Regulated AC/DC power supply unit (SMPS PSU) - IECEx / ATEX / cCSAus Class I Div.2 compliant - Siemens (SITOP Smart series - PSU300S) - order code #6EP14372BA20 - Output 40A / 960W / 24Vdc-28Vdc - input 340-550Vac (380Vac / 400Vac / 415Vac / 480Vac / 500Vac / 525Vac nom.) (47...63Hz) (3-phase (3AC) input) - DIN rail mounting (150mm width) - Screw-clamp term. connections - with 1 x digital output (NO Normally Open contact) (DC output OK remote signalling) - UPC #040892656633