Thomas Betts FS340035A 3-Pole Circuit Breaker

Thomas & Betts FS340035A 3-Pole Circuit Breaker is designed to deliver reliable protection in commercial and industrial electrical systems where three-pole circuitry is essential. Built for maintenance, retrofit, and replacement projects, this genuine component helps keep panels running smoothly with exact compatibility in mind.

• Three-pole configuration provides coordinated protection across all three conductors, ideal for three-phase systems or multi-pole protection needs.
• FS340035A part number serves as the primary reference for compatibility, ensuring you match the breaker to your panel or enclosure with confidence.
• Versatile application—perfect for maintenance cycles, retrofit upgrades, and replacement strategies when exact fit is essential.
• Important compatibility note—confirm fit and ratings before ordering. The part number is the best reference to verify compatibility with your specific panel schedule and catalog.
• Trusted reliability from a reputable manufacturer, designed to withstand demanding environments and support consistent protection across all connected circuits.

Who benefits most: electrical contractors, facilities managers, and maintenance teams responsible for keeping three-phase power systems online. Use cases include panel upgrades, spare-part stocking for service fleets, and replacement in aging or expanding installations where a precise part match is required for safe, compliant operation.

Practical guidance for selection and installation: rely on the FS340035A part number to verify compatibility, review your panel’s labeling and catalog to ensure the trip characteristics align with system requirements, and engage a qualified electrician to complete installation in accordance with local codes and safety standards.