Electrical Characteristics
Electrical characteristics apply over the full operating range of input voltage, output load (resistive) and baseplate temperature,
unless otherwise specified. All temperatures refer to the operating temperature at the center of the baseplate. Specifications apply
for AC mains having up to 5% total harmonic distortion.
MODULE INPUT SPECIFICATIONS
VI-ARM - 1
VI-ARM - 2
Parameter
Min Typ Max
Min Typ Max
Unit
Vac
Notes
Operating input voltage
Operating input voltage
Input undervoltage
Input surge withstand
AC line frequency
AC line frequency
Input current, rms
Input current, rms
Power factor
90
132
264
90
90
132
264
90
Autoranging (doubler mode)
Autoranging (bridge mode)
No damage
180
180
Vac
Vac
280
63
280
63
Vac
100ms
47
47
0
47
47
0
Hz
C-Grade
880
7.4
5.4
880
14.8
10.8
Hz
T-Grade
Amps
Amps
120Vac
0
0
240Vac
0.60
0.60
Typical line voltage condition
264Vac peak line, cold start
Inrush current
30
60
Amps
µF
Holdup capacitance
1600
3300
MODULE OUTPUT SPECIFICATIONS
VI-ARM - 1
VI-ARM - 2
Min Typ Max
Parameter
Min Typ Max
Unit
Watts
Watts
%
Notes
Output power
Output power
Efficiency, 120Vac
Efficiency, 240Vac
Output voltage
0
0
500
750
0
0
1000
1500
90-132Vac
180-264Vac
94
96
200
96
98
94
96
200
96
98
%
375
375
Vdc
90-264Vac
SAFETY SPECIFICATIONS
Parameter
Min
Typ
Max
Unit
Notes
UL 1950, CSA 22.2 No. 950,
Agency approvals
TÜV, VDE, EN60950, CE Marked
Isolation voltage (in to out)
Isolation voltage (I/O to baseplate)
Leakage current
None
1500
Isolation provided by DC-DC converter(s)
No filter
Volts, rms
µA
100
Vicor Corp. Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715
ARM, Autoranging Rectifier Module
Rev. 2.4
Page 2 of 12
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