Power supply unit)

  • Description
  • Specifications
  • Files
  • Support
  • Where to buy
The PS-303 power supply unit operates with 220VAC or 24/12 VDC and converts the input voltage into a regulated voltage of 12/24 VDC. The unit has an input for a standby power source of 12/24 VDC, which switches over automatically in the event of a power supply failure.

The PS-303 has a galvanic isolation of input and output feed circuit, overvoltage, current overload and reverse polarity protection. For a dry environment installation (IP22).
  • Overall and mounting dimensions
  • Functional scheme
  • Wiring diagram
Technical specifications
Dimensions 278x285x82 mm
IP rating IP 22
Storage temperature -60…+70 °С
Operating temperature -20…+55 °С
Weight 4 kg
Coefficient of efficiency 85%
Power supply voltage* ~110/220 V, 50/60 Hz, 24 V, 12 V
Output voltage* 24 V DC, 12 V DC
Rated power* 50…350 W
Rated load current* 4…27.5 A
Load terminals 2
Galvanic isolation from power mains* +

* - depending on the model.