GE THQB2140 - 40 A, 240 V, 2-Pole Bolt-On Circuit Breaker | AmpState

Meet the GE THQB2140: a 40A, 240V, two-pole bolt-on molded case circuit breaker designed to shield your panelboards and load centers from overcurrent and short-circuit events. Built for dependable protection, it combines robust mounting with precise trip performance to keep electrical systems safe and running smoothly.

• Secure bolt-on mounting: delivers a rigid, vibration-resistant bus connection that stays tight through normal operation and environmental vibration.
• Thermal-magnetic trip unit: provides stable, repeatable protection by responding reliably to overloads and short circuits, maintaining consistent performance across varying conditions.
• OEM panel compatibility: designed to fit and function with matching GE OEM load centers and panelboards, making replacements straightforward and reliable.
• Versatile, multi-app use: suitable for residential, commercial, and light industrial applications where 240V two-pole protection is required.
• Clear electrical specs: 40A current rating, 240V voltage rating, 2 poles, bolt-on mounting, type thermal-magnetic molded case circuit breaker.

Technical specifications

• Manufacturer: GE
• Part number: THQB2140
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 40 A
• Voltage rating: 240 V
• Number of poles: 2
• Mounting style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Use cases and practical applications

The GE THQB2140 is an excellent choice when you need a reliable two-pole breaker for 240V circuits in GE-origin panelboards and load centers. It’s ideal for replacing a failed breaker or adding a dedicated 240V protection point in residential subpanels, commercial distribution panels, or light industrial electrical runs. With its bolt-on design, it’s suited for installations where a sturdy, vibration-resistant connection is essential, delivering consistent performance in environments with regular equipment operation or movement.

Why choose the GE THQB2140

This breaker isn’t just about specs—it's about dependable protection that you can count on day in and day out. The combination of bolt-on mounting for a secure bus connection and a thermal-magnetic trip unit for precise, repeatable response means fewer nuisance trips and more predictable protection for your 240V circuits. Paired with compatibility for GE OEM panels, it simplifies sourcing and maintenance, letting you keep your panel system cohesive and compliant.