Thomas & Betts | TBBQ2402120 | Circuit Breaker | 40A | 2-Pole | 240V | Plug-In

Meet the Thomas & Betts TBBQ2402120 Circuit Breaker — a precise, plug-in solution engineered for dependable overcurrent protection. With a 40A rating, 2-Pole design, and 240V operation, this unit is purpose-built for maintenance, retrofit, and replacement projects where exact specs matter. The part number TBBQ2402120 is your best reference for compatibility, ensuring you’re selecting the right plug-in breaker for your panel.

What makes this model stand out

• Exact electrical specs for reliable protection — 40A current rating paired with a 2-pole configuration provides robust simultaneous protection across a split-phase circuit at 240V.
• Plug-in design for quick, field-friendly replacements — swap-in capability minimizes wiring changes and downtime when upgrading or repairing panels that support this style.
• OEM part integrity — manufactured by Thomas & Betts, with the TBBQ2402120 designation that aligns with compatible load centers and panel families designed for plug-in breakers.
• Targeted use cases — ideal for maintenance cycles, retrofit projects, or replacing a worn-out breaker in systems that require a precise 2-pole, 240V plug-in solution.
• Clear compatibility guidance — the part number is the most reliable reference for matching against your panel’s requirements; verify fit and ratings before ordering.

How and where you’ll use it

This 40A, 2-pole, 240V plug-in breaker is suited for electrical setups that demand quick replacement without altering existing wiring. It’s a practical choice for serviceability in commercial or industrial panels where a plug-in unit that matches the original specifications is needed to maintain circuit protection integrity.

Key specifications at a glance

• Amperage: 40A
• Poles: 2-Pole
• Voltage: 240V
• Type: Plug-In
• Part number: TBBQ2402120

Pro tips for best results

• Before ordering, confirm that your panel accepts plug-in breakers of this style and that the category matches the TBBQ family requirements.
• When replacing a unit, follow your panel’s service procedures to safely de-energize the circuit and verify continuous protection after installation.
• Retain the original part number as your reference during maintenance logs or future replacements to ensure ongoing compatibility.