Rotary Change Over Switch 63 Amp., 440 Volts, 3 Pole, Two Position On(1-2),Two Position Off, 90 Degree Apart With Co Mplete Rotation, Base Mounted Type, Ac 23 Duty,Square Type, Having Fire Retardant Property With Ul 94 Grade V0 Suitable For U Se In Emergency Mode In Ac Sg Coaches, Make: L&T/ Salzer/ Kaycee /Switchon Only Or Any Other Rdso Approved. Note ? Firm Must Sub Mit Certificate Of Fire-Retardant Properties As Per Ul94 Grade V0 Along With Supply. [ Warranty Period: 30 Months After The Date Of Delivery ] ]