GE THQB32020 - 20 A, 240 V, 3-Pole Bolt-On Circuit Breaker | AmpState

Meet dependable protection for your electrical distribution with the GE THQB32020. This 20A, 240V, 3-pole bolt-on molded case circuit breaker is purpose-built for stable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters. Designed for everyday reliability in residential, commercial, and light industrial settings, it ensures your critical circuits stay safe and operational.

• Secure bolt-on mounting: A rigid connection to the bus minimizes vibration-induced looseness and arcing, delivering consistent protection even in demanding environments.
• Thermal-magnetic trip unit: Combines precise thermal sensing with magnetic interruption for fast, repeatable protection across varying loads and temperatures.
• 3-pole design for multi-phase circuits: Ideal for three-phase panelboards and complex electrical layouts where coordinated protection is essential.
• OEM-compatible construction: Engineered to be compatible with matching GE OEM load centers and panelboards, ensuring seamless integration and reliable performance.
• Durable molded case construction: Built to withstand routine electrical operation and provide long service life in panel installations.
• Versatile applications: Suitable for residential, commercial, and light industrial applications needing solid overcurrent and short-circuit protection.

Technical specifications at a glance

• Manufacturer: GE
• Part Number: THQB32020
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 20A
• Voltage rating: 240V
• Number of poles: 3
• Mounting style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Why this breaker stands out

Beyond simply protecting a circuit, the THQB32020 delivers consistent performance over time. The bolt-on design offers a sturdier connection to the bus, reducing the risk of loose contact in environments with vibration or electrical noise. The thermal-magnetic trip unit provides reliable protection that adapts to real-world load variations, helping to prevent nuisance trips while still safeguarding against faults. If you’re upgrading a GE-powered panel or wiring a new install, this 3-pole breaker pairs seamlessly with GE panel hardware, offering peace of mind and long-term reliability.

Ideal use scenarios

• Commercial office suites with multiple electrical subcircuits
• Retail spaces requiring dependable protection for lighting and power feeders
• Light industrial equipment in small workshops or fabrication spaces
• Residential multi-circuit panels needing robust, coordinated protection

Installation and compatibility tips

• Plan for a proper GE OEM panelboard pairing to ensure optimal performance and compatibility.
• Ensure the panel’s bus connections and enclosure support bolt-on styles for secure mounting.
• Follow standard electrical safety practices and local codes during installation.