Brushless Dc (Bldc) Swiveling Type Sensorless Railway Carriage Fan 400 Mm Sweep 110V D C Swiveling Type Ms Stand And Ms Gumble Ring As Per Is : 6680-1992, & Conforming To Rdso Specification No. Rdso/Pe/Spec/Tl/0021-2005 Rev.3 With Amendment No. 1 Or Latest, The Frp Blade Shall Be As Per Drg. No. Rdso/Pe/Sk/Tl/0108-2008 (Alt. 1) Or Latest. The Guard Shall Be Conforming To Drg. No. Icf/Sk-7-6-158 Coll-Ll Alt. G Or Latest (Ms). Supply From Icf/Rcf Approved Vendors (Bldc Fan)Only Will Be Accepted. [ Warranty Period: 30 Months After The Date Of Delivery ] ]