
3 Phase Secondary Injection Relay Test Set for Protective Relay Systems. High Precision Output: AC current accuracy 0.2 level, DC current accuracy 0.5 level for reliable testing. Multi-Function Voltage Output: 4-phase voltage output including multifunctional Ux for complex protection testing. Dual Operation Modes: Supports standalone LCD operation and computer control via Windows software. Rich Contact I/O: 8 switching inputs and 4 pairs of outputs, compatible with empty and potential contacts. OEM/ODM Support: Customization support available for OEM and ODM requirements. Comprehensive Protection Testing: Simulates instantaneous, permanent, and conversion faults for whole group testing. Integrated DC Power: Includes dedicated adjustable DC power output (110V/220V) for relay testing. High Cost-Effectiveness: Combines large instrument performance with small instrument pricing.