supply of limit switchlimit switch,limit switch oil tight and dust proof, die cast aluminum housing suitable for 415 volts (or abo ve), 50 hz, 10amp.ac supply for quick braking, spring loaded lever with roller 01no.+01 nc auxiliary conta ct with normal angular lever as per essen model type lsrs or bch catalogue code no.-llgs. mat specn. i s-2147/ 1962(or latest), ies: 60947-5-1, ip-65 or similar of make-bch or l&t or jeevan/schineider or sieme ns or essen. [ warranty period: 30 months after the date of delivery ] ] , two-way pendent type push button assly. with 2nos of normally open inching type push butt on (indicated up and down button), suitable for 415v (or above) 10 amps (or above) with cable entry arra ngement through upvc nipple as per siemens model no 3sb5802-8ac3 or similar. make:bch/schineider/si emens/essen/snt [ warranty period: 30 months after the date of delivery ] ] , (a) direct online starter with 2 sets of 3 pole / 4pole contactors (2 sets ac contactor coils, 25 amp each), each set controlled separately by 415v. 50hz ac contactor coils. one set of contactor coil is to be controlled by the forward direction of rotation through an inching type push button and the other set thr ough another inching button to control the reverse direction of 7.5 hp,3phase, 50hz, 415volts, ac motor. t here must be electrical interlocking contact to prevent both set of contactors to close simultaneously. each of above push buttons should have one normally closed auxiliary contact and one stop push buttons are re quired. the starter shall be complete with overload, shall be wired and shall be provided with power plug a nd socket with locking arrangement as shown in schematic drawing no. 1736/23 and1737/23 alt.-1. each st arter is to be provided with 2 nos. power plug and sockets, and 2 nos. of control plug and sockets. maximu m dimension of the starter should not excessed 280mm (b) x 430mm(l) x 175mm (t) irrespective of dime nsion. material spec.: is:13947 pt.-4 sec.-1, 19