Vicor 4kW MegaPAC AC-DC Switchers - Manual (Page 2)

UG:107 vicorpower.com Applications Engineering: 800 927.9474 Page 2
Standard Features
n Input: 3Æ 208/240 Vac Wye or Delta, 1Æ 180-264 (47-500Hz) or 260–352 Vdc
n Power Output: 3 Phase MegaPAC: 2,000W with 3Æ input; 1,200W
with 1Æ input; 1–20 outputs
4kW MegaPAC: 4,000W with 3Æ input; 1,500W
with 1Æ input; 1–20 outputs
n 10 slots (up to 20 outputs)
n Fan cooled (the 4kW MegaPAC has 2 fans)
n Full power to 45°C; half power to 65°C
n Power factor correction (passive) 0.92 PF (3Æ input)
n Conducted EMI meets EN 55022 Level A
n AC Power OK and AC Power Fail status signals
n Output Sequencing and General Shutdown
(Consult Applications Engineering for automatic sequencing circuitry.)
n Autosense (Refer to page 11 and page 15 for more information on Autosense)
n Overcurrent protection on all outputs
n Overtemperature limiting (not applicable with VI-J00 modules)
n Output overvoltage protection (not applicable with VI-J00 modules)
n Ride-Through time: >20 ms at nominal line (full load)
n Size: 4 kW MegaPAC: 4.9"H x 7.5"W x 14"L
(124,5mm x 190,5mm x 355,6mm) Regular chassis
Size: 3 Phase MegaPAC: 4.9"H x 7.5"W x 12.3"L
(124,5mm x 190,5mm x 312,4mm) Regular chassis
n Safety Agency Approvals: CE Mark, UL, CSA, TUV
Optional Features
n DC OK status signal
n Output voltage adjustment range with built-in potentiometer
n Reversed fan airflow direction
n Industrial-grade screening of output converters
n Current Share Boards - See page 27 and 28
Mechanical Considerations
The 3 Phase MegaPAC and 4kW MegaPAC can be mounted on any of four surfaces using
standard 8-32 or 4 mm screws. The chassis comes with four mounting points on each
surface; maximum allowable torque is 20 lb-in.
The maximum penetration is 0.15 in. (3,8 mm).
When selecting a mounting location and orientation, the unit should be positioned so
air flow is not restricted. Maintain a 2" minimum clearance at both ends of the 3 Phase
MegaPAC and 4kW MegaPAC and route all cables so airflow is not obstructed. The
standard unit draws air in at the fan side/AC input side and exhausts air out the load
side. If airflow ducting is used, use caution, as sharp turns could present back pressure
to the 3 Phase MegaPAC and 4kW MegaPAC. The fans move approximately 50 CFM of air
for the 4kW MegaPAC and 30 CFM for the 3 Phase MegaPAC. The 4kW MegaPAC has a
second fan for additional cooling capabilities.