General Electrics THQB1145 - 45 A, 1-Pole Bolt-On Circuit Breaker | AmpState

Protect critical circuits with the General Electric THQB1145 45A, 1-Pole Bolt-On Molded Case Circuit Breaker — a rugged, reliable solution designed for dependable branch circuit overcurrent and short‑circuit protection in panelboards and load centers. Built to stay secure in demanding environments, this GE breaker delivers consistent performance where protection matters most.

• Secure bolt-on mounting—provides a rigid, vibration‑resistant bus connection that stays tight through equipment start-ups and routine operation.
• Thermal-magnetic trip unit—offers stable, repeatable protection by quickly responding to overloads and short circuits, helping to minimize nuisance trips and protect wiring and devices.
• 1-pole, 45A design—compact, effective protection for individual branch circuits that need reliable current limiting in residential, commercial, or light industrial setups.
• Molded case construction—durable housing built to withstand everyday panelboard use and provide long service life in electrical protection systems.
• OEM compatibility—specifically designed to be compatible with matching GE OEM load centers and panelboards for a seamless, dependable installation.
• Versatile applications—an excellent choice for protecting lighting, receptacle circuits, small equipment, or dedicated loads in homes, offices, retail spaces, and light industrial environments.

Why this GE THQB1145 stands out

Unlike generic substitutes, the THQB1145 is built to integrate smoothly with General Electric panelboard ecosystems, ensuring consistent trip performance and a secure bus connection in real-world installations. The combination of bolt-on mounting and a thermal-magnetic trip unit provides a practical balance of firm mechanical integrity and reliable electrical protection, reducing downtime and maintenance needs in the field.

Use cases and scenarios

• New installations in residential panels where a dedicated 45A circuit needs robust protection without adding complexity to the wiring.
• Retrofits in light commercial spaces where panelboard compatibility and a secure mounting method prevent connection loosening in busy environments.
• Protecting critical loads such as irrigation pumps, small HVAC controls, or commercial lighting circuits where fast, predictable trip response matters.

Technical snapshot

• Manufacturer: General Electrics
• Part Number: THQB1145
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 45A
• Number of Poles: 1
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

When you need dependable, field‑tested protection that aligns with GE's panelboard ecosystems, the THQB1145 delivers clear benefits: secure installation, repeatable protection, and compatibility with OEM hardware—all aimed at keeping circuits safe and systems running smoothly. Add this 45A, 1-pole bolt-on breaker to your panel toolbox and experience the practical reliability that professionals count on.