Thomas & Betts | FS340030A | Circuit Breaker | 30A | 3-Pole | 480V

Meet the Thomas & Betts FS340030A circuit breaker — a purpose-built protection device designed for demanding 480V, three-phase power systems. Identified by the exact part number FS340030A, this unit is ideal for maintenance, retrofit, and replacement projects where precise compatibility matters.

Key specifications

• Amperage: 30A
• Poles: 3-Pole
• Voltage rating: 480V

Why choose the FS340030A for your system

Designed to slot into compatible equipment where this exact model is specified, the FS340030A ensures reliable protection for three-phase lines. Count on a robust, field-proven design from Thomas & Betts that’s built to withstand the demands of industrial environments and provide dependable fault protection when it matters most.

Use cases and applications

• Maintenance replacements in industrial controls, manufacturing lines, or HVAC distribution within 480V three-phase systems.
• Retrofit upgrades where the existing panel or MCC requires a 3-pole, 30A device with a 480V rating.
• Spare for critical inventories—part-number-based compatibility reduces downtime during replacements.

Fit, compatibility, and installation notes

Important: Confirm fit and ratings before ordering. The FS340030A part number is the best reference for compatibility with your panel, MCC, or switchgear. If your system matches a 3-pole, 480V, 30A profile, this device is designed to integrate cleanly. Verify mounting style, busbar configuration, and any panel-specific requirements, and consult your panel’s documentation before replacement.

Practical guidance and tips

• Keep a spare FS340030A on hand for planned maintenance to minimize downtime.
• When replacing, ensure the installation area is de-energized and follow all safety procedures for high-voltage work.
• Document the exact part number and panel model in your maintenance log to simplify future sourcing.