GE THQB1115ST1 - 15 A, 120 V, 1-Pole Bolt-On Circuit Breaker | AmpState

GE THQB1115ST1 is a 15A, 120V, 1-pole bolt-on molded case circuit breaker designed to deliver reliable branch‑circuit overcurrent and short‑circuit protection in panelboards and loadcenters.

Why this GE breaker stands out

• Secure bolt-on mounting provides a rigid, vibration‑resistant bus connection, reducing wear and ensuring long‑term reliability in dynamic electrical environments.
• Thermal-magnetic trip unit combines precise thermal sensing with instantaneous magnetic protection for stable, repeatable performance across varying loads and fault conditions.
• OEM-compatible design is engineered to work with matching GE OEM load centers and panelboards, making replacements straightforward and dependable.
• Versatile for multiple settings suitable for residential, commercial, and light industrial applications where dependable protection is essential.

Technical snapshot

• Manufacturer: GE
• Part number: THQB1115ST1
• 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

Use cases and practical benefits

Whether you’re upgrading a GE panelboard or replacing a failed protective device, this 1-pole 15A breaker is a reliable choice for controlling lighting circuits, receptacle outlets, and other general loads. The bolt-on design helps maintain a solid connection in environments with vibration or thermal cycling, making it well-suited for both home electrical panels and light commercial installations.

Installation and compatibility tips

Pair this 15A, 120V, 1-pole bolt-on breaker with GE OEM panelboards designed for THQB-series devices. Verify panel compatibility and ensure the amperage rating matches the circuit you intend to protect. Always follow local electrical codes and manufacturer guidelines during installation to maintain safe, compliant operation.