Available. The Bosch Rexroth VMA 21 KB 001-D is a power supply module designed for the Servodyn-D series, providing essential DC power for Bosch Indramat servo drives and controls. Operating with a three-phase AC input of 400 to 460 VAC, it delivers a regulated DC link voltage of 670 V, ensuring stable and efficient power conversion. The module features an internal ballast switch, offering peak braking power of 400 W and peak braking energy of 6,500 W, which is crucial for dynamic braking applications. With a rated current of 23 A at an ambient temperature of up to 45°C, it supports a rated power output of 16 kVA and a peak output of 20 kVA, accommodating various industrial automation needs. The VMA 21 KB 001-D is air-cooled, requiring adequate ventilation for optimal performance. Its compact design, with a width of 100 mm, facilitates easy integration into existing systems. Installation is straightforward, and the module can be replaced without shutting down the entire system, minimizing downtime. This power supply module is ideal for applications requiring reliable and efficient power conversion in industrial automation systems.