Backward impeller plastic or galvanized steel,

Impeller diameter of 192 up to 337mm,

EC external rotor motor 230V50/60Hz and 120V50/60Hz,

Motorized wheel (RRE) or module with integrated inlet cone (RRM),

Integrated electronic,

Maximum airflow of 780 up to 3300m3/h, maximum pressure of 450 up to 700Pa,

CE, UL mark,

Options: impeller size, alarm signal, inlet cone.