Description

The GE KR 9D 75 3200A is a heavy‑duty low‑voltage power circuit breaker engineered to provide dependable protection, robust switching performance, and precise fault interruption for industrial, commercial, and utility electrical distribution systems. Manufactured by General Electric, the KR series is designed to support high‑capacity applications where safety, reliability, and system continuity are essential.

Rated at 3200 amperes, the KR 9D 75 breaker is ideal for main and feeder circuit protection in large switchgear assemblies, motor control centers, and critical distribution panels. Its durable mechanical design features a rugged contact system and effective arc‑extinguishing technology that ensures consistent and rapid interruption of overloads, short circuits, and electrical faults. This capability helps safeguard downstream equipment and maintain operational stability in demanding environments.

The breaker incorporates advanced trip mechanisms—typically configured with electronic or thermal‑magnetic trip units—that deliver flexible protective functions including long‑time, short‑time, instantaneous, and optional ground‑fault elements. These settings can be tailored to specific system coordination requirements, improving selectivity and reducing unnecessary disruptions while enhancing overall system safety.

Built to meet rigorous industry standards, the KR 9D 75 delivers reliable performance with easy integration into existing distribution systems. Its modular construction and accessible components allow for straightforward installation, inspection, service, and future upgrades, reducing downtime and lowering total lifecycle costs.

Commonly deployed in industrial plants, utility substations, data centers, hospitals, and large commercial facilities, the GE KR 9D 75 3200A circuit breaker offers a balanced combination of high‑current capacity, robust protection features, and long‑lasting durability—making it a trusted solution for critical medium‑to‑large power distribution applications.