PR Electronics 2220 Switchmode Power Supply

Features

  • Mains voltage input
  • Isolation 3.75 kVAC
  • Short-circuit protection
  • Thermal overload protection
  • Standard 11-pole relay socket
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PR Electronics 2220 Switchmode Power Supply is designed to provide a highly efficient and adjustable power output. Utilizing secondary switchmode technology, it offers flexibility and robust protection for a variety of applications.

Advanced Features

  • High Efficiency: Based on secondary switchmode technology, ensuring high efficiency.
  • Adjustable Output: The output voltage is adjustable via a front potentiometer within the range of 5…24 VDC.

Applications

  • General Power Supply: Provides a stable 24 VDC supply for smaller measurement systems, sensors, transmitters, or as a general variable power supply within the range of 5 to 24 VDC.
  • Series Connection: Two units can be connected in series to achieve a plus/minus supply or a higher output voltage.
  • PELV/SELV Applications: Suitable for PELV/SELV applications, ensuring safety in low voltage environments.

Technical Characteristics

  • Power Indicator: A green LED indicates an active output.
  • Safety Transformer: Features a double-isolated safety transformer.
  • High Isolation Voltage: Isolation test voltage between input and output is 3.75 kVAC, ensuring robust isolation.
  • Thermal Fuse Protection: Input circuit protected with a thermal fuse.
  • Short Circuit Protection: Output short circuit protection with a current limiter.

PR Electronics 2220 Switchmode Power Supply is a reliable and efficient solution for providing adjustable and stable DC power, suitable for a wide range of industrial applications. Its high efficiency, robust protection features, and flexibility make it an ideal choice for various measurement systems and general power supply needs.

Specification

ENVIRONMENTAL CONDITIONS
Operating temperature -20°C to +60°C
Relative humidity < 95% RH (non-cond.)
Protection degree IP50
MECHANICAL SPECIFICATIONS
Dimensions (HxWxD) 80.5 x 35.5 x 84.5 mm (D is without pins)
Weight approx. 425 g
COMMON SPECIFICATIONS
Supply
Internal power dissipation 4 W
Isolation voltage
Isolation voltage, test / working 3.75 kVAC / 250 VAC
PELV/SELV IEC 61140
Transformer EN 60742
Effect of supply voltage change < ±30 mV (±10%)
Transient stability (10%-max. load) < 250 mV
Temperature coefficient 0.05% / °C
EMC immunity influence < ±0.5%
INPUT SPECIFICATIONS
Input voltage (AC) 21.6…26.4 VAC 99…121 VAC
108…132 VAC
207…253 VAC
Frequency 50…60 Hz
OUTPUT SPECIFICATIONS
Current output
Current limit Typ. 2.2 A (short circuit)
Output voltage 4.75…25.2 VDC
Output power Max. 7 W
Output current 1 A / 5 VDC 0.55 A / 12 VDC
0.45 A / 15 VDC
0.3 A / 24 VDC
Load effect (10%-max. load) < 1.5% / A
Output ripple < 20 mVRMS
OBSERVED AUTHORITY REQUIREMENTS
EMC 2014/30/EU
LVD 2014/35/EU
EAC TR-CU 020/2011
EAC LVD TR-CU 004/2011

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