Electronic Timer (Time Relay Mfs) 110 V Dc 0.05 S To 300 Hrs, Blinking Interval 2second And Used For External Power Supply/Emergency Brake Of Lhb Type Ac Coaches As Per Abb Catalogue No. Ct Mfs.21, Siemens Catalogue No. 7 Pv07231 Az20, Schneider Catalogue No. Re22 R2 Mmw, L&T Cat. No. 2 A8 Dt6, Carlogavajji Cat. No. Dmb01 Dm24, Phoenix Cat. No. Emd Bl 2 T I 230 Pt, Dold Cat. No. Mk7850 N And Luetze Makes Only Acceptable, Place Of Installation S1 K18 As Per Bill Of Material And Confirming To Rdso Spec. No.