PR Electronics 2222 Switchmode Power Supply

Features

  • 230 or 115 VAC primary voltage
  • 24 VDC output voltage
  • Double isolation by 3.75 kVAC
  • 48 Watt output power, short circuit-protected
  • Thermal protection against overload
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PR Electronics 2222 Switchmode Power Supply is designed to provide a stable 24 VDC supply for various equipment, utilizing primary switchmode technology for high efficiency. It features an adjustable output voltage and robust protection mechanisms, making it suitable for a wide range of industrial applications.

Advanced Features

  • High Efficiency: Based on primary switchmode technology, ensuring high efficiency.
  • Adjustable Output Voltage: An internally mounted potentiometer allows for a ±5% adjustment of the output voltage.

Applications

  • Stabilized 24 VDC Supply: Provides a general 24 VDC supply for equipment that requires stabilized DC voltage.
  • Series Connection: Two units can be connected in series to achieve a plus/minus supply or a higher output voltage.
  • Safety Installations: Suitable for separating circuits in safety installations according to the PELV/SELV norm.
  • Galvanic Isolation: Achieves galvanic isolation between the primary and secondary voltage through a double-isolated safety transformer.

Technical Characteristics

  • Active Voltage Indicator: A green LED in the front of the module indicates an active primary voltage.
  • Thermal Fuse Protection: Input circuit protected with a thermal fuse.
  • Short Circuit Protection: DC output short circuit protection with a current limiter.
  • Mounting Options: Designed for mounting on a standard 11-pole socket, which can be adapted for DIN rail or plate use with PR’s 7023 adaptor and 7024 mounting keying.

The PR Electronics 2222 Switchmode Power Supply is a reliable and efficient solution for providing a stable 24 VDC supply, suitable for various industrial applications, including safety installations requiring galvanic isolation. Its adjustable output voltage and robust protection features ensure dependable performance in demanding environments.

Specification

ENVIRONMENTAL CONDITIONS
Operating temperature -20°C to +60°C
Relative humidity < 95% RH (non-cond.)
Protection degree IP30
MECHANICAL SPECIFICATIONS
Dimensions (HxWxD) 80.5 x 35.5 x 84.5 mm (D is without pins)
Weight approx. 210 g
COMMON SPECIFICATIONS
Supply
Fuse 1 A SB / 250 VAC
Max. required power 60 VA
Isolation voltage
Isolation voltage, test / working 3.75 kVAC / 250 VAC
PELV/SELV IEC 61140
Effect of supply voltage change < 1% (±10%)
Efficiency ≥ 80%
Thermal overload protection 100°C
Power derating 1% / °Camb. (Tamb. > 40°C)
Transient stability (10%-max. load) < 500 mV
Temperature coefficient 0.05% / °C
EMC immunity influence < ±0.5%
Input specifications
Supply voltage 207…253 VAC 102.4…132.2 VAC
Frequency 50…60 Hz
Output specifications
Current output
Current limit Nom. 2.5 A (electronic)
Output voltage 24 VDC
Adjustment ±5%
Output power 48 W (max.)
Output current 2 A / 24 VDC
Load effect, (0-max. load) < 1.5% / A
Output ripple ≤ 40 mVRMS (100 kHz)
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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