6MD2311-1DC00-0AB6 - Siemens
NON DIRECTIONAL EARTH FAULT INDICATOR, WITH LED INDICATION, DUAL POWERED WITH AUXILIARY SUPPLY : AC 110 - 230V ±20%, DC 12-24V ±20% AND INTERNAL BATTERY WITH 2 BINARY OUTPUTS, 3 BINARY INPUTS INCLUDING 1 GROUND CURRENT SENSOR (TYPE 2) 25A-250A , DIAMETER : 90-140mm 10% ACCURACY WITH 16M SENSOR WIRE