AREVA MR625 insulation condition meter

AREVA MR625 insulation condition meter Isolation condition monitoring relay AREVA MR625 Isolation condition monitoring relay Isolation condition monitoring relay: MR 625 Features Isolation condition supervision of ungrounded current circuits Ambient current (with frequency from 40 to 400Hz) or Fixed current up to 250V Setting range: from 10 to 100kΩ LED to indicate standby status and operation of the relay Buttons: Testing and resetting; possibility of connecting- external control contacts LED line for signaling insulation status Current output 1mA for remote display Executive relay with two overcurrent contacts Operation with trip memory or automatic resetting on ground fault Power supply voltage Un: 230V AC (50/60Hz) Permissible supply voltage variations: (0.8-1.15)Un Power consumption: 6 VA at Un Max capacitance of supervised circuit: 10μF or 5μF or 1μF Trip time at 10kΩ and Cg=1μF (when changing resistance from to 0Ω ): 40s Internal impedance: Zi ≥ 80kΩ Internal resistance: Ri ≥ 80kΩ Measuring voltage: 15V