With an MTBF (mean time between failures) value of more than a million hours, the new Sitop PSA 100E power packs are especially reliable and have a particularly long service life. The fan-free devices are suitable for ambient temperatures up to +70 degrees Celsius, and the efficiency level of up to 90 percent generates low heat loss. The compact metal housing can be snapped onto DIN mounting rails or it can be fixed with screws flexibly on three sides. The removable terminals simplify wiring before installation. The new devices can be used in many sectors and countries and have approvals in accordance with cULus, CB-Scheme and European directives.
Additional information can be found on the Internet at: www.siemens.com/sitop