Varistor Overload Tester โ IEC 62368-1 Annex G.8.2.2 Varistor Overload Test Equipment
Varistor Overload Tester delivers IEC 62368-1 Annex G.8.2.2 compliant overload and TOV validation for OEMs and certification laboratories.
- Voltage Regulator: 0โ600V adjustable, accuracy ยฑ1.5%
- Test Resistances: R1 (16รVr) to R7 (0.25รVr) with precise current values
- Support for Vr: 220V and 240V systems
- Test Functions: Overload (G.8.2.2) and Temporary Overvoltage (G.8.2.3)
- Control System: PLC with touch screen operation
- Chamber Size: 900 ร 800 ร 1550 mm
- Standards Compliance: IEC 62368-1:2020 Annex G.8.2.2
- MOQ: 1
- Delivery Period: 30 days
Varistor Overload Tester Description
IEC 62368-1 Annex G.8.2.2 Standard Varistor Overload Tester with 900*800*1550mm Size
The Varistor Overload Tester is a professional test system manufactured by KingPo. It is specifically designed to perform the overload test (Annex G.8.2.2) and temporary overvoltage (TOV) test (Annex G.8.2.3) required for metal oxide varistors (MOVs) used in audio/video, information and communication technology equipment under IEC 62368-1.
Why This Varistor Overload Tester is Ideal for OEMs and Certification Laboratories๏ผ
- Large-scale manufacturers and accredited testing laboratories require precise, repeatable and fully traceable varistor safety testing to comply with the latest hazard-based standard IEC 62368-1. This tester provides selectable resistance networks (R1 to R7) for accurate simulation of overload conditions at 1.25รVr to 2รVr, together with a 0โ600V adjustable voltage regulator (ยฑ1.5% accuracy). It enables comprehensive evaluation of varistor behavior under single-fault conditions, ensuring that potential ignition sources are properly safeguarded. The system supports both 220V and 240V rated equipment, making it ideal for global certification programs and high-volume production quality control.
KingPo Factory Advantages
KingPo is an ISO 9001, ISO 14001 and ISO 45001 certified manufacturer specializing in safety testing equipment for audio/video and IT products. We have delivered numerous Varistor Overload Testers to leading OEMs, certification laboratories and testing organizations worldwide. Every system undergoes rigorous factory calibration and is supplied with comprehensive documentation, on-site installation guidance, a full one-year warranty and lifetime technical support from our Dongguan facility.
Professional Construction & Technical Precision
Key features include:
- Precision resistance network (R1โR7) for exact current simulation (0.125A to 8A)
- 0โ600V adjustable voltage regulator with ยฑ1.5% accuracy
- Robust 900 ร 800 ร 1550 mm chamber with 304 stainless steel construction
- PLC touch screen control for programmable test sequences and automatic data logging
- Comprehensive safety interlocks and emergency stop
These technical elements ensure high accuracy, excellent repeatability and full compliance with IEC 62368-1 Annex G.8.2.2 and G.8.2.3 requirements.
Technical Parameters
Core Test Parameters
| Parameter | Specification | Remark / Notes |
|---|---|---|
| Voltage Regulator | 0โ600V adjustable | Accuracy ยฑ1.5% |
| Test Voltage (Vr) | 220V / 240V | 2Vr = 440V / 480V |
| Resistance Network | R1 (16รVr) to R7 (0.25รVr) | Precise current values from 0.125A to 8A |
| Test Functions | Overload (G.8.2.2) + TOV (G.8.2.3) | Full varistor safety evaluation |
| Chamber Dimensions | 900 ร 800 ร 1550 mm | Compact yet spacious for various varistor sizes |
| Parameter | Specification | Remark / Notes |
|---|---|---|
| Control System | PLC with touch screen | Programmable test sequences and data logging |
| Power Supply | AC220V ยฑ10%, 50/60Hz | Stable industrial power |
| Safety Protections | Over-voltage, overload, emergency stop | Comprehensive operator and equipment protection |
The Varistor Overload Tester supports critical stages: R&D validation of new varistor designs, certification testing for IEC 62368-1 compliance, production quality control of surge protective components, and failure analysis of varistor behavior under fault conditions. It helps manufacturers ensure varistor safety, reduce potential ignition sources and accelerate product certification.
Procurement Benefits
Integrated precision resistance network and voltage regulator delivers consistent, repeatable results with minimal operator intervention. Robust industrial-grade construction ensures long-term reliability. This Varistor Overload Tester strengthens IEC 62368-1 Annex G.8.2.2 validation and minimizes quality risks. Contact us today for your quote โ we will respond within 24 hours with detailed technical specifications and pricing.
Varistor Overload Tester Applications
- Audio/Video and IT Equipment โ Varistor safety verification
- Surge Protective Devices โ Overload and TOV testing
- Power Supply Manufacturers โ Component qualification
- Certification Laboratories โ Compliance testing per IEC 62368-1
- R&D Departments โ Optimization of varistor performance under fault conditions
Compliance & Regulatory Assurance
This equipment is strictly designed and manufactured in accordance with IEC 62368-1 Annex G.8.2.2 for varistor overload testing. It provides a controlled environment to simulate overload conditions (1.25รVr to 2รVr) and temporary overvoltage (TOV) scenarios for accurate evaluation of varistor safety performance, thereby ensuring long-term reliability and fire-hazard protection in audio/video, information and communication technology equipment.
For comprehensive technical guidance on varistor testing, overvoltage protection UL IEC 62368-1 Testing and Certification.
Calibration certificates are available at additional cost. Regular verification of voltage accuracy, resistance values and timing is recommended to maintain traceability.
Technical Inquiry for Precision Varistor Overload Tester
KingPo specializes in safety testing equipment for audio/video and IT products. If you require precise IEC 62368-1 Annex G.8.2.2 varistor overload and TOV testing, our engineering team can provide customized configurations and technical support.
The Core Value We Deliver to You
- Precision resistance network for exact overload simulation
- 0โ600V adjustable regulator with ยฑ1.5% accuracy
- PLC touch screen for programmable test sequences
- Robust 900ร800ร1550 mm chamber with safety interlocks
- Full compliance with IEC 62368-1 Annex G.8.2.2
- Reliable support for global certification programs
Tell us your varistor specifications or required test voltage range โ our engineering team will reply with tailored recommendations within 24 hours.
Varistor Overload Tester Detail
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