supply of commissioning of earth leakagecommissioning of earth leakage,supply, installation, testing & commissioning of earth leakage detector as per rdso/spn/25 6/2002 with latest amendments. the basic detector unit shall comprise of 12 channels, for use on signaling circuits of 110v ac/dc and/or 60v/24v/12v dc as ordered by purchaser. if the detector is required for less number of channels, dummy plates shall be provided. for additional requirement addon/expandable cabin et may be used. the voltage specified shall be provided with +25 and -10% tolerance. note: rdso item id: 3100010 (warranty period : upto 30 months from the date of delivery.) [ warranty period: 30 months aft er the date of delivery ] ] => limited