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The CUI Inc. VMS-450B-24-CNF is an enclosed AC-DC power supply designed for various applications, including medical. It offers a continuous output power of up to 450W with forced air cooling and 250W with convection cooling.
This power supply operates with a universal input voltage range of 100-240 Vac and features power factor correction, achieving a typical efficiency of 91%. Key electrical specifications include a 24 Vdc output voltage and 18.8 A maximum output current. It also provides a 12 Vdc fan output and a 5 Vdc auxiliary standby output.
Protection features include over-voltage, over-current, over-temperature, and short-circuit protection. The unit is certified to IEC/EN/UL 60601-1 safety standards and meets various compliance requirements such as EN 60601-1-2 for EMC.
With a chassis mount type, the VMS-450B-24-CNF has dimensions of 127.0mm x 86.6mm x 50.0mm. Its operating temperature range is -20°C to 70°C with derating.
The output voltage is 24Vdc nominal with a maximum output current of 18.8A.
The input voltage range is 100-240Vac (90-264Vac full range) at 50/60Hz.
It is certified to IEC/EN/UL 60601-1 and complies with EMC standards including EN 60601-1-2.
The operating temperature range is -20°C to 70°C with derating.
It includes over voltage protection (150% shutdown), over current protection (130% auto-recover), short circuit protection (auto-recover), and over temperature protection (shutdown).
The typical efficiency is 91%.
The dimensions are 127.0mm x 86.6mm x 50.0mm (5.00" x 3.41" x 1.97").