GE THHQB1120GFT - 20 A, 120 V, 1-Pole Bolt-On Circuit Breaker | AmpState

GE THHQB1120GFT delivers dependable branch-circuit protection in a compact, bolt-on package designed for panelboards and load centers. This 1-pole, 20A breaker combines a rugged bolt-on mounting with a thermal-magnetic trip unit to provide stable, repeatable protection for residential, commercial, and light industrial applications.

• Amperage: 20A
• Voltage: 120V
• Poles: 1
• Mounting: Bolt-on
• Type: Thermal-magnetic molded case circuit breaker
• Application: Branch circuit overcurrent and short-circuit protection
• Part Number: THHQB1120GFT
• Compatibility: Designed to work with matching GE OEM load centers and panelboards

What makes this GE breaker stand out

• Secure bolt-on mounting creates a rigid, vibration-resistant bus connection, reducing the risk of loose contacts and intermittent trips in demanding electrical environments.
• Thermal-magnetic trip unit delivers precise, reliable protection by responding appropriately to sustained overcurrent and sudden short-circuit events, helping protect wiring and connected equipment.
• OEM-ready compatibility engineered to integrate smoothly with GE load centers and panelboards, ensuring seamless replacement and consistent protection performance.
• Durable molded-case construction built to endure temperature variations and daily wear in residential, commercial, and light industrial settings.

Ideal use scenarios

• New installations in homes or small offices where a compact, reliable 1-pole breaker is required
• Residential service panels needing a straightforward bolt-on replacement that preserves bus integrity
• Commercial spaces and light industrial setups with moderate electrical loads and frequent panel access
• Panelboard upgrades where consistent GE OEM compatibility simplifies stocking and maintenance

Installation and care tips

For best results, mount the THHQB1120GFT on compatible GE panelboards using standard bolt-on procedures. Ensure the breaker seats firmly against the bus connection to maximize transfer low-resistance and minimize potential arcing. Regularly inspect for signs of wear or overheating in the surrounding panel area and replace any damaged components promptly to maintain peak protection performance.

Specifications at a glance

• Manufacturer: GE
• Part Number: THHQB1120GFT
• Type: Thermal-magnetic molded case circuit breaker
• Application: Branch circuit overcurrent and short-circuit protection