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

Meet the GE THHQB2145 — a circuit breaker engineered for reliable protection in panelboards, load centers, and broader electrical distribution systems. This 2-pole, 45-amp, 240-volt unit features a bolt-on design that provides a secure, field-ready connection, making it ideal for both new installations and critical replacements.

Exact fit and original BOM compatibility

Designed to align with the original GE specifications, the THHQB2145 helps keep your bill of materials (BOM) consistent with the part number you started with. Stocking this exact type ensures rapid swaps in the field and minimizes configuration risk during maintenance or expansion projects.

Key specifications

• Manufacturer: GE
• Part number: THHQB2145
• Product type: Circuit Breaker
• Amperage: 45 A
• Poles: 2
• Voltage: 240 V
• Mounting: Bolt-On

What makes it the right choice

Whether you're replacing a failed unit or stocking spares for ongoing operations, this GE THHQB2145 offers:

• Proven GE reliability for critical electrical distribution tasks
• Secure, tool-friendly bolt-on mounting that simplifies installation in compatible panels
• Consistent performance for general-purpose circuit protection in residential, commercial, or light industrial settings

Use cases and scenarios

• Replacement projects in GE-panelboards and load centers requiring a 2-pole 45 A 240 V breaker
• Spare stocking to maintain BOM alignment with the original part number
• Maintenance schedules where quick, field-ready swaps minimize downtime

Need help confirming fit?

AmpState is ready to assist. If you’re unsure about compatibility or part-number matching, send us a note and we’ll help confirm the correct fit for your panel or distribution setup.