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The Mean Well USA MSP-300-3.3 is a 198W enclosed AC/DC converter designed for medical and industrial applications. It delivers a single 3.3V output at 60A with a typical efficiency of 89%. The unit accepts a universal AC input from 85 to 264 VAC and also supports 120 to 370 VDC input.
Key electrical features include active Power Factor Correction (PFC) with a typical power factor of 0.99 at 115VAC and 0.95 at 230VAC. The converter offers comprehensive protection with overload protection (105-135% rated power), over voltage protection (3.96-4.62V), and over temperature protection with automatic recovery. Additional built-in functions include a DC OK signal, remote control, remote sense, and a 5V @ 0.3A standby voltage.
The MSP-300-3.3 is housed in an enclosed chassis-mount package measuring 199.0 x 105.0 x 41.0 mm. It is certified to medical safety standards IEC 60601-1, ANSI/AAMI ES60601-1, and CAN/CSA C22.2 No. 60601-1. EMC compliance includes EN55011 Class B and EN61000-4-2,3,4,5,6,8,11. The unit is backed by a 5-year warranty.
The output voltage is 3.3V DC with a rated current of 60A.
The input voltage range is 85 to 264 VAC, and it also supports 120 to 370 VDC.
The operating temperature range is -40 to 70 degrees Celsius with derating.
It complies with IEC 60601-1:2005+A1+A2, ANSI/AAMI ES60601-1:2005+A2, and CAN/CSA C22.2 No. 60601-1:2014+A2.
The typical efficiency is 89%.
It includes overload protection (105-135% rated power), over voltage protection (3.96-4.62V), and over temperature protection with automatic recovery.
The dimensions are 199.0mm in length, 105.0mm in width, and 41.0mm in height.