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The LRS-200-4.2 is an enclosed AC/DC converter from Mean Well USA with a 4.2V output and 168W rated power. It provides a rated current of 40A over a 0-40A current range and supports an output voltage adjustment range of 3.3-4.2V. The input voltage range is 90-132VAC or 180-264VAC, selectable by switch, with a frequency range of 47-63Hz.
Electrical characteristics include typical efficiency of 86%, line and load regulation of ±1%, and no-load power consumption below 0.75W. Protection features include short circuit, over load, over voltage, and over temperature. Isolation withstand voltage is 3.75kVAC between input and output. The converter uses free air convection cooling and is tested with a 100% full load burn-in.
The unit is chassis mount and enclosed in a 1U low-profile package measuring 215.0mm x 115.0mm x 30.0mm. It operates over -25°C to 70°C and at altitudes up to 5000 meters. MTBF is rated at 230,000 hours, and the product carries a 3-year warranty.
The output voltage is 4.2V, adjustable from 3.3V to 4.2V.
The converter is chassis mount and enclosed in a 1U low-profile package.
The operating temperature range is -25°C to 70°C.
The rated current is 40A, with a current range of 0-40A.
The input voltage range is 90-132VAC or 180-264VAC, selectable by switch, at 47-63Hz.
Short circuit, over load, over voltage, and over temperature protection are included.
Typical efficiency is 86%.