supply of portable induction heater , portable induction heater for dismounting of inner race of bearing from 4.5/25 kw alternator shaft. as per precision instruments model no. pihr 20 or equivalent in hitech, mildsteel, vel electronics or similar make. specifications: (1) input power supply: 3-phase, 415 v, 50 hz.; (2) output frequency maxi mum 30 khz.; (3) capacity 12 kva; (4) cooling: forced air cooling.; (5) power control from 0% to 100%. (6 ) heating mode: temperature and time mode.; (7) temperature control: 0-to-250-degree c.; (8) sensing ac curacy: +- 5%.; (9) accuracy: +- 0.1%.; (10) time controls: adjustable as per selection. [ warranty perio d: 30 months after the date of delivery ] ]