Universal Printed Circuit Board (Pcb) For Bldc Railway Carriage Fans Confirming To Rdso Spec Ification No. Rdso/Pe/Spec/ Tl/0021/2005 (Rev-3) With Amendment No.1 Or Latest. The Pcb Shall Be Confir Ming To Clause 4.4 To 4.4.7 Of Rdso Specification. Only Icf/Rcf Approved Venders To Quote For Supply To Thi S Item. [ Warranty Period: 30 Months After The Date Of Delivery ] ]