EH3040L | Circuit Breaker | 40A | 3-Pole | 480V

Meet the EH3040L, a rugged industrial circuit breaker designed to protect demanding 3‑phase power systems. Identified by its exact part number, EH3040L, this unit is purpose-built for maintenance, retrofit, and replacement projects where matching specifications is essential to minimize downtime and ensure reliable protection.

Key specifications

• Amperage: 40A
• Poles: 3‑Pole
• Voltage: 480V

Why this model stands out

• Exact spec alignment: Using the EH3040L guarantees you’re matching the original design intent, reducing guesswork and installation delays when upgrading or replacing equipment.
• Three‑phase safety in one package: The 3‑pole configuration ensures simultaneous disconnection of all phases, enhancing fault isolation and protecting both equipment and personnel.
• Built for industrial environments: Targeted for distribution panels, feeders, and control circuits that operate at 480V, making it a reliable choice for manufacturing floors, warehouses, and other heavy‑duty settings.

Ideal use cases

• Panel retrofits where the existing protection needs to be preserved with an exact 40A, 3‑pole, 480V specification
• Replacement of aging or failed breakers in 3‑phase 480V systems
• New installations in facilities that run 3‑phase power at 480V, requiring a plug‑in compatible protection device

How to verify compatibility

Before ordering, confirm that the equipment’s documented replacement part aligns with the EH3040L’s 40A rating, 3‑pole configuration, and 480V specification. The part number is the best reference for compatibility, ensuring a seamless fit with your existing panel and wiring practices.

Practical installation considerations

• Review your panel’s wiring diagram and hardware mounting requirements to ensure proper physical fit and clearances.
• Follow applicable electrical codes and safety procedures during installation and testing.
• Label and document the replacement with the EH3040L part number to support future maintenance checks and audits.

Choose the EH3040L when your project demands a precise, reliable 40A, 3‑pole protection solution for 480V systems. Its exact specifications, coupled with real‑world applicability for maintenance, retrofit, and replacement work, help you keep critical infrastructure running smoothly with minimal downtime.