cui.com

date 06/13/2019

│ page 3 of 6

CUI Inc

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

PROTECTIONS

parameter

conditions/description

min

typ

max

units

over voltage protection

at Vi nom, 80% load, auto recovery

24 Vdc output models

48 Vdc output models

30

60

33

66

Vdc

Vdc

over current protection

fold forward (see curve)

120

145

%

short circuit protection

fold forward

SAFETY & COMPLIANCE

parameter

conditions/description

min

typ

max

units

isolation voltage

input to output for 1 minute

3,000

4,242

Vac

Vdc

input to FG for 1 minute

1,500

2,121

Vac

Vdc

output to FG for 1 minute

500

710

Vac

Vdc

isolation resistance

input to output at 500 Vdc

100

MΩ

safety approvals

UL 508, UL 60950-1, EN 60950-1

ISA 12.12.01 (Class I, Div 2, Groups A~D)

safety class

class I

EMI/EMC

EN 55032 Class B, EN 55024, ENV 50204,

EN 61204-3, EN 61000-3-2, EN 61000-3-3,

EN 61000-6-2, EN 61000-6-3, EN 61000-4-2,

EN 61000-4-3, EN 61000-4-4, EN 61000-4-5,

EN 61000-4-6, EN 61000-4-8, EN 61000-4-11

pollution degree

2

degree of protection

IP20

MTBF

as per Bellcore Issue 6 at 40 °C, GB

24 Vdc output models

48 Vdc output models

437,000

468,000

hours

hours

RoHS

yes

Notes:

6. 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.

ENVIRONMENTAL

parameter

conditions/description

min

typ

max

units

operating temperature

see derating curves

-30

71

°C

storage temperature

-40

85

°C

humidity

non-condensing

20

95

%

altitude

EN 60950-1

5,000

m

vibration

meets IEC 60068-2-6 (Mounting on rail: 10~500

Hz, 2 G, along X,Y,Z axis, for 60 minutes on each

axis)

shock

meets IEC 60068-2-27 (15 G, 11 ms, 3 axis, 6

faces, 3 times for each face)

Additional Resources: Product Page