Specifications

Specifications (Typical at 25°C, nominal line and 75% load, unless otherwise specified)

Input Characteristics

Input Voltage 85-264 Vac, 47-500 Hz

100-380 Vdc

Power Factor 0.99 @ 115 Vac

0.95 @ 230 Vac

Inrush Current 33A pk @ 115 Vac; 65A pk @ 230 Vac

Ride Through Time >20 ms at nominal line, full load

Power Fail >3 ms warning

Conducted EMI EN55022 Class B; FCC Class B

Surge Immunity EN 61000-4-5 Installation Class 3, Performance Criteria B

(Temporary loss of output power may occur which is self recoverable)

Dielectric Withstand Primary to Chassis GND = 2,121 Vdc

Primary to Secondary = 4,242 Vdc

Secondary to Chassis GND = 750 Vdc

Output Characteristics

Line/Load Regulation: Ist Gen: ± 0.2% max.10% to full load

± 0.5% max. No load to 10% load

Line Regulation* 2nd Gen:± 0.20% max. to 0.3% max LL to HL, Full Load

Load Regulation* 2nd Gen: ± 0.1% No load to full load

1st Gen Setpoint Accuracy* 1% for standard voltages; 2% for special or adjustable voltages

2nd Gen Setpoint Accuracy 1% for standard voltages; 2% for special, adjustable voltages and 48 Vdc

outputs

Ripple and Noise 0.15% or 10 mV p-p, whichever is greater, 75% min. load;

Output Trim Range 10% -110% of nominal voltage 2nd Gen modules

50% -110% of nominal voltage 1st Gen modules

90% -110% of nominal voltage 1st Gen modules 10-15V

Overcurrent Trip Point

105-125% of full load capability of 1st Gen modules

115% typical of full load capability of 2nd Gen modules

Overvoltage Protection 115-135% on QPAC and FinQPAC

Efficiency 80% typical

Output Power PFC MegaPAC-EL PFC MegaPAC-HPEL

1,600 W at 230 Vac; 2,400 W at 230 Vac;

1,200 W at 115 Vac

Note; Not to exceed an input

current of 15A.

Environmental Characteristics

Storage Temperature -40°C to 85°C

Altitude Derate 2.6% total output power for each 1,000 ft to a maximum operating

altitude of 15,000 ft. Non-operating storage maximum altitude is 40K

Pg 18 Vicor 800-735-6200 Westcor Division 408-522-5280 Applications Engineering 800-927-9474 Rev. 6/2004

PFC MegaPAC-EL/PFC MegaPAC-High Power Low Noise