Eaton | LD3400 | Circuit Breaker | 400A | 3-Pole | 600V

Meet the Eaton LD3400 Circuit Breaker—a reliable, high-capacity protection solution for 600V electrical systems. Designed for demanding environments, this 400A, 3‑pole breaker delivers solid fault interruption and dependable performance, making it a trusted choice for maintenance, retrofit, and replacement projects.

• Amperage: 400 A
• Poles: 3-Pole
• Voltage: 600 V
• Reference: Part number LD3400 is the best compatibility reference

Key benefits and practical uses:

• Ideal for upgrading or restoring protection in 600V panels where a precise, compatible part is required.
• Perfect for maintenance, retrofit, or replacement scenarios, ensuring your electrical system continues to operate with proper overcurrent protection.
• Clear compatibility guidance is provided by the LD3400 part number, reducing guesswork when ordering and reducing downtime.

Notes to ensure a seamless fit: Confirm the breaker’s fit and ratings against your specific panel model and bus arrangement before ordering. The LD3400 part number is the most reliable reference for ensuring compatibility and safe operation.

Why choose this Eaton LD3400 breaker over generic alternatives? It’s engineered to meet Eaton’s stringent standards for performance, reliability, and predictable trip behavior in 600V circuits. By using the exact LD3400 specification, you minimize the risk of mismatched components and streamline installation, inspection, and future servicing.

Practical tips for installation and planning:

• Cross-check your panel’s model and bus configuration to ensure a flawless retrofit with the LD3400.
• Keep the LD3400 on hand as a standard part in maintenance inventories to accelerate replacements in critical 600V circuits.
• Document the exact part number on purchase orders and service records to maintain traceability and code compliance.