supply of multi functional monitoring relay etc.multi functional monitoring relay etc.,multi functional monitoring relay 3 phase, 3 wire/4 wire with adjustable th resholdes, adjustable triping delay, monitoring of phase sequence and phase failure, v oltage monitoring (under and over voltage), installation 35 mm din rail conforming to standard en 60255-6, rated supply voltage 280-520v ac with self extinguishing propertie s as per rdso specification no. rdso/pe/spec/ac/0184-2015 (rev-1) & rdso letter no.: el/7.1. 1.108/mssbc, dtd 17.09.2021 to abb model no. cm-mps, 41s or carlo gavazzi model no. dpc 01dm48.400/480 or siemens model no. 7ugo818-1ca20 or schneider model no.rm22tr33 or dold model no. bd 9080.12 or phonex model no.mr-es-3 v-400 (1217805) or l&t model no. mg53bh. l&t mg53bh. [ warranty period: 30 months after the date of delivery ] ]