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111

PB271 Series

100-150 W A TTS DC/DC SINGLE OUTPUT RAIL W A Y

Features

•

Rugged DC/DC converter for railway applications

•

45-154Vdc input / 12 or 24Vdc output.

•

High temperature operation, no cooling fan.

•

Up 60°C ambient with full load, derate up to 90°C.

•

Shock & vibration protection (potted).

•

Overvoltage, short circuit, over-temperature,

input transients & reverse polarity protection.

•

Complies with EN50121-3-2: 2000.

•

Output terminal, available in screw, cage clampor

phoenix terminals.

•

Designed & manufactured in Australia.

Specifications

INPUT

Voltage

45-154Vdc

Current

4.2A

Isolation

Input to chassis: 2121Vdc, 1 min.

Input to output: 4242Vdc, 1 min.

Output to chassis: 707Vdc, 1 min.

Reverse voltage protection Indefinite, series blocking diode on input.

OUTPUT

Voltage

See Table

Current

See Table

Power

100-150W

Ripple & noise

30mV p-p

Line regulation

0.5% of Vnom

Load regulation

12Vout = 3% Vnom

24Vout = 1.5% Vnom

Overvoltage protection

130% of Vnom, manual restart required.

Overcurrent protection

110% of Inom, auto recovery.

Short circuit protection

Indefinite, auto recovery.

Over temperature

protection

110°C, auto recovery.

Efficiency

85% at full load.

ENVIRONMENTAL

Operating Temperature

-25 – 60°C, derate to 90°C, consult sales

Relative Humidity

5 – 90% (non-condensing)

Cooling

Natural convection

PB271 Ordering information

STANDARDS

Safety standards

Complies with AS/NZS60950:2000

C-tick

AS/NZS CISPR11 Group 1, Class A

EMC standards

Designed to comply with EN50121-3-2: 2000

MECHANICAL

General

Chassis mount enclosure

Input & output connection -S: 4 ways screw T/B 20A/300V suitable for up to

4mm² wire

-C: 5 ways cage clamp T/B 20A/300V suitable for up

to 4mm² wire

-P: 4 ways pluggable T/B 20A /300V suitable for up

to 4mm² wire

Ground Terminal

M4x12 stud

Length

290mm

Width

80mm (without heatsinks) 135mm (with heatsinks)

Height

-S: 69mm

-C: 73mm

-P: 51mm

Weight (unpacked)

1.9kgs (without heatsinks) 2.4kgs (with heatsinks)

PB271

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12

S

_

H

1

2

3

4

1. Series name

2. Output voltage

-12

-24

3. Output connection

-S (Screw terminal block)

-C (Cage clamp terminal block)

-P (Pluggable terminal block)

4. Optional

- Heatsinks