GE THHQB1115 - 15 A, 120 V, 1-Pole Bolt-On Circuit Breaker | AmpState

The GE THHQB1115 is a robust, purpose-built 15A, 120V, 1-pole bolt-on molded case circuit breaker designed to protect branch circuits in panelboards and loadcenters. Built for dependable overcurrent and short-circuit protection, this unit helps keep residential, commercial, and light industrial electrical systems safe and reliable.

• Secure bolt-on mounting provides a rigid, vibration-resistant bus connection, reducing tracking and ensuring consistent electrical performance over time.
• Thermal-magnetic trip unit delivers stable, repeatable protection by responding appropriately to both gradual overloads and sudden short circuits.
• OEM-compatible design works seamlessly with matching GE and compatible loadcenters and panelboards, simplifying replacement and upgrades.
• Versatile 1-pole, 15A protection is ideal for lighting circuits, outlets, small appliances, and other branch circuits that require reliable, localized protection.

Why choose the GE THHQB1115 for your panel?

Unlike generic substitutes, the THHQB1115 is engineered to align with GE’s trusted electrical system components. The bolt-on mounting minimizes loosening from vibration, ensuring a long-lasting connection in both new installations and service upgrades. The thermal-magnetic trip provides dependable protection curves for standard 120V residential loads and light commercial panels, helping to prevent nuisance trips while still safeguarding equipment.

Ideal applications

• Residential service panels and subpanels where dependable branch circuit protection is needed
• Commercial lighting and receptacle circuits in small offices or retail spaces
• Light industrial panels requiring stable, consistent protection for critical circuits
• Panelboard retrofits where compatibility with existing GE load centers is important

Technical specifications

• Manufacturer: GE
• Part number: THHQB1115
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 15A
• Voltage rating: 120V
• Number of poles: 1
• Mounting style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Installation and maintenance tips

Ensure the panelboard you’re upgrading or wiring aligns with a 1-pole, 15A bolt-on design. Confirm compatibility with the existing GE or OEM load centers, and secure the breaker firmly to maintain a solid bus connection. Regularly inspect for signs of wear or loosening, especially in environments with vibration or temperature fluctuations. For best results, pair the THHQB1115 with other GE protection devices that share the same family design to maintain consistent trip characteristics across your panel.

What you can expect

• Reliable protection that minimizes downtime due to nuisance trips while safeguarding wiring and connected loads
• Long-term connection integrity through a secure bolt-on mounting that resists vibration and loosening
• Simple, compatible replacement in GE and OEM loadcenters, reducing installation complexity
• Clear, predictable trip behavior in everyday residential and light commercial electrical systems