Westinghouse | HLA3400 | Circuit Breaker | 400A | 600V

Meet the Westinghouse HLA3400 circuit breaker — a purpose-built solution for maintenance, retrofit, and replacement projects where exact specifications matter. With a 400A rating and 600V maximum, this breaker is designed to deliver reliable protection in demanding electrical environments, ensuring your system stays protected while you upgrade or restore performance.

Key specifications that matter

• Amperage: 400A
• Voltage: 600V
• Part number: HLA3400 — the clearest reference for compatibility

Why this Westinghouse HLA3400 stands out

• Direct-fit for compatible panels: Engineered as a precise match for systems that require the HLA3400 family, making retrofit and replacement straightforward without panel modification.
• Reliable downtime protection: A dependable spare or live replacement option for maintenance programs, helping you minimize unplanned outages and keep critical equipment online.
• Clear compatibility beacon: The part number HLA3400 is the best reference to confirm fit with your specific Westinghouse panel or load center, reducing guesswork during procurement.
• Practical for upgrades: Facilitates retrofit projects when upgrading aging infrastructure, enabling you to restore or elevate protection without overhauling existing electrical architecture.

Ideal use cases

• Maintenance stock for regional service teams working with Westinghouse panels
• Replacement in aging electrical infrastructures that require precise 400A, 600V protection
• Retrofit projects where exact part matching speeds up installation and reduces compatibility risk

Before you order

Verify that your panel or system requires a 400A, 600V Westinghouse component and that HLA3400 is the correct compatibility reference for your catalog. This ensures you restore protection quickly and accurately when performing routine servicing or unexpected replacements.