SB821 ABB Battery Unit for AC 800M Controllers

Description

The ABB SB821 Battery Unit is engineered to provide secure backup power for industrial automation systems. It is DIN-rail mounted, lightweight, and optimized for long-term reliability. Moreover, it plays a critical role in maintaining volatile memory and protecting essential configurations in ABB’s Advant OCS and AC 800M controllers. In addition, its robust design ensures dependable performance across diverse industrial environments, from chemical plants to power generation facilities.