Wire AC/DC Current Carrying Temperature Rise and Voltage Drop Testing System

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The Automotive Wire AC/DC Current-Carrying Capacity Test System is designed to evaluate the thermal and electrical performance of automotive wires and connectors under both alternating current (AC) and direct current (DC) conditions. It enables simultaneous monitoring of conductor temperature, current, and voltage drop, ensuring automotive wiring systems meet industry safety and performance standards.

Application

(1) Record conductor temperature changes in connectors under a specified current.

(2) Record the current that flows through a conductor at a preset conductor temperature.

(3) Monitor voltage drop across the conductor during testing.

(4) Perform cyclic testing for long-term performance assessment.

(5) Support research and development, quality assurance, and regulatory compliance of automotive wiring systems.

Standards

(1) JASO D609:2001 – Electrical performance of automotive connectors.

(2) QC/T 29106, QC/T 1067.1, QC/T 417.1 – Automotive wire testing standards.

(3) TICW15 – Industry-specific connector and wire test requirements.

Technical Parameters

Parameter	Specification
Input Voltage	AC 380V ±10%, 50Hz
Load Power Supply	DC: Switching power supply; AC: Constant current source
Operating Current	AC: 0–1000 A, open-circuit voltage ≤10 V; DC: 10–1000 A, open-circuit voltage ≤10 V
Current Output Control	Computer programmable
Current Meter Accuracy	±1% + 3 digits
DC Voltage Drop Measurement	0.01 mV–199.99 mV / 0.1 mV–1999.9 mV (two ranges)
Timing Range	0–9999.99 H/M/S, automatic cut-off at set time
Temperature Measurement	8-channel standard, T1C, T2C, T3C, T1S, and ambient; Type-T 30AWG thermocouples
Temperature Control	Environmental chamber with 485 communication for monitoring and control
Chamber Effective Space	3000 × 500 × 500 mm
Chamber Door	Top-hinged lever structure
Built-in Connection	Copper busbars for sample connection
Communication Interface	485 interface, Excel report generation, storage, and printout
Software	Data acquisition software for AC/DC testing, recording current, voltage, and temperature curves
Computer	Brand PC included

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