supply of electronic timer (time relay mfs)electronic timer (time relay mfs),electronic timer (time relay mfs) 110v dc 0.05s to 300 hrs, blinking interval 2second and used for external power supply/em ergency brake of lhb type ac coaches as per abb catalogue no. ct-mfs.21, siemens catalogue no. 7pv07231az20, schneider catalogue n o. re22r2mmw, l&t cat. no. 2a8dt6, carlogavajji cat. no. dmb01dm24, electronic timer (time relay mfs) 110v dc 0.05s to 300 hrs, blinki ng interval 2second and used for external power supply/emergency brake of lhb type ac coaches as per abb catalogue no. ct-mfs.21, sie mens catalogue no. 7pv07231az20, schneider catalogue no. re22r2mmw, l&t cat. no. 2a8dt6, carlogavajji cat. no. dmb01dm24, phoen ix 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. rdso/pe/spec/ac/0184-2015 rev.1 and as per update of common bom items issued by rdso lr. no. el/ 7.1.108/mssbc, dt. 17/09/21 suitable for lhb type ac coaches switch board cabinet [ warranty period: 30 months after the date of deliver y ] ] => limited