The CUS250M can provide up to 250W in -20 C to +50 C ambient temperatures when conduction cooled without external air. Operation at up to +80 C is also possible with appropriate derating. Utilizing 1m/s external airflow, or the optional integral fan, enables an output power of up to 125W at +70 C. This is possible as the power supplies have efficiencies up to 94%, generating less internal heat. Average efficiency, measured at 25, 50, 75 and 100% loads, is greater than 91%. Offload power consump..
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