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•
power output 7A/24÷28VDC
•
wide AC input voltage range 176÷264V
•
high efficiency 85%
•
LED optical signalisation
1. Technical description.
1.1. General description.
The power supply unit is intended for the feeding of alarm system equipments, which require 24V DC supply
voltage and current load I=7A. The design enables simple changing of the output voltage, within the range of 24V÷28V
DC, using a potentiometer. The power supply unit is protected against short-circuit, overload and overvoltage.
1.2. Technical parameters.
Supply voltage
Current consumption
Supply power
Efficiency
Output voltage
Output current
Output current t
AMB
Output current t
AMB
Voltage adjustment range
Ripple voltage
Short-circuit protection SCP
Overload protection OLP
Overvoltage protection OVP
Optical signalisation
Operation conditions
Dimensions (LxWxH)
Net/gross weight
Protection class PN-EN 60950-1:2007
Connectors
Electrical strength of insulation:
- between input (network) circuit and output
circuits of power-supply (I/PO/P)
- between input circuit and PE protection circuit
(I/P-FG)
- between output circuit and PE protection circuit
(O/P-FG)
Insulation resistance:
- between input circuit and output or protection
circuit
Storage temperature
Vibrations and impulse waves during transport
PS 24V/7A enclosed switch mode power supply
Features of the power supply unit:
<30° C
=40° C
PS2002470
Edition: 2 from 25.05.2012
Supersedes edition: 1 from 05.12.2011
•
protections:
•
•
•
•
176 ÷ 264 V AC 50÷60Hz
1,36A@230VAC max.
200W max.
85%
24V DC
7A
7A - see graph 1.
5A - see graph 1.
24 V ÷ 28V DC
150mV p-p max.
electronic, automatic recovery
105-150% of power supply, automatic recovery
U>115% ÷ 135% of the output, isolation
of the output voltage, automatic recovery
green LED – presence of DC voltage
2-nd enviromental class, temperature: -10
relative humidity 20%...90%, without condensation
226 x 115 x 50 [mm]
0,82kg / 0,90kg
I (first) – requires a protective conductor (PE)
power-supply:Φ0,63-2,50 (AWG 22-10)
outputs: Φ0,63-2,50 (AWG 22-10)
3000 V/AC min.
1500 V/AC min.
500 V/AC min.
100 MΩ, 500V/DC
-20ºC...+60ºC
according to PN-83/T-42106
1
SCP short-circuit protection
overvoltage OVP
overvoltage protection (AC input)
overload (OLP)
o
o
C÷40
C
EN
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Summary of Contents for Pulsar PS2002470
- Page 1 PS2002470 PS 24V/7A enclosed switch mode power supply Edition: 2 from 25.05.2012 Supersedes edition: 1 from 05.12.2011 Features of the power supply unit: • • power output 7A/24÷28VDC protections: • • wide AC input voltage range 176÷264V SCP short-circuit protection •...
- Page 2 1.3. Output current vs temperature. Graph 1. Allowable output current from the power supply depending on ambient temperature. 2. Installation. 2.1. Requirements. The power supply shall be mounted by the qualified installer having appropriate (required and necessary for a given country) permissions and qualifications for connecting (operating) low-voltage installations. The unit shall be mounted in closed rooms, according to the environment class II, of the normal air humidity (RH=90% max.
- Page 3 2.4. Dimensions and fitting of the PS2002470 power supply. Fig. 2. Dimensions of power supply. 3. Maintenance. All maintenance procedures can be performed after the disconnection of the power supply from the electrical grid. The power supply does not require any special maintenance procedures, but in the case of significant dust accumulation,...
- Page 4 GENERAL WARRANTY CONDITIONS 1. Pulsar K. Bogusz Sp.j. (manufacturer) grants a two-year quality warranty for the equipment, starting from the date of purchase placed on the purchase order. 2. Should such purchase order be missing when the claim is submitted, the three-year guarantee period is counted from the date of the manufacturing of the device.
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