Employing two 3-speed fans, GSP500 series can continuously deliver full output power across -40 to +50°C and up to +70°C with derating. Nominal operation requires 12 cfm of forced air cooling, but up to 180 W output is possible with convection cooling only. Packaged in U channel chassis mount format, series include 3 models that provide nominal outputs of +12, +24, or +48 Vdc; +12 Vdc/0.3 A fan output is also provided. Products conform to medical and IT safety standards.