Square D LJ-308 - 20A, 1-Pole, Circuit Breaker

Square D LJ-308 is a 20A, 1-Pole circuit breaker engineered for dependable overcurrent protection in industrial and commercial power distribution. Its compact 1-Pole design offers flexible installation in panelboards, switchboards, and control panels, making it a practical choice for tight enclosures and modular layouts.

With a 20-amp rating, this LJ-308 supports single-phase circuits and common control-load applications without sacrificing space or performance. It provides reliable trip behavior to help protect wiring, components, and connected equipment from overloads, facilitating safer operation in demanding environments.

• Key applications: panelboards, switchboards, and control panels in industrial facilities
• Ideal for OEM equipment enclosures that require a compact, dependable protection device
• Suitable for distribution panels and motor control centers needing consistent overcurrent protection

Why this Square D LJ-308 stands out - It delivers straightforward, single-pole protection tailored to single-phase circuits commonly found in lighting, control circuits, and small motor loads. The 20A rating aligns with many standard branch-circuit requirements, helping you design safer, more reliable electrical systems without unnecessary component complexity.

Practical advantages - Easy integration with existing Square D panel ecosystems, predictable performance under overload conditions, and streamlined maintenance with a standard, replaceable protective device. This makes it a solid choice for facilities aiming to minimize downtime and simplify parts management for both daily operations and OEM production lines.