supply of regulated ac/dc power supply , regulated ac/dc power supply unit (smps psu) 1. input voltage: 120/230v ac + /-10% 2. output voltage: 24v dc (adjustable to 24-28.8 v dc) 3. output current: 20 amps (4 80 watts) 4. mounting: 35mm standard din rail mounting 5. safety & protection: a. outpu t over voltage & overload protection. b. electronic short circuit protection c. built in incoming fuse 6. the bidder should submit the catalogue and detailed specification at t he time of bidding. 7. only original equipment manufacturers or their authorized deale rs to quote 8. warranty- 18 months from the date of supply or 12 months from the dat e of commissioning, whichever is earlier. [ warranty period: 18 months after the date of deliv ery ] ]