cui.com

date 01/25/2021

│ page 2 of 5

CUI Inc

│ SERIES: VGS-75B │ DESCRIPTION: AC-DC POWER SUPPLY

INPUT

parameter

conditions/description

min

typ

max

units

voltage

90

264

Vac

frequency

47

63

Hz

current

at 115 Vac input, full load

at 230 Vac input, full load

1.7

1.0

A

A

inrush current

at 230 Vac input, cold start, full load

50

A

leakage current

3.5

mA

no load power consumption

at 230 Vac

0.4

W

OUTPUT

parameter

conditions/description

min

typ

max

units

line regulation

12 Vdc output model

all other models

±1

±0.5

%

%

load regulation

12 Vdc output model

all other models

±1

±0.5

%

%

adjustability

built in trim pot

±10

%

start-up time

at 115/230 Vac input, full load

2

s

rise time

at 115/230 Vac input, full load

40

ms

hold-up time

at 115 Vac input, full load

at 230 Vac input, full load

12

30

ms

ms

switching frequency

65

kHz

PROTECTIONS

parameter

conditions/description

min

typ

max

units

over voltage protection

output shutdown, must recycle power to recover

120

145

%

over current protection

output shutdown, auto recovery

110

150

%

short circuit protection

output shutdown, auto recovery

SAFETY & COMPLIANCE

parameter

conditions/description

min

typ

max

units

isolation voltage

input to output for 1 minute, 10 mA

input to ground for 1 minute, 10 mA

output to ground for 1 minute, 10 mA

1,500

1,500

500

Vac

Vac

Vac

isolation resistance

input to output at 500 Vdc

input to ground at 500 Vdc

output to ground 500 Vdc

100

100

100

MΩ

MΩ

MΩ

safety approvals

certified to 62368: EN

certified to 60950: IEC/UL

safety class

class I

conducted emissions

EN 55032:2015, Class B

radiated emissions

EN 55032:2015, Class B

input current harmonics

EN 61000-3-2:2014, Class A

voltage fluctuation and flicker

EN 61000-3-3:2013, Class A

ESD immunity

IEC 61000-4-2, air: ±8 kV; contact: ±4 kV, Class A

radiated field immunity

IEC 61000-4-3, 3 V/m, Class A

electrical fast transient

immunity

IEC 61000-4-4, Ac power port: 1 kV;

signal & telecommunication ports: 0.5 kV, Class B

Notes:

1. The power supply is considered a component which will be installed into final equipment. The final equipment still must be tested to meet the necessary EMC directives.

Additional Resources: Product Page | 3D Model