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PSD480125
PSD 48V/1,25A switch mode
power supply desktop for CCTV
Edition: 3 from 03.09.2013
Supersedes edition: 2 from 22.07.2013
EN
Features of the power supply unit:
•
power output 1,25A/48VDC
•
universal AC input voltage range 90÷264V
•
high efficiency 89%
•
LED optical signalisation
•
standby power <0,3W
•
efficiency level: V
•
protections:
•
SCP short-circuit protection
•
overvoltage protection (AC input)
•
overload (OLP)
•
warranty – 2 year from the production date
1. Technical description.
1.1. General description.
Stabilized DC power supply is intended for supply CCTV cameras that require stabilised voltage of 48 V DC.
The unit has a cable with a DC5.5/2.1 plug. The power supply unit is protected against short-circuit, overload and
overvoltage.
1.2. Technical parameters.
Supply voltage
90 ÷ 264 V AC 50÷60Hz
Current consumption
0,6A@230VAC max.
Supply power
60W max.
Efficiency
89%
Output voltage
48V DC
Output current
1,25 A
Output current t
AMB
<30°C
1,25 A - refer to graph 1.
Output current t
AMB
=40°C
0,875 A - refer to graph 1.
Ripple voltage
100mV p-p max.
Short-circuit protection SCP
electronic, automatic recovery
Overload protection OLP
150-200% of power supply, automatic recovery
Optical signalisation
LED – presence of DC voltage
Operation conditions
temperature -10
o
C÷40
o
C
relative humidity 20%...90%, without condensation
Dimensions (LxWxH)
116 x 54 (80) x 35 [mm]
Net/gross weight
0,27kg / 0,32kg
Protection class PN-EN 60950-1:2007
II (second)
Lenght of DC cable
1,45m + plug DC5,5/2,1 female
Lenght of AC cable
1,15m + mains plug
Storage temperature
-20ºC...+60ºC
Graph 1.
Relation between output current and ambient
temperature.
Fig.1. Dimension of power supply.
