ABB / GE THQB32050 50 Amp 3 Pole Miniature Circuit Breaker – Q-Line – Bolt-On – 240V AC

The ABB / GE THQB32050 is a 50 Amp, 3-pole Q-Line miniature circuit breaker designed for residential and commercial electrical distribution systems. It provides thermal-magnetic protection against overload and short-circuit conditions in branch circuits. This bolt-on QB series breaker is engineered for secure attachment to bus assemblies in GE load centers and lighting panels, ensuring a stable and reliable electrical connection. It features quick-make/quick-break operation and clear trip indication for safe operation and maintenance.

Voltage and Rating

• Current Rating: 50 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 indication
• Accessories: Optional shunt trip and auxiliary contact available
• Construction: Compact molded case design for panelboard use
• Performance: Reliable branch circuit protection

Product Data

• Manufacturer: ABB / General Electric
• Catalog Number: THQB32050
• UPC: 783164012439
• Product Type: Miniature Circuit Breaker
• Series: Q-Line / QB Bolt-On

Applications

• Residential electrical distribution panels
• Commercial lighting and power panels
• Branch circuit protection systems
• HVAC and motor loads
• General-purpose circuit protection

Returns are easy

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

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