Vicor Westcor PFC MegaPAC Power Factor Corrected AC-DC Switchers User Manual
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UG:105
vicorpower.com
Applications Engineering: 800 927.9474
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Manufactured at Westcor, a division of Vicor, the entire family of MegaPAC power
supplies is completely user-configurable. If output requirements change, i.e., more
power or a different output voltage is needed, upgrading is easy: simply unlock a
single screw and replace the slide-in ConverterPAC assembly with one that is of
the same length and has the desired voltage power rating. For additional flexibility,
ConverterPACs can be connected in parallel to increase output power (booster
ConverterPACs), or in series for higher voltages (total output voltage should not exceed
400 V). The driver is to the left of the boosters when looking at the output end of the
supply. A user-friendly interface provides control and output sequencing capability
(see page 30 for more information about this capability), in addition to useful status
indicators. Please consult our Applications Engineering Department if you have other
special requirements.
Standard Features
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Power Factor Correction; 0.99 at 115 Vac, 0.95 at 230 Vac - both at full load (47-63Hz)
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Universal Input: 85-264 Vac, 47-500 Hz, or 100-380 Vdc
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Power Outputs:
Standard Chassis: 1,600W at 230 Vac
High Power Chassis: 2,400W at 230 Vac
1,200W at 115 Vac
1,200W at 115 Vac
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Outputs:
Standard Chassis: Up to 32 outputs
High Power Chassis: Up to 32 outputs
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Fan Cooled
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Full power to 40°C; half power to 60°C
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Soft start for limiting inrush current
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Conducted EMI meets FCC class A and EN 55022 class A
Some configurations meet Class B. Consult Factory
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Harmonic Distortion to EN61000-3-2
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RoHS compliant available
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Output Sequencing and General Shutdown
(Refer pg. 25. Consult Applications Engineering for automatic sequencing circuitry.)
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Overcurrent protection on all outputs
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Overvoltage protection and Overtemperature limiting on all ConverterPAC outputs
(not applicable with VI-J00)
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Size: 3.4”H x 6.0”W x 12.4”L (313,9mm x 152,4mm x 309,mm)
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Safety Agency Approvals: cURus, cTUVus, CE Mark
Optional Features
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DC OK status signal
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Current Share Boards - see pages 26 - 28
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Output voltage adjustment range with built-in potentiometer
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Low Leakage Version available upon request - see page 29
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-40C operation
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Conformal Coating (contact factory)