General Electrics THQL32100ST1 - 100 A, 3-Pole Plug-In Circuit Breaker | AmpState

Meet the General Electric THQL32100ST1, a 100A, 3-pole plug-in molded case circuit breaker engineered to safeguard your panelboards and load centers from overcurrent and short-circuit events. Built for reliable performance across residential, commercial, and light industrial environments, this breaker delivers steady protection when it matters most.

Fast, hassle-free installation and replacement

• Plug-in connection enables quick swapping and servicing—minimizing downtime during upgrades or maintenance.
• Rugged molded-case construction stands up to demanding electrical loads and daily use.
• 3-pole design supports multi-wire and three-phase configurations, keeping feeders and equipment protected with a single, streamlined unit.

Precise protection you can count on

• Thermal-magnetic trip unit provides stable, repeatable protection against both overloads and short circuits, helping prevent nuisance trips while guarding circuit integrity.
• Geared toward dependable performance in panelboards and load centers, ensuring consistent operation across varying load conditions.
• Designed for compatibility with matching OEM load centers, delivering a seamless, cohesive protection system.

Why this 3-pole 100A breaker stands out

• Ideal for protecting larger feeders and motor circuits where reliable 3-phase or multi-wire protection is required.
• Durable plug-in format simplifies retrofits and panel upgrades, reducing installation time and potential wiring errors.
• Distribution-ready for residential subpanels, commercial dispatch centers, and light industrial equipment rooms that demand robust overcurrent protection.

Technical specifications

• Manufacturer: General Electric
• Part Number: THQL32100ST1
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 100 A
• Number of poles: 3
• Mounting style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Ideal applications and practical use cases

• Upgrading residential or commercial panelboards that require reliable 3-pole protection for multi-wire circuits or motor loads.
• Protecting feeders to subpanels in light industrial settings where compact, plug-in breakers streamline serviceability.
• Installing in HVAC, compressor circuits, or other equipment rooms where a robust 100A protection device helps prevent costly interruptions.
• Performing quick replacements or retrofits in existing GE-compatible load centers to maintain system consistency and performance.

With the THQL32100ST1, you gain not just a breaker, but a reliable safeguard for electrical systems that keeps critical equipment powered and protected. Its combination of fast plug-in installation, precise thermal-magnetic protection, and OEM-compatible design makes it a practical, long-term choice for professionals managing complex panel configurations and diverse load demands.