supply of 25 hp starter, electric cable, fuse required for maintenance of different rli scheme under bankura-i ( a-m ) sub-division under bankura ( a-m ) division under np / mtn programme 2022-23. , supply and delivery of 25 hp / 18.65 kw heavy duty air break star delta starter with short circuit protection for use with 415v ( +6% to -10% ) , 3 phase 50hz ( ±3% ) ac supply conforming to iec 60947 ( part-4 / sec-1 ) :2000 & is 13947 ( part-4 / sec-1 ) :1999 with latest amendment. starters shall consist of 4 pole heavy duty magnetic power contactor ac3 rated with encapsulated wide band operating coil ( 380-415 volt or suitable ) and thermal overload relay ( relay range: 17.4 to 24 amps or suitable ) with single phase preventer, timer and on / off controls.enclosure shall be of ingress protection class 54. , supply & delivery of copper pvc insulated ( heavy duty ) weather proof flat electric cables suitable for working upto and including 1100volts duly isi marked as per is no. 694 / 1990 and latest amendments 4c x 16.0 sqmm , supply & delivery of sheet metal enclosed rewireable type fuse, main switch, 415 v 3 v phase , 50 cycles a.c. supply conforming to is 60947 ( part-3 ) / 1993 for 63 amp tpn.