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The RPS-400-27-SF from Mean Well USA is an enclosed AC/DC converter designed for reliable power conversion. It features a 27VDC output voltage and a rated current of 9.3A, delivering a total power of 251.1W. This converter supports a wide input voltage range of 80V~264VAC and offers high efficiency up to 94%.
Key specifications include a ±10% DC adjustment range, overload protection, and over-voltage protection. The unit is built to withstand voltages of 4KVAC (I/P-O/P), 2KVAC (I/P-FG), and 1.5KVAC (O/P-FG). It operates within a temperature range of -30°C to 70°C with derating and can function at altitudes up to 4000 meters.
Designed for demanding environments, the RPS-400-27-SF boasts medical safety approvals (2xMOPP) according to ANSI/AAMI ES60601-1 and IEC/EN60601-1, and MEMI for Class I & Class II configurations. Its compact dimensions of 6.29 x 3.38 x 1.69 inches make it suitable for various applications where space is a consideration. The converter also includes features like a 5Vdc standby output, 12Vdc fan supply, Power Good, Power Fail signals, and remote sense capability.
The input voltage range is 80-264VAC or 113-370VDC.
The output voltage is 27VDC and the rated current is 9.3A.
The power rating is 251.1W under convection cooling, 500W with forced air, and 550W peak for 3 seconds.
The operating temperature range is -30°C to +70°C with derating.
It is approved to 2xMOPP according to ANSI/AAMI ES60601-1 and IEC/EN60601-1.
It includes overload protection (105%-135% hiccup mode, auto-recovery) and over-voltage protection (115%-135% shut off, re-power on to recovery).