National Aluminium Company Limited

National Aluminium Company Limited has published Bids Are Invited For Snubber Circuit Esp#1,3,4 Thyristor Capsule Protecting Snubber Circuit Including The Resistance R1(A+B) And Capacitor C1(A+B) Elements. R1 Should Be W.W. Resistor 100-Ohm 15 W Ceramic Encased With 4 No.S With Terminals Integrated On The Board. C1A Should Be Paper Condensor 0.22 Mfd, 2000 V Dc, Pcb As Per Hr-208. , Over Voltage Protector Esp#1,3,4 Overvoltage Protection For 415V Ac Including The Resistance R2 And Capacitor C2 Elements. Resistance R2 Should Be W.W. Resistor 100-Ohm 75 W Ceramic Encased. Capacitor C2 Should Be Metalized Polypropylene Condenser 5 Mfd +/- 10%, 800 V Ac With Bottom Stud For Mounting. , Milliampere Potential Divider. Esp#1,3,4 Ma Meter Potential Divider With Variable Resistor And Fixed Resistor Including R3 And Rv1 Elements. R3 Should Be Carbon Resistor 1 Kohm, 5%, 1W. Rv1 Should Be W W Trimpot 1 K Ohm, 5%, 1W Mounted In Pcb As Per Hr206. , Over Voltage Protection. Esp#1,3,4 Ovp-1 For 24V System. Over Voltage Protector As Per Hr-303. It Should Have 3 Terminals As Given In Drawing. Total Quantity : 109. Last date of submission for this tender is 2026-05-06. This is a Railway Ancillaries tender in Koraput, Odisha