cui.com

date

01/17/2013 │ page 2 of 7

CUI Inc

│ SERIES: VDRS-150 │ DESCRIPTION: AC-DC DIN RAIL

INPUT

parameter

conditions/description

min

typ

max

units

voltage

88

124

264

373

Vac

Vdc

frequency

47

63

Hz

current

at 115 Vac

at 230 Vac

2.6

1.3

A

A

inrush current

at 115 Vac

at 230 Vac

33

65

A

A

power factor correction

at 230 Vac

at 115 Vac

0.90

0.98

leakage current

at 240 Vac

1mA

OUTPUT

parameter

conditions/description

min

typ

max

units

voltage accuracy

±1

%

line regulation

±0.5

%

load regulation

5±1

%

temperature coefficient

(0 ~ 50°C)

±0.03

%/°C

hold-up time

at 115 / 230 Vac, cold start

16

ms

voltage adjustment range

-2

+8

%

Note:

1. All specification are measured at 230 Vac input, rated load, 25°C unless otherwise specified.

PROTECTIONS

parameter

conditions/description

min

typ

max

units

over voltage protection

latch-off mode, restart

to recover from fault

24 V model

48 V model

120

117

138

135

%

%

Kicks in between 105~150% rated output power

when the fault persist for about 3 sec, then clamps

output voltage down, automatic recovery’ >150%

rated power or short circuit would cause the power

supply to go in to constant current limiting; if fault

condition is not removed after 5 times, then the

converter will shutdown and need to be restarted

to recover from fault.

over load protection

constant current limiting, automatically recovers

after fault condition is removed

105

150

%

over temperature protection

output shut down and auto restart upon reduction

of temperature

90

95

100

°C

DC ok relay contact ratings

at 0.3 A

at 1 A and 0.5 A

60

30

Vdc

Vdc

For more information, please visit the product page.