Eaton | LM3300 | Circuit Breaker | 3-Pole

Meet the Eaton LM3300 3-Pole Circuit Breaker—an OEM-proven protection device engineered for reliable three-phase power, built to support maintenance, retrofit, and replacement projects where exact specifications matter. This is the trusted choice when your panel or equipment requires a genuine Eaton 3-pole breaker that aligns with your existing electrical architecture.

Key benefits that matter in the field

• Three-pole configuration provides coordinated protection across all three phases with a common trip, essential for safeguarding motors, compressors, and other 3‑phase machinery
• Genuine LM3300 part ensures electrical characteristics, trip behavior, and performance align with the original design, reducing mismatch risk during repairs or upgrades
• Maintenance-friendly replacement design supports straightforward swap-out in service environments, helping minimize downtime without complex rework
• Reliability and support from a trusted manufacturer with an established ecosystem for parts, documentation, and service guidance

Important note before you order

Confirm fit and ratings before purchasing. The part number LM3300 is the best reference for compatibility with your panel or equipment. If your documentation references LM3300, you’re likely aligned with the correct form factor and electrical characteristics for a seamless replacement.

Who benefits from the LM3300 3-Pole Circuit Breaker

• Facilities engineers and maintenance technicians responsible for keeping industrial lines, HVAC drive systems, and machinery protected
• Panel builders and OEMs seeking a dependable, OEM-coded protection device that matches existing equipment
• Service contractors performing retrofits or replacements in commercial or light industrial settings

Practical use cases

• Replacing a failed 3‑pole breaker in a three-phase distribution panel to restore equipment protection and uptime
• Retrofit projects where original equipment requires an Eaton LM3300-compatible 3-pole device
• Spare parts inventory for service contracts that cover three-phase motor control and critical loads

Why this LM3300 stands out

Unlike generic replacements, the Eaton LM3300 3-Pole Circuit Breaker offers verified compatibility with Eaton panels and a consistent trip profile that technicians rely on for predictable protection. This means less guesswork during installation and a clearer path to compliant, safe operation across your three-phase systems.

When you’re configuring or repairing three-phase power, precision matters. Choose the LM3300 3-Pole Circuit Breaker for a purpose-built solution that aligns with your existing Eaton infrastructure, supports straightforward maintenance, and helps you keep critical equipment safeguarded with confidence.