supply of air brake direct on-line (c&w item)air brake direct on-line (c&w item),air brake direct on-line starter with 2 sets of 3 pole contactor, each set control separaterly by 415v, 50 hz, ac contactor coils. detail follows as : 01 set of contactor coil is to be controlled by the forward direction of rotation through an inching type push button and the other sets through another inching button to control the reverse direction of 5 hp, 3 phase, 50hz, 415 volts, ac motor. there must be electrical interlo cking contact to prevent both sets of contactors to close simultaneously. each of above push buttons shoul d have one normally closed auxiliary contacts and one stop push button are required. the starter shall be c omplete with over load, shall be wired and shall be provided with power plug and socket with locking arran gement. material specification is:8544(part-1), is:13947-4-sec-1, 1993. each starter is to be provided with 02 nos. power plug and socket and 02 number control plug and socket. maximum dimension 280 mm(b) x 360mm(l) x 162mm(t). make:bch or siemens or havells or jeevan or schneider or l&t or similar. [ warra nty period: 30 months after the date of delivery ] ]