
cui.com
date 01/31/2018 │ page 3 of 10CUI Inc │ SERIES: VOF-300 │ DESCRIPTION: AC-DC POWER SUPPLY
SAFETY & COMPLIANCE
parameter conditions/description min typ max units
isolation voltage
input to output for 1 minute
input to earth for 1 minute
output to earth for 1 minute
3,000
1,500
500
Vac
Vac
Vac
isolation resistance 100 MΩ
safety approvals IEC60950-1, EN60950-1, UL60950-1 (2nd edition)
safety class class I
conducted emissions EN55032:2012+AC:2013, EN55022:2010+AC:2011, Class B , FCC CFR 47 Part 15 Subpart B
radiated emissions EN55032:2012+AC:2013, EN55022:2010+AC:2011, Class B , FCC CFR 47 Part 15 Subpart B
harmonic current emissions IEC 61000-3-2:2014, Class C & D
voltage uctuations & icker IEC 61000-3-3:2013
ESD IEC 61000-4-2:2008, ±2kV, ±4kV, Class A
radio-frequency, Continuous
radiated disturbance IEC 61000-4-3:2010, Class A
EFT/burst IEC 61000-4-4:2012, ±0.5kV, ±1kV, ±2kV, Class A
surge IEC 61000-4-5:2005, L-N: ±0.5kV, ±1kV, L-PE, N-PE: ±0.5kV, ±1kV, ±2kV, Class A
conducted immunity IEC 61000-4-6:2013, Class A
power frequency magnetic eld IEC 61000-4-8:2009, Class A
voltage dips IEC 61000-4-11:2004, Dip: 30% reduction, Dip: 70% reduction, Class A
voltage interruptions IEC 61000-4-11:2004, >95% reduction, Class B
MTBF as per MIL-HDBK-217F, at 115 Vac, 25°C, GB 160,000 hours
RoHS 2011/65/EU
Notes: 1. The power supply is considered a component which will be installed into nal equipment. The nal equipment still must be tested to meet the necessary EMC directives.
ENVIRONMENTAL
parameter conditions/description min typ max units
operating temperature see derating curves -40 80 °C
storage temperature -40 85 °C
operating humidity non-condensing 93 %
operating altitude 5000 m
vibration2as per MIL-STD-810F Table 514.5C-VIII; 15~2000
Hz for 1 hour on each axis for 3 hours 4G
shock2as per MIL-STD-810F Table 516.5, Table 516.5-1;
for 10 ms on each axis 3 times 75 G
Notes: 2. See Installation Instructions for mounting requirements.
DERATING CURVES
VOF-300 Output Power vs. Input Voltage
(Natural Convection)
Input Voltage (Vac)
Load (W)
90
150
200
250
100
50
110 130 150 170 190 210 230 250
264
VOF-300-CNF Output Power vs. Input Voltage
(Natural Convection)
Input Voltage (Vac)
Load (W)
90
150
200
250
100
50
110 130 150 170 190 210 230 250
264
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