( Emc Screens Description These EMC screens are approved to MIL STD 285.1956 (modified) and combine RF] screening with mechanical finger guard protection They are all designed to fit directly over the fan without any noticeable reduction in airflow or increase in fan noise The design features a welded mesh construction of thin nickel plated steel wire, which results in an overail screening effectiveness with only a 1% reduction in airflow, while meeting the required standard safety regulations Ordering Information Features * One piece steel construction * Welded mesh for high screening properties * Minimal obstruction to airflow * Negligible increase in fan noise Utilise existing hole fixing positions * Tested to MIL STD 285 1956 (medried} * Versions to fit standard fan sizes. Part No Fan size A B oi D PRF60 [ 60mm? 65 65 | 30 5 PRF80 | 80mm? 35 85 | 7s 5 ] r | PRF9O) | 92mm? 95 95 825 5 PRFI20 | 119mm2 (24 124 104.8 5 Mounting Method Cabinet wall A | DB =) | EMC fiiter | o All measurements in mm