The B&R X20PS9400 power supply module delivers 24 VDC to the X20 bus controller, the X2X Link power supply, and internal I/O in a single X20-system module. It provides a dedicated RS232 service interface and visible status indicators for overload, operating status, and module health, enabling on-board diagnostics within an X20 installation. Power dissipation is specified as 1.42 W for the X2X Link power supply and 0.6 W for internal I/O, with an IP20 enclosure and an operating temperature range of 0 to 55°C; the unit carries CE and UL/cULus approvals and ATEX Zone 2 (II 3G Ex nA nC IIA T5 Gc IP20) plus other regional certifications.
