Digital monitoring relay for residual current monitoring (with converter 3UL22) Setting range 10-100% of transformer rated value separate for warning threshold and switch-off value 90 to 690 V AC 50...60 Hz AC ON delay and tripping delay 0.1 to 20 s Shutdown hysteresis up to 50% Warning hysteresis 5% fixed 2 change-over contacts with or without fault buffer screw terminal Successor product: 3UG4625-1CW30 with transformer 3UL23