Features: --The windshield hood at top keeps the internal from the contaminant. --The hot air is flowing upwards and the top-mounded type is designed just for this purpose, to expel the heated air efficiently. Airflow Data:--Unimpeded airflow:300 m3/h--Capacity free-flow:100 W/K--Airflow in combination(Filter fan+exhaust filter): 175m3/h--Capacity in combination(Filter fan+exhaust filter): 58W/K--Cutout dimension: 224x224mm, tolerance +1/-0--Noise level(DIN 45 635):58 dB(A) Eletrical data/Model# RT224-230 RT224-115 RT224-048 RT224-024 --Rated voltage:230V AC 115V AC 48V DC 24V DC --Range of operation 207 244V 103.5 126.5V 36 57VDC 16 28VDC--Frenquency50/60Hz 60Hz--Power consumption 32/33W 36W 43W 34W--Rated current 0.20/0.21A 0.24A 0.95A 1.4A--Duty cycle: 100%--Connection: crimp terminalSupplementary data:--Outside dimension: 125mm(H)X361mm(W)X361mm(D)--Construction:galvanized steel sheet; stainless steel cover is available on request --Weight: 3Kgs--Color: RAL 7035; other colors are available on request. --Protection category: IP33(EN 60 529)--Sealing: foam sealing--Approval: CE