GE THHQB32020 - 20 A, 240 V, 3-Pole Bolt-On Circuit Breaker | AmpState

GE THHQB32020 is a 20A, 240V, 3-pole bolt-on molded case circuit breaker engineered for reliable branch circuit protection in panelboards and loadcenters. Built to withstand vibration and maintain a solid bus connection, this breaker delivers dependable performance in busy electrical environments—from homes to light commercial settings.

Why this 3-pole bolt-on breaker stands out

• Secure bolt-on mounting: provides a rigid, vibration-resistant bus connection that stays tight, reducing nuisance trips caused by loosening connections in active panels.
• Thermal-magnetic trip unit: delivers stable, repeatable protection by responding to both steady overcurrents and short circuits, ensuring quick and predictable fault clearing.
• OEM-compatible: designed to pair with matching GE OEM load centers and panelboards for a seamless fit, accurate labeling, and straightforward replacement.
• Versatile applicability: ideal for residential panels, commercial installations, and light industrial applications where dependable circuit protection matters.
• 3-pole, 20A, 240V configuration: protects three hot conductors in 3-phase or multi-wire systems, suitable for small motors, lighting circuits, and other branch loads.
• Bolt-on convenience: easy installation in compatible panels with a secure, durable connection designed for long-term reliability.

Technical snapshot

• Manufacturer: GE
• Part number: THHQB32020
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 20A
• Voltage rating: 240V
• Poles: 3
• Mounting style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Who this is ideal for

• Electricians upgrading or maintaining GE-compatible panelboards and loadcenters in homes or small commercial spaces.
• Technicians replacing aging or failing breakers that require a bolt-on, molded case solution.
• Projects needing reliable 3-pole protection for multi-wire or 3-phase systems where tight, vibration-resistant connections matter.

Practical tips for install and use

• Verify panel compatibility: use this 3-pole bolt-on breaker with GE OEM load centers to ensure proper fit, labeling, and performance.
• Follow torque guidelines from the panel manufacturer to maintain the integrity of the bolt-on connection and minimize loosening over time.
• Consider stocking a spare THHQB32020 for quick replacement in critical panels, reducing downtime during service windows.
• Use in applications where predictable protection is key—lighting circuits, small motors, and other branch circuits that benefit from a thermal-magnetic trip curve.