AC/DC Withstand Voltage Test Equipment for High Voltage Testing

*DC output is available with the AC/DC test transformer configuration.

Other voltage and capacity combinations can be customized according to the test object and technical requirements.

[Need a Different Voltage or Capacity? Contact Our Engineers]

• Power-frequency AC withstand testing
• AC or AC/DC test transformer configuration
• Multiple kVA and kV combinations
• Oil-immersed, dry-type and gas-filled options
• Overcurrent protection
• Zero-position start protection
• Voltage and current monitoring
• Test timer: 1 s–99 h
• Audible and visual alarm
• Customized voltage, capacity and accessories

Control Unit
Provides voltage regulation, voltage/current monitoring, timing and protection functions.

High-Voltage Test Transformer
Available configurations:

• AC test transformer
• AC/DC test transformer
• Oil-immersed type
• Dry type
• Gas-filled type

Optional Accessories

• Standard high-voltage divider
• DC microammeter
• Protective spark gap
• Discharge rod
• Protective water resistor
• High-voltage filter capacitor

AC Test Transformer
For projects requiring power-frequency AC withstand testing, such as transformer, switchgear and circuit breaker testing.

AC/DC Test Transformer
For projects requiring both AC withstand testing and DC high-voltage testing. DC testing can be equipped with a DC microammeter for leakage-current measurement.

If you mainly perform AC power-frequency withstand testing, an AC configuration may be sufficient. If both test modes are required, select the AC/DC configuration.

The required configuration mainly depends on:

• Test Object: Transformer / Switchgear / Circuit Breaker / Bushing / Insulator
• Test Voltage: ___ kV
• Capacity: ___ kVA
• Test Mode: AC / DC / AC+DC
• Transformer Type: Oil / Dry / Gas
• Power Supply: AC 220 V / AC 380 V

Not sure about the required capacity? Send us your test object and required test voltage — our engineers can recommend the appropriate configuration.

[Get a Configuration Recommendation]

Beyond standard configurations, the HZD1601 can be built to your specific brand and project requirements — including custom voltage and capacity combinations, control panel branding and logo, housing color, and packaging under your own brand.

If you're a distributor or partner looking to supply this equipment under your own brand, visit our OEM / ODM page for full customization options, or contact us directly with your requirements.

16+ Years of Manufacturing
Professional manufacturer of electrical testing equipment since 2010, with long-term cooperation with State Grid Corporation of China and China Southern Power Grid.

Wide Specification Range
Multiple standard kVA and kV configurations are available.

Custom Configuration
Voltage, capacity, transformer type, control unit and accessories can be customized.

Complete Test System
Control unit, high-voltage test transformer and optional accessories can be supplied as a complete solution.

Technical Support
Engineers assist with equipment selection and configuration according to the test object.

No. 5 kVA / 50 kV is a commonly used configuration. The system is available in many other kVA and kV combinations.

Yes. It is designed for high-voltage withstand testing of power transformers and other electrical equipment.

Yes. It can be configured for withstand testing of circuit breakers, switchgear and related insulation systems.

No. The standard AC configuration is for power-frequency AC withstand testing. An AC/DC transformer configuration is available when DC testing is also required.

Yes. Test voltage, capacity, transformer type, control unit and accessories can be customized.

Yes. The HZD1601 is available with OEM/ODM customization, including branding, panel design and packaging under your own brand. See our OEM/ODM page for details.

Test object, required test voltage, capacity if known, AC/DC requirement, power supply and test location.

Need a power-frequency AC withstand test system for a transformer, switchgear or circuit breaker?

Send us:

• Test Object:
• Required Test Voltage:
• Capacity:
• AC / DC / AC+DC:
• Test Location:

Our engineers will recommend the suitable test transformer, control unit and accessories.

{Request a Quote}

Email: fionahuang60@gmail.com
WhatsApp: +86 18071531810

Wuhan Hongzhi Gaocetest Electrical Technology Co., Ltd. (HKVTEST) is a manufacturer of electrical and power testing equipment with 16+ years of manufacturing experience, providing long-term technical cooperation with State Grid Corporation of China and China Southern Power Grid, alongside project partners across multiple international markets.

We provide high-voltage test equipment and customized testing solutions for power utilities, substations, electrical equipment manufacturers, laboratories, contractors and maintenance teams.