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D32 Series High-Performance ZnO Varistor Discs

Our D32 series zinc oxide (ZnO) varistor discs deliver superior surge suppression and high energy handling capabilities. Engineered for reliability in industrial power systems, these discs provide fast, bi-directional protection against transient overvoltages, lightning strikes, and load switching events. Compliance with international standards ensures seamless integration into high-performance Surge Protective Devices (SPDs).

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  • High Energy Absorption: Optimized for heavy-duty industrial applications requiring robust surge dissipation.

  • Fast Response Time: Nanosecond-range reaction to transient overvoltages, ensuring maximum protection for sensitive downstream electronics.

  • Superior Reliability: Designed to maintain stable leakage current under continuous operating conditions, reducing failure rates.

  • Global Standard Compliance: Tested to meet IEC 61643-331 performance requirements, suitable for global markets.

mov production line of asiapower

Technical Specifications

 

Part NumberDiameter (mm)Thickness (mm)Ref. Voltage (kV)Current Impulse (kA)Rated Voltage (kV)
D32×2032±0.520±0.54.0–4.8703.24
D32×2432±0.524±0.55.0–5.8703.6
D32×3032±0.530±0.56.2–7.0704.5

Applications

 

  • Power Distribution: Surge protective devices (SPDs) and lightning protection systems.

  • Industrial Automation: Protection for motors, relays, and electromagnetic valves.

  • Power Supplies: AC/DC power conversion and industrial control systems.

  • Renewable Energy: Inverter protection in solar and wind power installations.

 

Ordering Information

 

  • Customization: We offer custom varistor voltage ranges to suit specific circuit requirements.

  • Quality Assurance: Every batch undergoes rigorous impulse testing before shipping.

  • Support: Our technical team provides expert selection advice and integration support for OEM/ODM projects.

material

zno

diameter

32mm

height

20mm,24mm, 30mm