Cutler Hammer TA300K - Circuit Breaker

The Cutler Hammer TA300K circuit breaker is engineered for real-world reliability in demanding electrical systems. Whether you’re protecting panelboards, switchboards, control panels, or OEM equipment, this device delivers dependable overcurrent protection with safe, predictable operation when it matters most.

Ideal for industrial, commercial, and OEM applications where dependable protection is critical, the TA300K helps minimize downtime, shield wiring, and extend equipment life by interrupting fault currents quickly and cleanly in distribution panels and motor control centers.

• Targeted protection for demanding environments: Provides reliable interruption of overloads and short circuits to safeguard circuits and connected equipment.
• Versatile installation footprint: Designed to integrate seamlessly with panelboards, switchboards, and motor control centers, making retrofits and new builds streamlined.
• Safe, predictable operation: Clear trip and reset behavior reduce uncertainty during fault conditions, supporting safer maintenance and operation.
• OEM-ready reliability: Built to withstand the rigors of continuous use in equipment assemblies, ensuring consistent protection across deployments.
• Durable, long-term performance: Robust construction designed for steady performance in industrial and commercial settings where reliability matters most.

Who benefits most

• Maintenance engineers safeguarding motors, feeders, and critical loads in manufacturing plants and process facilities.
• Electrical contractors specifying dependable protection for distribution panels and control cabinets.
• OEMs incorporating proven protection into equipment housings and automation assemblies.

Practical use cases

• Protecting motor control centers in production lines where unexpected faults can halt entire processes.
• Providing reliable feeder protection in large panelboards serving multiple branch circuits.
• Integrating into OEM equipment where consistent, repeatable protection improves uptime and safety.

Why choose the TA300K

• Brand trust: Cutler Hammer is synonymous with durable protection and safety-conscious design in electrical systems.
• Direct applicability: Built for common industrial and commercial panel configurations, simplifying installation and maintenance.
• Operational certainty: Clear trip behavior and stable performance contribute to smoother commissioning and ongoing reliability.

Installation and best practices

• Verify compatibility with your panel, MCC, or OEM equipment before integrating the TA300K to ensure correct sizing and mounting.
• Follow the manufacturer’s guidelines for torque, electrical connections, and field replacement to maintain protection integrity.
• Keep a spare TA300K on hand in critical facilities to reduce downtime in the event of a fault or routine replacement.
• Document the unit in your maintenance log, noting panel location and circuit associations for quick reference during service.