GE THHQB2140 40A 2P 240V Circuit Breaker, Bolt-On | AmpState

Engineered for everyday electrical protection, the GE THHQB2140 is a dependable 40A, 2-pole, 240V bolt-on circuit breaker designed to secure panelboards, load centers, and electrical distribution systems. Built for maintenance teams, panel builders, and spare-inventory workflows, this breaker delivers a direct part-number match when fast, reliable replacements are needed.

Why this breaker stands out

• Exact part number: THHQB2140 ensures precise compatibility, reducing guesswork during replacements or stocking.
• Two-pole, 240V operation: Ideal for standard multi-wire branch circuits and common commercial/industrial applications.
• Bolt-on mounting: Provides a secure, vibration-resistant connection inside panelboards and distribution setups, simplifying installation and maintenance.
• 40-amp protection: Delivers reliable overcurrent protection tailored for moderate-load circuits, helping to prevent wiring damage and faults.
• Inventory-friendly: A smart choice for spare parts lists where fast fit and availability matter—now available from AmpState.

Specifications at a glance

• Amperage: 40 A
• Poles: 2
• Voltage: 240V
• Mounting: Bolt-On
• Manufacturer: GE
• Part Number: THHQB2140
• Product Type: Circuit Breaker

Ideal use scenarios

• Maintenance teams performing routine panel replacements or upgrades who require an exact match to existing gear.
• Panel builders assembling new electrical distribution systems with proven GE components.
• Spare-inventory programs for service vans and contractor fleets to minimize downtime during outages.
• Residential, commercial, or light-industrial projects where 2-pole 240V protection is needed.

Fit, compatibility, and support

If you need help confirming fit or compatibility with your specific panel or distribution setup, AmpState offers expert assistance to verify the part-number match. Need help matching a part-number or confirming compatibility? Message us and we’ll help you confirm fit.

Why choose GE for circuit protection

GE has a long-standing reputation for reliable electrical protection solutions. The THHQB2140 combines robust bolt-on mounting, precise 40 A protection, and 240V operation in a two-pole design, delivering predictable performance across daily workloads. Whether you’re stocking for maintenance crews or building out new panels, this breaker provides a practical, ready-to-install option that integrates smoothly with standard GE-compatible panel systems.