Electronic timer (Time relay MFS) 110V DC 0.05S 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. 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. MK7850N and Luetze makes only acceptable, place of installation S1K18 as per bill of material and confirming to RDSO Spec. No (Индия - Тендер #70740296)