Cincon TR220M 220W Single-Output Medical Switch Adapters are highly efficient (up to 94%), reliable, compact, high power density, AC-DC adapters. The TR220M devices are fully protected against short circuit and over-voltage conditions within a universal 80VAC to 264VAC input range. Operating within a -30°C to +70°C temperature range, the Medical Switch Adapters are available as Class I (TR220MA) or Class II (TR220MB) devices with cable lengths ranging from 950mm to 1800mm.