3*40A 4*120V PC Relay Protection Tester with Customization and AC 220V±10% Power Supply Product Description XHJB634 microcomputer relay protection ......
XHJB612 Single Phase Relay Protection Tester for Accurate Secondary Injection Testing Main functions ☆Requires single-phase AC220V power supply, using ...
Electric Secondary Current Injection Relay Test Set 6 Phase Relay Protection Tester Product Description XHJB666 microcomputer relay protection tester ...