Westinghouse | HLC3400F | Circuit Breaker | 400A | 3-Pole | 600V | Bolt-On

The Westinghouse HLC3400F Circuit Breaker is a heavy‑duty, bolt‑on protector designed for demanding 3‑phase, 600V systems. With a robust 400A rating and a 3‑pole configuration, it delivers reliable overcurrent protection for retrofit projects, field maintenance, or replacement in industrial and commercial electrical environments. Built to fit in compatible panels where a bolt‑on style is required, this unit keeps critical circuits guarded with minimal downtime.

• Amperage: 400A
• Poles: 3‑Pole
• Voltage: 600V
• Mounting: Bolt‑On
• Part Number: HLC3400F

Important: Confirm fit and ratings before ordering. The part number is the best reference for compatibility, helping ensure a seamless swap into your existing panel or retrofit project.

Why the Westinghouse HLC3400F stands out

In environments where three‑phase power drives serious loads, the HLC3400F delivers dependable, consistent protection across all three hot lines. The bolt‑on mounting design simplifies installation, reducing panel downtime during replacements or upgrades. By sticking with the exact part number—HLC3400F—you minimize compatibility risk and streamline the sourcing process, making it a practical choice for electricians handling maintenance or retrofits in 600V systems.

Ideal use cases

• Retrofit projects in commercial or light industrial panels that run 3‑phase, 600V circuits.
• Replacement for aging or non‑spec breakers within compatible Westinghouse panel families.
• Maintenance and upgrade scenarios where a high‑amp, three‑pole protection device is required to safeguard large loads.

What problems it solves

• Provides reliable protection for high‑draw equipment and three‑phase motors against short circuits and overcurrents.
• Speeds up field replacements with a bolt‑on design that fits into compatible panels without extensive rewiring.
• Offers a clear, unambiguous reference for compatibility—reducing ordering errors and project delays.

Installation and compatibility tips

• Always verify that your panel accepts bolt‑on, 3‑pole, 600V protection devices and that the amperage rating aligns with your load requirements.
• Use the part number HLC3400F as the primary reference when confirming cross‑compatibility with your existing panel lineup.
• Prepare the mounting hardware and follow established safety procedures to ensure a secure, compliant installation.

For professionals tackling 3‑phase, high‑voltage applications, the Westinghouse HLC3400F delivers a precise, dependable solution that aligns with your retrofit and maintenance goals. It’s a purpose‑built choice when you need a reliable 400A, 3‑pole, 600V bolt‑on circuit breaker that you can trust to protect essential equipment and keep operations running smoothly.