GE THHQB2145 - 45 A, 240 V, 2-Pole Bolt-On Circuit Breaker | AmpState

GE THHQB2145 — 45A, 240V, 2-pole bolt-on molded case circuit breaker. Designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers, it combines solid construction with precise protection performance for peace of mind in demanding electrical environments.

Why this bolt-on breaker stands out

• Secure bolt-on mounting provides a rigid, vibration-resistant connection to the bus, reducing the risk of loose connections and heat-generated issues in busy panels.
• Thermal-magnetic trip unit delivers stable, repeatable protection across a broad range of loads and temperatures, minimizing nuisance trips while safeguarding circuits.
• OEM-compatible design is built to work with matching GE load centers and other compatible panelboards, simplifying replacements and upgrades without compromising performance.
• Versatile for multiple applications ideal for residential, commercial, and light industrial installations where reliable 240V circuit protection is essential.

Practical uses and scenarios

Use the THHQB2145 to guard a 240V branch circuit powering essential equipment, HVAC components, pumps, or heating elements. Its two-pole configuration ensures both hot legs are protected, allowing for a clean, coordinated shutdown of multi-wire circuits. The bolt-on style is particularly advantageous in installations where vibration, panel access, or heavy-duty service demands a solid, long-lasting connection.

Technical snapshot

• Manufacturer: GE
• Part Number: THHQB2145
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 45A
• Voltage Rating: 240V
• Number of Poles: 2
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

For installers and facilities managers seeking a reliable, easy-to-specify protection device, the GE THHQB2145 delivers consistent performance with OEM compatibility. It’s a smart choice for refreshing panelboards or standardizing on a trusted thermal-magnetic solution across residential, commercial, and light industrial projects—backed by GE reliability and the AmpState availability you expect.