supply of direct on line starter (c&w item)direct on line starter (c&w item),direct on line starter with 2 sets of 3 pole / 4 pole contactors (2 sets ac contactor coils, 25 a mp each), each set controlled separately by 415v. 50hz ac contactor coils. one set of contactor coil is to b e controlled by the forward direction of rotation through an inching type push button and the other set thro ugh another inching button to control the reverse direction of 7.5 hp, 3phase,50hz, 415volts, ac motor. th ere must be electrical interlocking contact to prevent both set of contactors to close simultaneously. each o f above push buttons should have one normally closed auxiliary contact and one stop push buttons are req uired. the starter shall be complete with over load, shall be wired and shall be provided with power plug an d socket with locking arrangement. each starter is to be provided with 2 nos. power plug and sockets and 2 nos. of control plug and sockets. maximum dimension of the starter should not excessed 280mm (b) x 36 0mm (l) x 162mm (t). material specification: is:13947 pt.-4 sec.-1, 1993, make: bch or siemens or havell s or jeevan or schnieder or l&t or similar. [ warranty period: 30 months after the date of delivery ] ]