supply of contactor (with diode) for ventilation fancontactor (with diode) for ventilation fan,contactor (with diode) for ventilation fan unit 1 and 2 condenser, cd1.1, cd 1.2, cd 2.1, cd 2.2, heater 1 &2. rated current 16 a (at rated voltage & ac-3 utilization category), rated voltage 6 90 v ac, main pole 3 no, auxiliary contact 1 nc, control voltage 77-143 v dc with surge suppressor as rdso specification no. rdso/pe/ spec/ ac/ 0184-2015 (rev-1). make: m/s. abb cat. no. tal16-30-10+ rv5/250 or m/s. schneider cat. no. lc1d18fd or m/s. l&t cat. no. mdx25 or m/s. siemens cat. no. 3rt2 0181bf42+3rt29161jl00 only. [ warranty period: 30 months after the date of delivery ] ]