General Electrics THQL1120PDF - 20 A, 120 V, 1-Pole Plug-In Circuit Breaker | AmpState

The General Electric THQL1120PDF is a purpose-built 20A, 120V, 1-pole plug-in molded case circuit breaker designed for dependable branch circuit protection in panelboards and load centers. Built for quick, hassle-free exchanges, it keeps electrical systems safe while minimizing downtime during upgrades or maintenance.

• Fast plug-in connection—simplifies installation and replacement, reducing panel downtime and maintenance effort.
• Thermal-magnetic trip unit—delivers stable thermal protection against overheating and rapid magnetic response for short-circuit events, ensuring reliable, repeatable protection performance across varying loads and temperatures.
• 1-pole, 120V, 20A—perfect for standard residential branch circuits, lighting runs, outlets, and light commercial applications that require precise overcurrent protection.
• Molded case construction—robust, durable housing designed to withstand the demands of busy panels and frequent panelboard maintenance.
• Panelboard compatibility—engineered to mate with GE OEM load centers and panelboards for clean electrical coordination and dependable fitment.

Who benefits most? Electricians, property managers, and DIY homeowners tackling panel updates, circuit upgrades, or replacements in homes, small offices, or light-industrial environments. If you’re upgrading a legacy or adding circuits in a GE-thriving system, the THQL1120PDF provides precise protection without complicating your electrical layout.

Why this matters—with a thermal-magnetic trip, the breaker responds to overloads that creep up with increasing ambient temperatures and simultaneously masters rapid fault currents from short circuits. The result is predictable tripping behavior, minimized nuisance trips, and clear protection for sensitive devices and loads connected to residential and light commercial panels.

Installation and compatibility notes—use with GE THQL-series panelboards and compatible OEM load centers to ensure proper electrical coordination. This plug-in style is designed for quick seating into the bus and eliminates some of the wiring complexities associated with other breaker types. Confirm the load center is designed for 1-pole, 20A, 120V devices before replacing a breaker to maintain code compliance and system safety.

Specifications at a glance

• Manufacturer: General Electric
• Part Number: THQL1120PDF
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 20A
• Voltage Rating: 120V
• Number of Poles: 1
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Choose the THQL1120PDF for targeted, reliable protection that integrates smoothly with GE’s panel systems, keeps critical circuits guarded, and delivers predictable performance when it matters most.