Switchmode Voltage Regulator – PR Electronics 2229

Features

  • AC/DC input voltage
  • Adjustable output 5…24 VDC, max. 40 W
  • Adjustable from external potentiometer
  • Short-circuit protection
  • Thermal overload protection
  • Standard 11-pole relay socket
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Advanced features

  • The regulator is based on primary switchmode technology to achieve a high efficiency.
  • The outputs are adjustable from a front potentiometer in the range 5…24 VDC or from an external potentiometer.

Application

  • General voltage regulator for external transformer used in connection with measurement systems requiring fixed stabilized 24 VDC.
  • Supply for any other sensors, transmitters or a general variable voltage regulator in the range 5…24 VDC.
  • Used as a power efficient pre-regulator for 5 VDC linear regulator (e.g. from 32 V to 8 V).
  • Used as adjustable power supply controlled from external potentiometer.

Technical characteristics

  • A green LED indicates active output.
  • AC or DC input voltages.
  • A rectifier bridge allows free choice of polarity for the DC input.
  • Mounting for a standard 11-pole socket which can be adapted for DIN rail or plate use with PR’s 7023 adaptor and 7024 mounting keying.

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. 170 g
COMMON SPECIFICATIONS
Supply
Internal power dissipation 10 W
Transient stability (10%-max. load) < 250 mV
Temperature coefficient 0.05% / °C
EMC immunity influence < ±0.5%
INPUT SPECIFICATIONS
Input voltage (AC) Max. 28 VAC Min. VAC = ( Vout. + 5 ) / 1.2
Input voltage (DC) Max. 40 VDC Min. VDC = ( Vout. + 5)
Frequency 50…60 Hz
OUTPUT SPECIFICATIONS
Current output
Current limit Typ. 5.8 A (short circuit)
Output voltage 4.5…26.4 VDC
Output power Max. 40 W
Output current Max. 2.5 A / 5 VDC Max. 2.5 A / 12 VDC
Max. 2.5 A / 15 VDC
Max. 1.7 A / 24 VDC
Load effect, (0-max. load) < 1.5% / A
Output ripple < 20 mVRMS
OBSERVED AUTHORITY REQUIREMENTS
EMC 2014/30/EU
EAC TR-CU 020/2011

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