General Electric | THQL2190ST1 | Circuit Breaker | 90A | 2-Pole | 240V | Plug-In

Meet the General Electric THQL2190ST1, a robust 90 A, 2-pole, 240 V plug-in circuit breaker built for reliability in residential and light commercial panels. This GE unit is designed for maintenance, retrofit, and replacement projects where exact specifications matter, delivering precise protection for high-demand 240 V circuits.

Key specifications

• Amperage: 90 A
• Poles: 2-Pole
• Voltage: 240 V
• Mounting style: Plug-In
• Part number: THQL2190ST1

What makes it different

This is not a generic substitute. The THQL2190ST1 is part of GE’s THQL family, engineered for secure seating in compatible GE panels and fast, reliable replacement during upgrades or service. The 2-pole design guarantees simultaneous disconnection of both hot legs on a 240 V circuit, enhancing safety for high-power loads such as electric ranges, water heaters, and climate-control systems.

Fit, compatibility, and reliability

Important: confirm fit and ratings before ordering. The part number THQL2190ST1 is the best reference for compatibility with your GE panel. Use this plug-in breaker in panels designed to accept THQL-style units to ensure proper seating and dependable trip performance when circuits demand it.

Ideal use cases

• Retrofits and replacements in GE panels requiring a 90 A, 2-pole, 240 V plug-in breaker.
• Upgrading a branch circuit that serves heavy 240 V loads like large kitchen appliances, HVAC components, or workshop equipment.
• Rapid, downtime-minimizing replacements during maintenance windows.

Tips for installation and use

• Have a qualified electrician perform installation to ensure correct alignment, seating, and panel compatibility.
• Always switch off the main breaker and discharge any stored energy before seating or removing a plug-in breaker.
• Verify that your panel labeling indicates support for THQL plug-in breakers to ensure safe, reliable operation.