Customer Background
With the rapid growth of the electric vehicle (EV) industry, one of our international clients — a leading EV connector manufacturer — required a reliable testing solution to verify the temperature rise and short-time current withstand performance of their charging plugs and sockets according to IEC 62196-1 and related standards.

They were seeking a system that could deliver high accuracy, intelligent control, and stable long-term performance under heavy current load conditions.

Sinuo Solution
To meet these requirements, Sinuo provided the SNQC1006B-6500A, a high-performance Short-time Test Current and Temperature Rising Test System, developed specifically for EV plug and socket testing.

The system integrates automatic temperature control, real-time monitoring, and smart data processing, ensuring precise test results and full compliance with international standards.

Key Features & Advantages

• High Current Output
• Adjustable DC 200–6500A test current
• Stable output with fast response (within 1 second)
• Suitable for short-time high current and temperature rise tests

16-Channel Temperature Monitoring

• High-accuracy temperature measurement (±0.3% + 1°C)
• Supports multiple thermocouple types (K, T, E, J, etc.)
• Automatic ambient temperature compensation

Intelligent Control System

• Integrated industrial touchscreen computer
• PLC-based programmable operation
• Real-time display of temperature, current, and curve data
• Automatic data recording and export (CSV/XLSX formats)

Multiple Operation Modes

• Continuous Mode
• On/Off Mode
• Automatic Temperature Control Mode

Compliance

Fully meets IEC 62196-1 Ed.4CDV 2020, IEC 62916-2, and IEC 62916-3 standards — ideal for EV connector, charging interface, and electrical accessory testing.

Testing Applications

• EV plug and socket temperature rise test
• Contact resistance and voltage drop measurement
• Grounding contact short-time withstand current test
• Product quality inspection and R&D verification

Customer Benefits

• Reduced test time through automation and smart current control
• Improved accuracy and repeatability of temperature rise measurements
• Fully traceable data for product certification and quality audits
• Stable, safe, and efficient operation for long-term use

Result

After implementation, the client successfully conducted complete temperature rise and short-time current tests with precise and repeatable results.
This allowed them to accelerate product certification and improve testing efficiency, ensuring all EV connectors met IEC waterproof and current endurance standards before shipment.