supply of electric motor / 2022-23 , description , suitable for operation on 415 v+6%v 3 ph, 50 c / s ac supply conforming to is-325 / 1978 and amended upto date of insulation class c / f ( a ) tefc squirrel case induction motor ( b ) tefc slipring induction motor ( c ) spdp slipring induction motor ( d ) spdp squirrel case induction motor ( e ) vertical hollow shaft motor suitable for v.t. pumping set ( f ) vertical solid shaft motor suitable for centrifugal machine ( g ) special crane duty motor ( wound / cage ) , screen protected drip proof type slipring induction motor suitable from 415 v+6% v / 3 ph horizontal foot mounted motor as per is:325 and ammended upto date with class b insulation suitable for ambient temp. 400c - ( a ) 250 hp 10 pole - with 10% slip , screen protected drip proof type slipring induction motor suitable from 415 v+6% v / 3 ph horizontal foot mounted motor as per is:325 and ammended upto date with class b insulation suitable for ambient temp. 400c - ( b ) 250 hp 6 pole - with 10% slip , screen protected drip proof type slipring induction motor suitable from 415 v+6% v / 3 ph horizontal foot mounted motor as per is:325 and ammended upto date with class b insulation suitable for ambient temp. 400c - ( c ) 300 hp 6 pole - with 10% slip , screen protected drip proof type slipring induction motor suitable from 415 v+6% v / 3 ph horizontal foot mounted motor as per is:325 and ammended upto date with class b insulation suitable for ambient temp. 400c - ( d ) 350 hp 8 pole - with 10% slip , screen protected drip proof type slipring induction motor suitable from 415 v+6% v / 3 ph horizontal foot mounted motor as per is:325 and ammended upto date with class b insulation suitable for ambient temp. 400c - ( e ) 400 hp 8 pole - with 10% slip , screen protected drip proof type slipring induction motor suitable from 415 v+6% v / 3 ph horizontal foot mounted motor as per is:325 and ammended upto date with class b insulation suitable for ambient temp. 400c - ( f ) 450 hp 8 pole - with 10% slip , screen protected drip proof type slipring induction motor suitable from 415 v+6% v / 3 ph horizontal foot mounted motor as per is:325 and ammended upto date with class b insulation suitable for ambient temp. 400c - ( g ) 500 hp 8 pole - with 10% slip , screen protected drip proof type slipring induction motor suitable from 415 v+6% v / 3 ph horizontal foot mounted motor as per is:325 and ammended upto date with class b insulation suitable for ambient temp. 400c - ( h ) 550 hp 8 pole - with 10% slip , screen protected drip proof type slipring induction motor suitable from 415 v+6% v / 3 ph horizontal foot mounted motor as per is:325 and ammended upto date with class b insulation suitable for ambient temp. 400c - ( a ) 250 hp 10 pole - with 15% slip , screen protected drip proof type slipring induction motor suitable from 415 v+6% v / 3 ph horizontal foot mounted motor as per is:325 and ammended upto date with class b insulation suitable for ambient temp. 400c - ( b ) 250 hp 6 pole - with 15% slip , screen protected drip proof type slipring induction motor suitable from 415 v+6% v / 3 ph horizontal foot mounted motor as per is:325 and ammended upto date with class b insulation suitable for ambient temp. 400c - ( c ) 300 hp 6 pole - with 15% slip , screen protected drip proof type slipring induction motor suitable from 415 v+6% v / 3 ph horizontal foot mounted motor as per is:325 and ammended upto date with class b insulation suitable for ambient temp. 400c - ( d ) 350 hp 8 pole - with 15% slip , screen protected drip proof type slipring induction motor suitable from 415 v+6% v / 3 ph horizontal foot mounted motor as per is:325 and ammended upto date with class b insulation suitable for ambient temp. 400c - ( e ) 400 hp 8 pole - with 15% slip , screen protected drip proof type slipring induction motor suitable from 415 v+6% v / 3 ph horizontal foot mounted motor as per is:325 and ammended upto date with class b insulation suitable for ambient temp. 400c - ( f ) 450 hp 8 pole - with 15% slip , screen protected drip proof type slipring induction motor suitable from 415 v+6% v / 3 ph horizontal foot mounted motor as per is:325 and ammended upto date with class b insulation suitable for ambient temp. 400c - ( g ) 500 hp 8 pole - with 15% slip , screen protected drip proof type slipring induction motor suitable from 415 v+6% v / 3 ph horizontal foot mounted motor as per is:325 and ammended upto date with class b insulation suitable for ambient temp. 400c - ( h ) 550 hp 8 pole - with 15% slip , cooling by separate cooling fan driven by 3 ph , dc motor - frame rpm ip / ic mounting , dc motor - a-300 kw / 400 hp 315 m 1500 21 / 061 m 1001 , dc motor - b-375 kw / 500 hp 355m 1500 21 / 061 m 1001 , dc motor - c-520 kw / 700 hp 400 m 1000 21 / 061 m 1001