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5000A Primary Current Injection Temperature Rise Test System For Thermal Relay Testing
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Display & User Interface
A large LCD screen clearly displays real-time data including current, temperature, time, status, and operational prompts for intuitive and easy reading.
The full English interface with touch-screen control ensures simple, intuitive operation adaptable to diverse application scenarios.
Calibration & Control
Features a fully digital calibration system, eliminating outdated potentiometer adjustments. This enables precise, convenient calibration and control on-site.
Incorporates status alerts and step-by-step operational guidance, allowing users to perform tests proficiently without constantly referring to the manual.
Testing & Timing Functions
Automatically evaluates and displays test results (Pass/Fail), accompanied by distinct audible alerts for immediate result identification.
Includes a pause function during automatic current ramping, allowing interruption at any point for observation. Pause duration is user-controlled.
Offers flexible test timing from 0 seconds to 20 hours.
Auto-Timing: Automatically starts/stops timing during automated tests, resetting the device upon completion.
Manual Timing: User-initiated timing during manual control, with automatic device reset when time elapses.
Operational Modes
Manual Control Mode: Provides traditional button-controlled current increase/decrease. The system auto-detects limits and includes over-current protection, allowing full user control over the test procedure.
Features a Current Hold Function in manual mode, locking the output at a specific value when activated.
Automatic Control Mode: Intelligently regulates current fluctuation, automatically slowing the ramp rate as the current approaches its target value for precise settling.
Reliability & Safety
Employs combined hardware and software anti-interference technologies for exceptional stability and resilience. No system crashes, screen blackouts, or display blurring occur during operation.
Ensures real-time, accurate, and reliable protection, triggering immediately in response to faults such as over-current conditions.
Rated capacity: 5kVA*3
Input current: AC 0-6.96A*3
Output voltage: AC 0-10V *3
Output current: AC 0-500A *3
Voltage accuracy: 0.5%FS±3digit.
Current accuracy: 0.5%FS±3digit.
Timing range: 0s-20h.
Timing: can be set by operator according to demand.
Power supply: AC415V, 50Hz±1Hz (3-phase 4 wire)





