al-64296 diode modules and power supply , supply of items as per following specifications , switch mode power supply of makes: phoenix / omron / siemens / weidmuller / connectwell / lutze ( only ) , input: 100 to 240 vac , 50 hz , output: 24 vdc / 20 a , output voltage range: 23 to 27 vdc adjustable , efficiency: 89% , cooling: free air convection , mtbf: more than 4 lakh hours , approvals: ul508 listed , ul60950-1 , tuv en60950-1 , overload & overvontage protection: required , protection class: ip20 , output led: dc ok , output contact: built-in relay contact , mounting: din rail , operating temperature: 0 to 70 deg c . , phoenix make diode module for 20 amps dc power supplies redundancy as per given specifications ( 1 ) make: phoneix ( 2 ) model: quint-diode / 12-24dc / 2x20 / 1x40 ( 3 ) order number: 2320157 or equivalent ( 4 ) mounting: din rail