General Electrics THQL2120AF - 20 A, 2-Pole Plug-In Circuit Breaker | AmpState

General Electrics THQL2120AF — a 20A, 2-pole plug-in molded case circuit breaker designed to protect branch circuits in panelboards and load centers. Sold by AmpState, this unit delivers reliable overcurrent and short-circuit protection where you need it most.

Engineered for fast, tool-free installation, the THQL2120AF features a quick plug-in connection that makes replacements and upgrades smooth, minimizing downtime during maintenance or expansion. The rugged molded case and robust internal components are built to withstand the demands of residential, commercial, and light industrial environments.

The thermal-magnetic trip unit combines precision and durability. It responds to overloads with a stable, repeatable trip curve, and it detects dangerous short circuits to shut down power rapidly, helping to safeguard wiring, devices, and occupants. This means more predictable protection across variable loads and ambient conditions.

Compatibility and installation are straightforward: this breaker is designed to align with matching OEM load centers and panelboards, ensuring a seamless fit in systems that rely on standardized THQL-type breakers. If you’re stocking parts for service calls or planning a panel upgrade, the THQL2120AF offers a dependable, ready-to-install solution.

• Plug-in molded case circuit breaker for quick installation and easy replacement
• Thermal-magnetic trip unit provides stable protection against overcurrent and short-circuit events
• 2-pole design suitable for two hot legs in compatible panelboard configurations
• 20A rating tailored for branch circuits serving lighting, outlets, and general-purpose loads
• Compatible with General Electric load centers and OEM panelboards designed for THQL series
• Durable construction optimized for reliability in residential, commercial, and light industrial settings

Technical snapshot
General Electrics | Part Number: THQL2120AF | Type: Thermal-magnetic molded case breaker | Amperage: 20A | Poles: 2 | Mounting: Plug-in | Application: Branch circuit overcurrent and short-circuit protection

Ideal for electricians, facilities managers, and maintenance teams, the THQL2120AF is a practical, long-term solution for safeguarding electrical infrastructure. Whether you’re performing routine maintenance, expanding a panel, or replacing a failed breaker, this unit delivers predictable performance you can trust. Add it to your inventory and keep your panel systems running smoothly.