Hai Da Labtester
Haida International Equipment CO.,LTD
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Product Overview
This restricted short-circuit test device is designed to verify the compatibility of protective grounding conductors and overcurrent protection devices (rated ≤25A) with fault currents up to 1500A, and to assess the integrity of supplementary safety protections.
It complies with Clause 5.6.4.1, 5.6.5.1, and Appendix R of IEC 62368-1:2018, EN 62368-1:2019, and GB 4943.1-2022, applicable to audio, video, information, and communication technology equipment.
Working Principle
The system uses an energy storage device to generate instantaneous high-current outputs. Discharge time and initial voltage are adjustable. After each discharge, the unit auto-recharges for subsequent tests. Discharge current is recorded and displayed as a current-time curve.
Key Features
Complies with IEC 62368-1, EN 62368-1, and GB 4943.1-2022
15-inch color touch LCD with built-in thermal printer
High-precision sensors and 14-bit AD conversion
User-friendly keyboard and touchscreen operation
Supports automatic/manual current ramp and fast-break tests
Real-time current and time monitoring
Overcurrent protection with adjustable current and timing limits
Grounding and zero-return detection for safe operation
Smart current control with auto-zeroing and alarms
Robust anti-interference design for harsh environments
Optional remote communication, door interlock, and voltage verification interfaces
Technical Specifications
Control System: PLC + touchscreen HMI
Test Stations: 1
Current Range: <25A
Max. Current: ≥1500A (customizable)
Discharge Time: 5–100 ms (adjustable)
Test Mode: AC/DC switchable
Discharge Voltage: Customizable
Timer: Configurable via touchscreen
Standard Includes: DC power supply, overcurrent protector, 4×3m test cables (2.5 mm²)
Functions: Adjustable discharge voltage/timing, overvoltage/overcurrent protection
Safety: Insulated connections, fault alarm system
Dimensions: 1250mm × 960mm × 1650mm (W×D×H)
Power Supply: AC 220V, 50Hz