Power supply unit

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The PS-103-20A with a rated power of 192 W is designed to operate with 110/220 VAC and provides unregulated power of 24V for various shipboard and industrial equipment. The PSU has an input for a standby storage battery (24 VDC) with an automatic switchover in the event of a main power supply failure. A power loss actuates the closing of built-in dry relay contacts.

Install in a dry environment (IP22). Galvanic isolation of power mains, load, and current overload protection are provided.
Technical specifications
Dimensions 380x270x115 mm
IP rating IP 22
Storage temperature -60…+70 °С
Operating temperature -15…+55 °С
Weight 9,3 kg
Coefficient of efficiency 93%
Power supply voltage ~110/220 V ± 10%, 50/60 Hz
Output voltage 24 V DC
Rated power 500 W
Pulse 1 V
Rated load current 20 A
Load terminals 4
Galvanic isolation from power mains +

The AU-106 may be used as an alarm unit.