cui.com

date 06/13/2019

│ page 2 of 6

CUI Inc

│ SERIES: PDRB-300 │ DESCRIPTION: AC-DC DIN RAIL POWER SUPPLY

INPUT

parameter

conditions/description

min

typ

max

units

voltage

90

180

210

132

264

375

Vac

Vac

Vdc

frequency

47

63

Hz

current

at 90 Vac

at 180 Vac

6.0

3.0

A

A

inrush current

at 115 Vac

at 230 Vac

35

65

A

A

leakage current

input to output

input to FG

0.25

3.5

mA

mA

power factor (passive)

at 230 Vac, full load

0.75

OUTPUT

parameter

conditions/description

min

typ

max

units

capacitive load

7,000

µF

initial set point accuracy

±1

%

line regulation

at full load, V in min to V in max

±0.5

%

load regulation

at Vi nom, 0~100% load

single mode

parallel mode

±1

±5

%

%

adjustability

via built in trim pot, 80% load

24 Vdc output models

48 Vdc output models

22.5

47

28.5

56

Vdc

Vdc

rated continuous loading at

max trim voltage

24 Vdc output models (28.5 Vdc)

48 Vdc output models (56 Vdc)

10.5

5.35

A

A

start-up time

at Vi nom, full load

at Vi nom, full load with max capacitive load

2.5

2.5

s

s

rise time

at Vi nom, full load

at Vi nom, full load with max capacitive load

150

500

ms

ms

hold-up time

at 115 Vac, full load

at 230 Vac, full load

25

30

ms

ms

fall time

at Vi nom, full load

150

ms

transient recovery time

at Vi nom, 100~50% load

2

ms

switching frequency

at Vi nom, full load

40

kHz

temperature coefficient

±0.03

%/°C

DC ON indicator threshold at

start-up (GREEN)

24 Vdc output models

48 Vdc output models

17.6

37.0

19.4

43.0

Vdc

Vdc

DC LOW indicator threshold

after start-up (RED)

24 Vdc output models

48 Vdc output models

17.6

37.0

19.4

43.0

Vdc

Vdc

at 10~90% load

3

modules

threshold voltage of contact closed (at start-up)

electrical isolation

contact rating at 60 Vdc

17.6

500

19.4

0.3

Vdc

Vdc

A

Notes:

4. Single/Parallel mode operation selectable via S/P switch.

5. For 24 Vdc output models only

Additional Resources: Product Page