tender for set of rotary switches each set consist of 04 items ( 1) power supply on-off switch conformingto bill of material, annexure d of rdso specification no. rdso/pe/spec/ac/0184(rev-1) sr no. 6. (2) feederselection rotary switch with 0- position 3 pole rated voltage 690vac, rated current 16 amp with marking i-0-ii net-1, local main supply- net- 2 conforming to bill of material, annexure d of rdso specification no.rdso/pe/spec/ac/0184(rev-1) sr no. 7. (3) ammeter selection rotary switch with marking l1-l2-l3-0-l1-l2-l3 conforming to bill of material, annexure d of rdso specification no. rdso/pe/spec/ac/0184(rev-1) srno. 10. (4) voltmeter selection rotary switch with marking l1-l2, l2-l3, l3-l1 rated voltage- 1000 vacconforming to bill of material, annexure d of rdso specification no. rdso/pe/spec/ac/0184(rev-1) sr no.16.