NPK Morsvyazavtomatica
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NPK Morsvyazavtomatica - Marine Electronics
Unicont, Saint-Petersburg

PS-203

Power supply unit

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The PS-203 power supply unit operates with single-phase AC mains 50-60 Hz and converts the input voltage of 110/220VAC into 12/24/48VDC. The unit supplies shipboard equipment which is sensitive to input voltage surges and peaks.

Install in a dry environment (IP22). The PS-203 has a galvanic isolation of the input/output feed circuit and overvoltage protection.
  • Overall and mounting dimensions
  • Functional scheme
  • Wiring diagram
Technical specifications
Model PS-203-12 (12.5 A) PS-203-24 (6.5 A) PS-203-48 (3.2 A)
Power supply voltage 88~132 V AC/176~264 V AC (selected by the switch)
Output voltage 12 V DC 24 V DC 48 V DC
Rated power 150 W 156 W 153.6 W
Rated load current 12.5 А 6.5 А 3.2 А
Coefficient of efficiency 82% 85% 87%
Galvanic isolation from power mains +
Dimensions 169x245x59.5 mm
IP rating IP 22
Storage temperature -60…+70 °С
Operating temperature -20…+55 °С
Weight 5 kg