IEC 61008-1 Residual Current Operating Characteristic Tester For RCD Circuit Breaker Test

This test equipment conforms to the standard requirements of IEC 61009-1:2012, IEC 60898-1:2015, IEC 61008-1:2010, and related specifications. It is specifically designed for the automatic verification of the operating characteristics of miniature residual current circuit breakers.

The instrument is built on an ARM-7 high-speed processor and is equipped with a high-speed true RMS A/D converter, a DSS sine wave generator with mains tracking, and a power amplifier. It automatically outputs current and can perform tests such as operating current and operating time, making it an ideal device for verifying molded case residual current circuit breakers.

• 24-bit high-speed, high-precision true RMS AD conversion for accurate sampling of operating current and voltage
• High-speed processor for precise sampling of action time
• Supports the standard Modbus-RTU communication protocol
• Quick selection of operating current for conventional products, with separate setting for unconventional products
• 32-bit embedded processor for high-speed processing of large volumes of communication data
• RS232/485 full-rate asynchronous serial communication interface, with a maximum baud rate of 115200 bps
• Isolation protection for input and output signals ensures safe operation
• Software and hardware watchdog (WDT) design for system stability
• Configuration parameters are stored in flash memory, retained permanently and not lost when power is off
• Anti-jamming design in both software and hardware adapts to harsh electromagnetic environments
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The instrument supplies mains voltage directly to the test sample's voltage input terminal after switching and adjusting the range. Simultaneously, the signal board collects the mains frequency and phase synchronization to generate a sinusoidal signal, which is then amplified to obtain the simulated leakage current of the test sample and applied to it.

The main control board collects the test sample's input voltage, output voltage, and leakage current, then analyzes and calculates data such as the operating current and operating time through software. The principal diagram is shown below:

• [A/AC Type]:Switch between A and AC types.
• [Current Polarity]:Adjust the current polarity after entering the A-type operation interface.
• [Angle]:Adjust the angle (0°, 90°, 135°) after entering the A-type interface.
• [DC6mA]:Adjust ±6mA in the A-type interface.
• [Function Keys]:After entering the interface, adjust the starting ratio (starting current percentage), rise rate (test speed), manual/automatic switching, and address setting. Click the [knob] to select an item and rotate the [knob] to adjust it.
• [Calibration]:After entering, manually adjust the output current and compare it with the standard meter.
• [ABC Phases]:During 4P product testing, click to select which phase the leakage current is applied to (default is phase A).
• Time Multiplier:Used during time testing. The output current equals the current range multiplied by the [Time Multiplier] (default is 1; clicking again changes the multiplier).
• Current Range ±:Set on the touchscreen interface.
• Voltage Range ±:Set on the touchscreen interface.
• Current:Leakage current (gradual change) test interface.
• Time:Press once for the leakage time (sudden increase) test; press twice to enter [Closed Test], which tests closing and opening.
• Button:Test product button.
• Test:Start button in manual mode.
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