Industrial LA3400FS 400A 3-Pole 600 V Circuit Breaker

Industrial LA3400FS 400A 3-Pole 600 V Circuit Breaker supplies robust, real-world protection for demanding three‑phase power systems. With a 400 A rating and a 600 V maximum working voltage, this breaker is purpose-built for heavy feeder lines, motors, and large electrical bays in industrial settings. The part number LA3400FS makes it easy to source exact replacements and ensure compatibility with existing panels and MCCs.

• Three-pole protection delivers synchronized interruption across all phases, safeguarding three-phase circuits from overcurrents.
• 400 A current rating supports sizeable motor loads, conveyors, and other high‑demand equipment without frequent nuisance trips during normal operation.
• 600 V voltage rating aligns with common industrial power distribution, enabling reliable protection for your main feeders and branch circuits.
• Industrial-grade construction built to withstand the rigors of continuous operation in manufacturing floors, warehouses, and other demanding environments.
• Easy integration designed to fit into standard industrial panels and distribution assemblies, streamlining upgrades or panel refurbishments.
• ClearTrace compatibility straightforward sourcing through the LA3400FS family simplifies maintenance, stocking, and future replacements.

Ideal use cases include motor control centers, large machinery feeders, production line power distribution, and HVAC or process equipment distributions in factories and facilities that run on three-phase power at up to 600 volts.

Why this model stands out is its precise alignment of rating, phase configuration, and voltage with typical industrial installations. The LA3400FS 400A 3-Pole 600 V Circuit Breaker provides dependable overcurrent protection while enabling clear, straightforward planning for upgrades, replacements, or new builds—without overcomplicating panel layouts or stock management.

Practical tips for use:

• Verify that your system operates within a three-phase, 600 V framework and that the load profile justifies a 400 A rating.
• Plan for easy maintenance by keeping a small stock of LA3400FS parts and related accessories on hand.
• When installing or replacing, follow manufacturer and electrical code guidelines, ensuring secure connections and proper torque on terminals.
• Document the replacement part number (LA3400FS) in panel logs to simplify future servicing and part sourcing.

For facilities seeking reliable protection for high‑demand, three‑phase circuits, the Industrial LA3400FS 400A 3-Pole 600 V Circuit Breaker offers a clear, practical solution that aligns with real-world power distribution needs.