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CUI Inc

│ SERIES: VPM-S500-R │ DESCRIPTION: AC-DC POWER SUPPLY

date 01/25/2022

│ page 3 of 5

SAFETY & COMPLIANCE

parameter

conditions/description

min

typ

max

units

isolation voltage

primary to secondary at 10 mA for 3 seconds

primary to transformer core at 10 mA for 3 seconds

primary to earth ground for at 10 mA 3 seconds

3,000

1,500

1,500

Vac

Vac

Vac

safety approvals

UL 60950-1

EMI/EMC

EN 55022 Class B conducted/radiated, EN 61000-3-(2,3), EN 55024, IEC 61000-4-(2,3,4,5,6,8,11)

leakage current

at 264 VAC

2

mA

grounding test

allowable resistance measured when 25 A current is applied

from the ground pin of the three prong plug to the farthest

earthed connection point.

0.1

Ω

RoHS compliant

yes

MTBF

according to MIL-HBK-217F at 30°C

100,000

hours

ENVIRONMENTAL

parameter

conditions/description

min

typ

max

units

operating temperature

derating linearly at 2.5% from 50~70°C

0

70

°C

storage temperature

-20

85

°C

operating humidity

non-condensing

5

90

%RH

storage humidity

non-condensing

5

95

%RH

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