GE THQB1120GFT - 20 A, 120 V, 1-Pole Bolt-On Circuit Breaker | AmpState

GE THQB1120GFT is a 20A, 120V, 1-pole bolt-on molded case circuit breaker designed for dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Built to endure the demands of residential, commercial, and light industrial installations, this breaker delivers reliable performance where it matters most.

Key features that set this unit apart:

• Secure bolt-on mounting provides a rigid, vibration-resistant bus connection, reducing movement that can affect protection reliability over time.
• Thermal-magnetic trip unit delivers stable, repeatable protection by combining thermal overload sensing with magnetic short-circuit fast-tripping for immediate response when faults occur.
• OEM compatibility designed to be compatible with matching GE load centers and panelboards, ensuring straightforward replacement and cohesive system integration.
• Versatile application suitable for residential panels, commercial spaces, and light industrial electrical sets that require dependable single-pole protection.

Why this breaker matters for your electrical system

In everyday panelboards and load centers, reliable protection means preventing damage from overloads and shorts while minimizing nuisance trips. The THQB1120GFT’s molded case construction helps withstand heat and vibration in busy installations, while the thermal-magnetic trip unit gives you precise, fast responses tailored to branch circuits.

Specifications at a glance

• Manufacturer: GE
• Part Number: THQB1120GFT
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 20A
• Voltage Rating: 120V
• Number of Poles: 1
• Mounting Style: Bolt-on
• Application: Provides branch circuit overcurrent and short-circuit protection

Ideal use cases and installation scenarios

• Replacement for aging or worn-out single-pole breakers in residential panelboards and load centers.
• Protection for lighting circuits, general receptacle runs, and small appliance circuits in homes and small commercial spaces.
• Installations in basements, garages, and utility rooms where reliable single-pole protection is essential.
• Upgrade for scenarios requiring OEM-compatible components to maintain panel performance and warranty integrity.

Practical considerations for installation and operation:

• Ensure compatibility with your GE OEM load center or panelboard to preserve system integrity and code compliance.
• Use standard mounting hardware and follow manufacturer guidelines to achieve the secure bolt-on connection that minimizes vibration-related issues.
• Rely on the thermal-magnetic trip to handle both overload and short-circuit conditions, reducing the risk of damage to downstream devices and wiring.

When you’re upgrading or stocking replacement parts for your electrical system, the GE THQB1120GFT delivers precise protection, solid mounting, and compatibility that support safe, reliable operation across residential, commercial, and light industrial applications.