05%/°C for 5V output 0.04%/°C for 12V & 15V output 0.02%/°C for 24, 28, 48, 100, 150, 200 and 250 volt outputs Operating temperature: -25° C to +70° C ambient. No heat sink is required. Storage temperature: -55° C to +125° C Isolation: 100 megohms min. @