20202-WAM1-ASN --- First AC electric locomotive to break into the scene of Indian Railway with Road Number 20202 -- built by Siemens, Brown-Boveri, Alsthom, Krupp, Kraus-Maffei, Schneider-Westinghouse, La Brugeoise Et Nivelle, SFAC (Group for Study & Electrification of Railways at Single Phase 50 cycles). It was imported in November 1958 by the Indian Railways and was dedicated to service of the nation on 1st January 1959. It marked the introduction and advent of 25 KV AC traction on the Indian Railway Map. This four axled, 74 ton loco comes with Bo-Bo bogie type arrangement, powered by 2840 hp engine, Spring-borne Force-ventilated fully suspended AEC-Alstom- Siemens MG 710A traction motors, Monomotor bogies with air brakes for loco & vacuum train brakes as original equipment. Regenerative braking was also provided while the motors are permanently connected in parallel. Speed was controlled by transformer taps. Also four water-cooled Ignitrons Rectifiers were present. This loco was fitted with Faiveley AM-12 pantos.

Framed by Rudranil RoyChowdhury at Howrah Railway Museum on 27th June 2016.