cui.com

date 04/26/2021

│ page 2 of 4

CUI Inc

│ SERIES: SWC27-N │ DESCRIPTION: AC-DC POWER SUPPLY

INPUT

parameter

conditions/description

min

typ

max

units

voltage

90

264

Vac

frequency

47

63

Hz

current

at 100 Vac

0.7

A

inrush current

at 240 Vac, cold start, 25°C

100

A

leakage current

at max input voltage, full load

0.25

mA

no load power consumption

at 115/230 Vac

0.075

W

OUTPUT

parameter

conditions/description

min

typ

max

units

voltage accuracy

5 Vdc output

9 Vdc output

12 Vdc output

4.75

8.55

11.4

5.5

9.45

12.6

Vdc

Vdc

Vdc

line regulation

±2

%

load regulation

±5

%

start-up time

3

s

hold-up time

at 115/230 Vac, 60/50 Hz, full load

5

ms

PROTECTIONS

parameter

conditions/description

min

typ

max

units

over voltage protection

output shut down, auto recovery

16

Vdc

over current protection

output shut down, auto recovery

150

%

short circuit protection

output shut down, auto recovery

SAFETY & COMPLIANCE

parameter

conditions/description

min

typ

max

units

isolation voltage

input to output at 3.5 mA for 1 minute

4,242

Vdc

insulation resistance

input to output at 500 Vdc for 1 minute

50

MΩ

safety approvals

UL/cUL (UL 60950-1), PSE

EMI/EMC

FCC Part 15 Class B, EN 55032 Class B

MTBF

as per MIL-HDBK-217F, full load, 25°C

50,000

hours

RoHS

yes

ENVIRONMENTAL

parameter

conditions/description

min

typ

max

units

operating temperature

0

40

°C

storage temperature

-20

60

°C

operating humidity

non-condensing

10

90

%

storage humidity

non-condensing

5

90

%

altitude

5,000

m

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