The Major Tech Digital RCD/ELCB Tester 220V is a professional-grade testing instrument designed to verify the functionality and tripping time of residual current devices and earth leakage circuit breakers on site. It measures tripping times with 1ms resolution across a current range of 5–500mA, includes data hold, 180° phase angle selection, and correct wire indication for safe operation. Fully compliant with IEC 61010-1 CAT IV 300V and CAT III 600V standards, this tester is essential for electrical contractors, facilities managers, and maintenance technicians conducting safety inspections and compliance checks.
