Allen Bradley 140G-K-TC3L - Circuit Breaker

Meet the Allen-Bradley 140G-K-TC3L circuit breaker — a purpose-built overcurrent protection device engineered for reliability in harsh electrical environments. Designed to anchor protection in panelboards, switchboards, control panels, and OEM machinery, it delivers dependable performance where downtime isn’t an option.

Who benefits from this breaker? facilities and manufacturers operating in industrial and commercial settings, and OEMs integrating protection directly into equipment. Whether you're wiring a distribution panel, a motor control center, or a control panel for automated processes, the 140G-K-TC3L provides robust, field-proven protection you can trust.

• Focused protection for demanding systems: engineered to interrupt fault currents cleanly and safely, helping prevent damage to downstream equipment and wiring.
• Seamless integration with Allen-Bradley ecosystems: part of the Allen-Bradley family, ensuring compatibility with other components in AB control systems and panels.
• Versatile installation footprint: suitable for installation across panelboards, switchboards, control panels, and OEM equipment, simplifying design and procurement.
• Industrial-grade reliability: built for continuous operation in industrial environments where dependable overcurrent protection is critical for safe operation.

Key considerations and use cases:

• Protection for distribution panels and motor control centers where consistent trip performance protects motors, drives, and feeders.
• Upgrade or retrofit projects seeking a trusted, field-proven AB component for overcurrent protection in existing installations.
• OEM equipment integration requiring a compact, reliable circuit breaker that aligns with standard AB components.

Why choose the 140G-K-TC3L over other breakers? It’s not just about breaking the circuit — it's about predictable, safe operation under everyday fault conditions. By choosing a device designed for industrial reliability and seamless AB compatibility, you reduce integration risk and simplify maintenance planning, all while maintaining continuous protection for your critical loads.