GE THQB2145 - 45 A, 240 V, 2-Pole Bolt-On Circuit Breaker | AmpState

Meet the GE THQB2145 45A, 240V, 2-pole bolt-on molded case circuit breaker — the dependable choice for protecting branch circuits in panelboards and load centers. Built to endure vibration and deliver consistent protection, this device is engineered for residential, commercial, and light industrial electrical systems where reliability matters most.

Why this breaker stands out

• Secure bolt-on mounting provides a rigid, vibration-resistant bus connection, helping maintain solid electrical contact over time and reducing maintenance concerns in busy electrical environments.
• Thermal-magnetic trip unit delivers stable, repeatable protection by combining precise thermal protection with fast magnetic sensing during short circuits—minimizing nuisance trips and safeguarding connected equipment.
• 2-pole, 45A, 240V configuration is well-suited for feeding substantial branch circuits while keeping system voltage and current within safe, designed-for limits.
• Molded-case, rugged construction designed to withstand the demands of daily electrical operation in panelboards and load centers.
• OEM-compatible compatibility ensures seamless replacement in matching GE OEM panels and other compatible load centers, reducing installation guesswork.
• Versatile application ideal for residential, commercial, and light industrial environments requiring reliable overcurrent and short-circuit protection.

Key use cases

• Protect major branch circuits feeding lighting, receptacles, or equipment in home panels.
• Install in commercial panelboards to safeguard critical feeders against overcurrent and short circuits.
• Apply in light industrial setups where reliable 2-pole protection at 240V is required.

Technical snapshot

• Manufacturer: GE
• Part Number: THQB2145
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 45 A
• Voltage Rating: 240 V
• Number of Poles: 2
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Practical installation notes

• Use with compatible GE OEM panelboards or load centers to ensure a proper fit and reliable operation.
• Follow local electrical codes and have a qualified electrician perform installation and verification of correct bus alignment and secure mounting.
• Verify that the circuit’s load profile stays within the 45 A rating to prevent nuisance trips and maximize protection.

The GE THQB2145 combines a robust bolt-on design with a dependable thermal-magnetic trip mechanism to deliver precise protection for your most important circuits. Whether upgrading an existing panel or equipping a new installation, this 45 A, 240 V, 2-pole breaker offers clear benefits in reliability, compatibility, and long-term system stability.