Switchmode Power Supply - PR Electronics 2220

The power supply is based on secondary switchmode technology to achieve a high efficiency.
The output is adjustable from front potentiometer in the range 5…24 VDC.

General power supply for smaller measurement systems requiring fixed stabilized 24 VDC, or supply for any other sensors, transmitters or as a general variable power supply 5 to 24 VDC.
Two units may be connected in series for plus / minus or higher output voltage.
Suitable for PELV/SELV applications.

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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