supply of mpcb for ventilation fan unit 1&2.mpcb for ventilation fan unit 1&2.,mpcb for ventilation fan unit 1&2, thermal release range (rated current): 2.5 - 4a, class-10, breaking capacity : 50ka, 3 pole, rated voltage : 415v ac, 1no+1nc auxiliary contact block as per rdso c ommon bill of material letter no.el/7.1.108/mssbc dt.17-09-21, annexure column no.1,sl.no.37, conformin g to column no.7.make :as per rdso common bill of material dt.17-09-21 i.e.abb cat.no.ms116-4/legrand/ schneider cat no.gv2me08+gvae11/l&t cat no.st418960000/siemens cat no.3rv2011-1ea10+3rv2901 -1e/eaton. [ warranty period: 30 months after the date of delivery ] ] , mpcb for ventilation fan unit 1&2, thermal release range (rated current): 2.5 - 4a, class-10, breaking capacity : 50ka, 3 pole, rated voltage : 415v ac, 1no+1nc auxiliary contact block as per rdso c ommon bill of material letter no.el/7.1.108/mssbc dt.17-09-21, annexure column no.1,sl.no.37, conformin g to column no.7.make :as per rdso common bill of material dt.17-09-21 i.e.abb cat.no.ms 116-4/legrand /schneider cat no.gv2me08+gvae11/l&t cat no.st418960000/siemens cat no.3rv2011-1ea10+3rv290 1-1e/eaton. [ warranty period: 30 months after the date of delivery ] ]