LM3275L | Circuit Breaker | 275A | 3-Pole | 600V

Engineered for rugged industrial environments, the LM3275L 3-Pole Circuit Breaker delivers reliable overcurrent protection for demanding electrical systems. With a 275A amperage rating and a 600V maximum working voltage, it’s built to safeguard multi‑phase distribution in panels, switchgear, and feeders across manufacturing floors, data centers, and large facilities.

• Amperage: 275A
• Poles: 3-Pole
• Voltage: 600V

Whether you’re performing routine maintenance, retrofitting an existing panel, or replacing a worn‑out breaker, the LM3275L is designed for a seamless swap with minimal downtime. The part number LM3275L is the most reliable reference for compatibility, and you should confirm fit and ratings against your equipment before ordering to ensure a perfect match.

Key benefits

• Balanced, three‑pole protection protects all phases, reducing the risk of unbalanced faults and equipment damage.
• Clear, decisive overcurrent protection helps safeguard motors, transformers, and control circuits in demanding environments.
• Standard 3-Pole, 600V configuration supports straightforward replacement and easier stocking for maintenance programs.

Ideal use scenarios

This breaker is well-suited for facilities undertaking maintenance on critical power distribution, retrofit projects that require matching specs for upgraded panel configurations, or replacement programs to maintain inventory alignment with existing systems. It’s a dependable solution for industrial electrical panels and switchboards requiring 275A, 3‑pole, 600V protection.

Compatibility and installation notes

Before ordering, confirm fit and ratings against your panel’s specifications. The LM3275L should be matched to equipment that supports a 275A, 3‑pole, 600V configuration. Verify busbar arrangement, mounting style, and terminal connections to ensure a secure, code‑compliant installation.

For ongoing reliability, incorporate the LM3275L into your preventive maintenance routine—inspect for wear, check connections, and schedule timely replacements to keep distribution systems protected and downtime to a minimum.