The PS-103 power supply unit with a rated power of 192 W operates with 110/220 VAC and provides unregulated power of 24V for various shipboard and industrial equipment. The PS-103 has an input for a standby storage battery (24 VDC) with automatic switching in the event of a main power supply failure. A power loss actuates the closing of built-in dry relay contacts.
The unit is designed for installation in a dry environment (IP22). Galvanic isolation of power mains, load, and current overload protection are provided.