Switchmode Voltage Regulator - PR Electronics 2229

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.

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.

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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