supply of oltc for barc 50 mva supply of oltc for barc 50 mva , oltc for barc 50 mva-120746on load tap changer with motor drive mechanism & tie in resistorconforming as per the orderspecification sheet sg0100sc,tap changer specification sheet ed/aop15/120746/02 & technicalspecification as perpages 28~31max current: at least 350 a rated impulse withstand voltage (in kv ,1.2/50 ) : 550rated power frequency withstand voltage (in kv , 50 hz , 1 min): 230no. ofpoles : two preferablyof typem1 + m11 350y170/c 10 . 19 . 3w , item.2- spare for oltc barc 50 mva(a). oil surge relay - 1 no , item.2 - spare for oltc barc 50 mva(b).oltc motor-1 no , item.2- spare for oltc barc 50 mva(c). transition resistance- 1 set , item.2- spare for oltc barc 50 mva(d). oltc fixed contact - 1 set of contacts per phase , item.2- spare for oltc barc 50 mva(e). oltc moving contact - 1 set of contacts per phase , item.2- spare for oltc barc 50 mva(f).oltc motor belt/transmission gears - 1 set => limited