The Siemens 6MA1890-1AC13/BB is a power supply module designed specifically for use with the station control unit 6MB551. This module features three isolated output circuits with a 2 kV isolation rating, providing voltages of +5V, ±15V, and +24V, and delivers a maximum output power of 125W. Its robust metal front panel ensures durability, and it is built to operate with a rated input voltage of DC 48/60V. The compact design, sized at 4SEP or 12TE, makes it suitable for integration in various control systems. Distributed by BSP Automation, this power supply module offers reliable and efficient performance for industrial automation applications.