supply erection and commissioning of amf panel for 250 kva dg set at babra pump house , supply, erection & commissioning of amf panel for 250 kva dg set at babra pump house. specification: automatic mains failure (amf) control panel, where applicable, shall be able to start up the dg set and transfer the load on to the dg set on mains failure without requiring any human intervention. similarly on restoration of mains supply, it shall be able to transfer the load to mains supply and switch off the dg set automatically. control panel should have protection against under voltage, over voltage, under frequency, over frequency, low battery voltage, over current, earth fault, short circuit ,phase sequence change etc. equipped with suitable voltmeter, ammeter, frequency meter, power factor meter, battery charger where battery is used, indicators, various switches and cut out /mcb/mccb/contactor/circuit breaker of all appropriate rating and accuracy class as per trade practice for better utility. pre treated and powder coated accoustic enclosure of crca sheet thickness of 1.6 mm ip rating of accoustic control panel( batter than ip-53) along with earthing and complete in all respect if any leftover items.