Electronic Timer (Time Relay Mfs) 110V Dc 0.05S To 300 Hours, Blinking Interval 2 Second Used For External Power Supply/Emergency Brake For Use In Lhb Type Ac Coaches Confirming To Rdso Specification Rdso/Pe/Spec/Ac/0184-2015 (Rev-1) Or Latest. Makes Shall Be As Per Rdso S Common Bom Viz Abb Catalogue No. Ct-Mfs.21, Siemens Catalogue No. 7Pv07231Az20, Schneider Catalogue No. Re22R2Mmw, L&T Cat. No. 2A8Dt6, Carlogavajji Cat. No. Dmb01Dm24, Phoenix Cat. No. Emd-Bl-2T-I-230-Pt, Dold Cat. No. Mk78