Medical supplies work at high altitude
Furnishing output power of 600 W to 650 W, the OBR04 series offers single outputs with a choice of 12 different DC output voltages: 12 V, 15 V, 18 V, 24 V, 28 V, 30 V, 32 V, 34 V, 36 V, 48 V, 57 V, and 58 V. These output voltages cover a wide range of applications, from 12 VDC intermediate bus voltages to point-of-loads up to 58 VDC to power the latest power amplifiers. Depending on the output voltage, maximum output power starts at 600 W and rises to 650 W with a peak power level of up to 720 W.
An auxiliary 12 V output is provided for an additional fan, as well as a standby 5 V supply at 200 mA. Typical operating efficiency of the supplies is 90%. Input voltage spans 90 VAC to 264 VAC and includes active power-factor correction, typically 0.98.
The switch-mode supplies meet conducted and radiated EN55011 Class B standards without any additional components. Input-to-output isolation is 4000 VAC (2x MOPP), input-to-ground isolation is 1500 VAC (1x MOPP), and output-to-ground isolation is 1500 VAC.
Units are housed in an aluminum U-shape chassis with dimensions of 165.8×101.6×62.5 mm or in an enclosed box with a built-in fan. The OBR04 supplies achieve an MTBF of 190,000 hours at full load and 25°C per MIL-HDBK-217F requirements.
In OEM quantities, the OBR04 power supplies cost $195 each.
OBR04 series product page
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