Providing airflows up to 160 cfm, 1U high OA406 Series is suitable for narrow depth cabinets found in security, audio, and A/V applications. Fan tray can be ordered with additional universal 90-264 Vac input external power supply, or used with switching 12 Vdc rail as redundant power source. Bi-color LED alarm indication glows green under normal operating conditions and changes to red under alarm conditions. Featuring 16 Ga powder coated steel construction, fan tray operates from -10 to +50°C.