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113

PB261 Series

200-500 W A TTS DC/DC SINGLE OUTPUT

Features

•

Rugged DC/DC converter for industrial applications

•

24 or 48Vdc input / 12, 24 or 48Vdc output

•

200 to 500W output.

•

Parallel operation to 2kW

•

Input reverse polarity protection

•

Input overvoltage and undervoltage lockout

•

Overtemperature protection

•

Adjustable output voltage

•

DC OK alarm LED and voltage-free contact

•

Low RF emissions

Specification

INPUT

Input voltage

24Vdc (18-30Vdc)

48Vdc (36-60Vdc)

Undervoltage lockout

24V: 17.2Vdc

48V: 30Vdc

Overvoltage lockout

24V: 37.8Vdc

48V: 78.8Vdc

OUTPUT

Output voltage

See Table

Voltage adjustment range

±8%

Output current

See Table

Output power

See Table

Ripple & noise

Typ. See Table BW=20MHz

Line regulation

0.2% typ. over input range

Load regulation

12 and 24V: 2% typ.

48V: 5% typ.

Overvoltage protection

12V: 15Vmax.

24V: 29Vmax.

48V: 58Vmax.

Overcurrent protection

120% of rating typ.

DISPLAYS / ALARMS

DC OK

Green LED: ON=OK

Voltage–free changeover contact (32V, 1A)

ENVIRONMENTAL

Operating temperature

0 – 40°C

Relative humidity

5 – 90% (non-condensing)

Cooling

Thermostatically Controlled Fan

OPERATING

Efficiency

79 – 84% typ.

Load sharing

±5%

Isolation

In/Out 4243Vdc, 1 min. In/Gnd 2121Vdc, 1 min.

Out/Gnd 707Vdc, 1 min.

Overtemperature protection

100°C typ.

STANDARDS

Safety standards

Complies with AS/NZS60950:2000

C-tick

AS/NZS CISPR11 Group 1, Class A

MECHANICAL

General

Chassis mount enclosure

Dimensions

247x176x70mm (LxWxH)

Input terminations

40A M4 Screw Terminals

Output terminations

40A M4 Screw Terminals

Alarm termination

Pluggable Screw

Terminal Blocks for 1.5 mm2 wire

SYNC port (parallel operation) Two RJ-12 6/6 sockets

Selection Table

MODEL

NUMBER

INPUT

OUTPUT

RIPPLE &

NOISE

POWER

PB261-2412E

18-30V

12V

16.7A

50mV

200W

PB261-2424E

18-30V

24V

8.3A

45mV

200W

PB261-2448E

18-30V

48V

4.2A

50mV

200W

PB261-2412T

18-30V

12V

33.3A

30mV

400W

PB261-2424T

18-30V

24V

16.7A

25mV

400W

PB261-2448T

18-30V

48V

7.1A

25mV

340W

PB261-4812S

36-60V

12V

20.8A

80mV

250W

PB261-4824S

36-60V

24V

10.4A

50mV

250W

PB261-4848E

36-60V

48V

4.6A

60mV

220W

PB261-4812U

36-60V

12V

41.7A

40mV

500W

PB261-4824U

36-60V

24V

20.8A

35mV

500W

PB261-4848T

36-60V

48V

9.2A

25mV

440W