REH3040L | Circuit Breaker | 40A | 3-Pole | 480V

Designed for reliability in demanding industrial environments, the REH3040L circuit breaker delivers precise overcurrent protection for 3‑phase systems at 480V. It’s the smart choice for maintenance, retrofit, and replacement projects that require exact specifications and a direct compatibility match.

Key details

• Amperage: 40A
• Poles: 3‑Pole
• Voltage: 480V
• Reference: Part number REH3040L

Why this matters

• Exact spec alignment reduces the risk of mismatches that can cause nuisance trips or gaps in protection for your 3‑phase 480V distribution
• The part number REH3040L is your best reference for compatibility, streamlining procurement and installation
• Reliable, standardized protection for critical loads in manufacturing, automation, and industrial facilities

Ideal use cases

• Retrofit projects where existing equipment requires a 40A, 3‑pole, 480V solution to match current panel ratings
• Replacement of a failed breaker in 3‑phase, 480V circuits to minimize downtime and maintain consistent protection
• New installations that demand a dependable 40A protection device for 3‑phase feeders and motor power circuits

Practical installation and compatibility tips

• Always confirm fit and ratings before ordering. The REH3040L part number is the best reference for compatibility with your panel and downstream protection requirements
• Cross‑check your panel labeling to ensure acceptance of a 40A, 3‑pole, 480V device
• Prioritize stock standardization across sites to simplify maintenance and reduce part‑finding delays during outages

Whether you’re upgrading an aging system or stocking for routine maintenance, the REH3040L delivers precise, dependable protection for 3‑phase 480V networks. Its focused 40A capacity and three‑pole configuration make it an ideal, compatible choice for industrial environments where downtime is costly and safety matters.