ABB / GE THQB32020 20 Amp 3 Pole Miniature Circuit Breaker – Q-Line – Bolt-On – 240V AC

The ABB / GE THQB32020 is a 20 Amp, 3-pole Q-Line miniature circuit breaker designed for residential and commercial electrical distribution systems. It provides thermal-magnetic protection for overload and short-circuit conditions in branch circuits. This bolt-on version of the Q-Line series is designed to securely connect to bus assemblies in GE load centers and lighting panels, offering a stable and reliable electrical connection. It is engineered for safe operation with quick-make/quick-break mechanisms and clear trip indication.

Voltage and Rating

• Current Rating: 20 Amps
• Voltage Rating: 240 VAC
• Number of Poles: 3
• System Type: 3-phase applications
• Interrupting Rating: 10 kA
• Device Type: Miniature Circuit Breaker (Q-Line)

Key Specifications

• Series: Q-Line (QB Bolt-On Type)
• Breaker Type: Thermal Magnetic
• Trip Technology: Fixed thermal and instantaneous protection
• Application: Residential and commercial panelboards
• Mounting Style: Bolt-On (bus-mounted)
• Brand: ABB / GE

Technical Specifications

• Operation: Quick-make / Quick-break mechanism
• Safety Features: Common trip bar, visible trip indicator
• Accessories: Optional shunt trip and auxiliary contact available
• Construction: Compact molded case design for panelboard integration
• Performance: Reliable branch circuit protection

Product Data

• Manufacturer: ABB / General Electric
• Catalog Number: THQB32020
• UPC: 783164012408
• Product Type: Miniature Circuit Breaker
• Series: Q-Line / QB Bolt-On

Applications

• Residential load centers
• Commercial lighting and power panels
• Branch circuit protection systems
• HVAC and motor control circuits
• General-purpose electrical distribution

Returns are easy

You may return items within 30 days of delivery for a refund.

FREE Shipping on orders over $149.

My Circuit Breakers offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).

Same Day Shipping

We strive to ship out your items within one business day.

In rare circumstances, My Circuit Breakers may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.

My Circuit Breakers provides a comprehensive 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer). Extended warranties are available upon request.