Railway Carriage Fan, 110 Volts Dc, 400 Mm Sweep, Fixed Type Brushless Dc (Bldc) (Sensorless), Conforming To Rdso S Specification No. Rdso/Pe/Spec/Tl/0021/2005(rev3 ) With Amendment No. 1 With Fan Guard As Per Icf Drg. No. Icf/Sk 7 6 158 Alt (G) Col Ii Or Latest. However, The Firms May Quote For Latest Specn./Drawing With Amendment If Any Issued By Rdso/Icf/Rcf. The Successful Tenderer Shall Supply Spare Pcb Cards Equivalent To 2 Percentage Of Ordered Quantity Of Bldc Fans, These Spare Pc Bs S