

Innovation in Surge Protection

Advanced materials, rigorous testing, and engineering excellence

Testing Equipment

Comprehensive Testing & Quality Assurance

Every MOV and arrester undergoes rigorous testing including high-current impulse, long-duration discharge, accelerated aging, and MSA analysis to ensure consistent performance and longevity.

  • • 100kA 4/10µs impulse testing
  • • 4/10µs and 8/20µs waveform compliance
  • • Thermal stability and leakage current monitoring
  • • MSA and statistical process control
  • • Full traceability and documentation
View Test Capabilities

Frequently Asked Questions

What is a Metal Oxide Varistor (MOV)?

A Metal Oxide Varistor (MOV) is a voltage-dependent resistor made primarily of zinc oxide (ZnO) grains. It acts as a surge protector by clamping transient overvoltages and diverting surge current away from sensitive equipment.

Can you customize MOVs for specific voltage requirements?

Yes, TGE offers full customization of MOV blocks including voltage rating, energy absorption, physical dimensions, and electrical characteristics to meet specific application needs.

Do you support OEM/ODM projects?

Absolutely. We provide comprehensive OEM and ODM services, including custom branding, packaging, and technical collaboration from design to mass production.

What standards do your products comply with?

Our MOVs and arresters comply with international standards including IEC 60099-4, IEEE C62.11, and Chinese GB/T 11032 and GB/T 32520, ensuring global compatibility and safety.

Get in Touch

Contact TGE for product inquiries, custom solutions, or technical support.

Phone
+86-29-84362608
Email
tge@xatge.com
Visit Official Website
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