Installation Manual Model identifier GST220A(12/15/20/24/36/48)-R7B Input voltage 230Vac Input AC frequency 50Hz Output voltage 12.0/15.0/20.0/24.0/36.0/48.0 (V) Output current 15.0/13.4/11.0/9.2/6.1/4.6(A) Output power 180.0W for 12.0V, 201.0W for 15.0V, 220.0W for 20.0V, 221.0W for 24.0V, 219.6W for 36.0V, 221.0W for 48.0V Average active efficiency >88.0 % Efficiency at low load (10 %) >80.0 %(typ) No-load power consumption Model identifier GST280A(12/15/20/24/48)-C6P Input voltage 230Vac Input AC frequency 50Hz Output voltage 12.0/15.0/20.0/24.0/48.0(V) Output current 21.0/17.0/13.0/11.67/5.84(A) Output power 252.0W for 12.0V,255.0W for 15.0V, 260.0W for 20.0V,280.08W for 24.0V , 280.32W for 48.0V Average active efficiency >89.5% Efficiency at low load (10 %) >82.5% (typ) No-load power consumption