1813EL - ELCB Tester

System Voltage (50Hz Only) : 550V, 380V, 240V. Current Settings : 2-999mA ac/50Hz Current Selection : Knob. Phase Seart Selection Referenced to Earth : 0' and 180'. Operationg Voltage (L - E) : 110V Vac to 317 Vac. Timer Resolution : 1ms (MAX Time=19.999s)