JKL3400F

The JKL3400F is a 3-pole molded case circuit breaker frame from Siemens' ITE JKL series, built for high-capacity industrial and commercial power distribution applications. Rated for 400 at 600, it serves as a heavy-duty protective housing designed for service entrance, main distribution, and large feeder circuits where substantial current capacity and reliable overcurrent protection are required. Electrically, the JKL3400F frame is engineered to accommodate compatible trip units to provide comprehensive overload and short-circuit protection tailored to your system's specific requirements. It offers robust interrupting capabilities under severe fault conditions, ensuring that connected downstream equipment, conductors, and sub-panels remain protected from excess fault energy. Its design supports flexible thermal-magnetic protection configurations to maintain operational continuity across demanding three-phase commercial and industrial loads. Mechanically, the JKL3400F features a durable J-frame molded construction built to handle demanding physical and electrical environments. Designed for integration into compatible Siemens panelboards, switchboards, and equipment enclosures, it provides a dependable structural foundation for heavy-duty circuit protection. UL listed for quality and safety compliance, the JKL3400F is a trusted solution for system expansions, switchgear builds, or maintenance frame replacements. Purchase the JKL3400F at Electrical.com, your reliable partner for industrial and commercial electrical products. Our selection includes trusted circuit breakers from manufacturers like Siemens, Eaton, Cutler-Hammer, and Schneider Electric, backed by a knowledgeable sales team ready to assist with technical questions, product selection, and support.