GT5206A Digital RCD (ELCB) Tester Leakage Protection Switch Detector Testing InstrumentAU Plug 220V Item Type: Leakage Protector Tester Material: ABS Function Working Voltage (AC) Rated Working Current Fault Action Time (Maximum) Accuracy Operating Current Operating Time X1/2 230V (Error Range: -15%-10%) How e: Wiring check: Whether the three LED indicators are correct, P-E and P-N two green indicator lights are on, red indicator light is not on, it is correct: the test can be triggered only when the wiring is correct. OL display for over-range: When the test trip action time exceeds the maximum test time, the LCD will display OL mS; Phase angle selection: The test can be started from a positive (0 degrees) or negative (180 degrees) half cycle; Automatic data retention: keep the displayed measurement results for a certain period of time after the test is completed; AUTO RAMP test: AUTO RAMP test can test the tripping action current and action time at the same time. Built-in FUSE security protection;