ABB PR221DS-1 Circuit Breaker

The ABB PR221DS-1 (PR221DS-1) is a circuit breaker component engineered for low-voltage power distribution and industrial electrical protection installations. Serving as an essential protection and switching device within electrical switchgear, distribution boards, and motor control centers, the unit safeguards connected electrical equipment, wiring, and downstream loads against system overloads, short circuits, and electrical fault conditions. The device is built for integration into ABB circuit breaker assemblies, providing reliable overcurrent detection, fault isolation, and uninterrupted operational safety across demanding industrial environments. It supports standard panel mounting configurations within industrial enclosures, ensuring secure mechanical fastening and stable electrical connectivity. Weighing approximately 10 kg, this robust unit is designed for heavy-duty operational duty cycles, offering dependable service life and straightforward replacement during scheduled maintenance, system overhauls, or emergency repair procedures. Typical applications include manufacturing plants, automated production lines, process industry power distribution, commercial electrical infrastructure, and utility facilities requiring verified circuit protection and system dependability.