Allen-Bradley 140U-H6C3-C20-MT 20A 3-Pole Circuit Breaker

Meet the Allen-Bradley 140U-H6C3-C20-MT, a purpose-built 20 A circuit breaker engineered for demanding 3‑phase environments. This 3‑pole unit delivers dependable overload and short‑circuit protection, helping you safeguard motors, drives, and other critical loads in industrial control panels and distribution setups.

Why this 3-pole breaker stands out

• Three-phase protection: The 3‑pole design provides balanced interruption for all phases, reducing the risk of phase-to-phase faults and equipment damage.
• Precise current rating: With a precise 20 A protection level, it protects wiring and motors from nuisance overloads while allowing legitimate workload to run uninterrupted.
• Trusted brand reliability: Built by Allen-Bradley, a long-standing name in industrial protection and control, ensuring robust construction and consistent trip performance in tough environments.
• Compact, panel-friendly form: Designed for integration into standard control panels and distribution boards where three-phase protection is required without occupying excessive space.

Ideal use cases

• Motor control centers and machine panels in manufacturing lines where three-phase motors require reliable protection.
• Three-phase power distribution for industrial automation assemblies, pumps, and compressors.
• Controls and protection for HVAC systems and large-equipment enclosures in commercial or light industrial settings.

What you gain with the 140U-H6C3-C20-MT

• Clear, decisive protection that helps minimize downtime and maintenance costs by preventing damaging overloads.
• Operational clarity in panel design: a single, well-defined part number—140U-H6C3-C20-MT—for streamlined sourcing and replacement.
• Compatibility with standard electrical ecosystems built around Allen-Bradley protection devices, simplifying integration with existing components and documentation.

Practical installation tips

• Verify that your load demands align with the 20 A rating to prevent nuisance trips during peak operation.
• Follow your panel manufacturer’s installation torque specifications on terminals to ensure reliable connections.
• Test the breaker's trip function periodically as part of routine maintenance to confirm reliable actuation when needed.

Whether you’re designing a new panel or upgrading an existing system, the Allen-Bradley 140U-H6C3-C20-MT 20A 3‑pole circuit breaker offers reliable, three‑phase protection with the durability and support you expect from a premier industrial brand. Add it to your build list and experience focused, real-world protection for your critical equipment.