Northeast Frontier Railway

Northeast Frontier Railway has published Supply Of portable & heavy duty, igbt based single phase welding inverter for continuous stick welding with following technical specification: 1) main supply: 220 ?15% v ac, single phase, 50hz. 2) kva input power: 7.3, 3) current range: 20-200a, 4) pf(max): 0.90, efficiency (max): 85%, 5) ocv: 62v, 6) dimension (lxwxh): 345x150x245mm, 7) weight: 8kg. 8) enclosure class: ip21, 9) cooling: forced cooling, 10) arc force: adjustable similar to model no. arc 200i of esab make. make: esab or equivalent. note: material should be technically & dimensionally similar.. Last date of submission for this tender is 2026-08-12. This is a Soldering And Welding Machinery tender in Bongaigaon, Assam