IEC 62368-1 Clause 5.4.9 Figure 29 Solid Insulation Electric Strength Test Device

The LS-B25 solid insulation dielectric strength testing device is engineered to evaluate the dielectric strength of various insulating materials and verify compliance with international safety standards under specified voltage conditions. This precision instrument employs standardized test probes in conjunction with an insulating base to position test specimens at optimal test configurations and apply calibrated test voltages. It replicates the electric field environments encountered by insulating materials in operational applications, detecting potential insulation failures such as edge breakdown or dielectric puncture.

During testing, the device accommodates multiple test configurations to address the diverse requirements of different insulation material types, providing objective data for quality assessment and performance validation. This ensures that electrical and electronic equipment maintains reliable insulation performance, thereby mitigating potential safety hazards associated with insulation failure.

Compliance Standards

• IEC 62368-1:2023 – Audio/video, information and communication technology equipment – Part 1: Safety requirements
• UL 1310 – Standard for Power Units Other Than Class 2
• GB/T 4943.1-2022 – 信息技术设备 安全 第 1 部分：通用要求 (Information technology equipment safety – Part 1: General requirements)

Technical Specifications

• Test Probe Mass: 50g (compliant with IEC 62368-1 and GB/T 4943.1), 100g (compliant with UL 1310)
• Test Probe Diameter: 5mm (compliant with IEC 62368-1 and GB/T 4943.1), 6.8mm (compliant with UL 1310)

Typical Applications

• Insulation material manufacturers conducting dielectric strength verification of solid insulation materials during production quality control
• Information technology equipment manufacturers performing quality validation tests on internal insulating components
• Third-party testing laboratories providing dielectric strength compliance testing services according to IEC, UL, and GB/T standards
• Research and development departments evaluating candidate insulation materials during electronic product development phases
• Quality supervision authorities conducting random inspections of insulation material compliance with safety standards