supply of supply and installation of ohe power presence/absence.supply and installation of ohe power presence/absence.,supply and installation of ohe power presence/absence indicator as per model no.ss402 of m/s .samadhan or equivalent. each set consists of items as follows: (i) sensor mount with guard, qty-01 no . (ii) sealed sensor, qty -01 no. (iii) connecting cable of length 5meters, qty-01 no. (iv) display cum power supply unit with working input voltage 180v to 250v ac qty-1no. and display unit should be able to indicat e power on/off and sensor failure, qty-01no. (v) connecting cable 2 of length 5 meters. qty-01 no. with at tached annexure -a. make - m/s samadhan or equivalent. [ warranty period: 30 months after the date of delivery ] ]