The 0223-00 part is a voltage regulator module manufactured by ELEKTRO-PLAST NASIELSK. The module is designed for use in 230VAC-based systems and is rated at 32A, with a maximum output of 400V. It provides motor/generator control and has a wide range of control and protection features. It can be used as a voltage source for a motor, generator, transformer, or any other application requiring a regulated DC supply. It also features an adjustable voltage regulator, single-phase and three-phase operation, terminal protection, a digital display, and a range of additional features.