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PB261 Datasheet, PDF (1/2 Pages) Powerbox – 200-500 WATTS DC/DC SINGLE OUTPUT
PB261 Series
200-500 WATTS 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
Undervoltage lockout
Overvoltage lockout
OUTPUT
24Vdc (18-30Vdc)
48Vdc (36-60Vdc)
24V: 17.2Vdc
48V: 30Vdc
24V: 37.8Vdc
48V: 78.8Vdc
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
Load regulation
Overvoltage protection
0.2% typ. over input range
12 and 24V: 2% typ.
48V: 5% typ.
12V: 15Vmax.
24V: 29Vmax.
48V: 58Vmax.
Overcurrent protection
120% of rating typ.
DISPLAYS / ALARMS
DC OK
ENVIRONMENTAL
Green LED: ON=OK
Voltage–free changeover contact (32V, 1A)
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
PB261-2412E
PB261-2424E
PB261-2448E
PB261-2412T
PB261-2424T
PB261-2448T
PB261-4812S
PB261-4824S
PB261-4848E
PB261-4812U
PB261-4824U
PB261-4848T
INPUT
18-30V
18-30V
18-30V
18-30V
18-30V
18-30V
36-60V
36-60V
36-60V
36-60V
36-60V
36-60V
OUTPUT
12V
16.7A
24V
8.3A
48V
4.2A
12V
33.3A
24V
16.7A
48V
7.1A
12V
20.8A
24V
10.4A
48V
4.6A
12V
41.7A
24V
20.8A
48V
9.2A
RIPPLE & POWER
NOISE
50mV 200W
45mV 200W
50mV 200W
30mV 400W
25mV 400W
25mV 340W
80mV 250W
50mV 250W
60mV 220W
40mV 500W
35mV 500W
25mV 440W
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