PB271 Datasheet, PDF (1/2 Pages) Powerbox – 100-150 WATTS DC/DC SINGLE OUTPUT RAILWAY

PB271 Series
100-150 WATTS DC/DC SINGLE OUTPUT RAILWAY
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
Load regulation
Overvoltage protection
0.5% of Vnom
12Vout = 3% Vnom
24Vout = 1.5% Vnom
130% of Vnom, manual restart required.
Overcurrent protection 110% of Inom, auto recovery.
Short circuit protection Indefinite, auto recovery.
Over temperature
protection
Efficiency
110°C, auto recovery.
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
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
Weight (unpacked)
-S: 69mm
-C: 73mm
-P: 51mm
1.9kgs (without heatsinks) 2.4kgs (with heatsinks)
PB271 Ordering information
PB271 _
12
1
2
S
_
H
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
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