GE THQB21WY20 20A 2P 240V Circuit Breaker, Bolt-On | AmpState

Engineered for everyday electrical work, the GE THQB21WY20 20A 2P 240V circuit breaker delivers reliable protection for panelboards, load centers, and electrical distribution systems. Built to handle retrofit and maintenance projects, this bolt-on breaker keeps your service running smoothly without changing your part-numbering or documentation.

The THQB21WY20 is a two-pole, 20-amp device rated at 240 volts, designed to protect multi-wire circuits by ensuring balanced interruption across both hot legs. Its bolt-on installation supports quick replacements in compatible GE panels, simplifying field service and retrofit work where uptime matters.

Key specifications

• Amperage: 20 A
• Poles: 2
• Voltage: 240V
• Mounting: Bolt-On
• Compatibility: GE THQB family; suitable for panelboards, load centers, and electrical distribution equipment

Why this bolt-on breaker stands out for professionals:

• Retrofit-friendly design: Keeps the same part number (THQB21WY20) for straightforward ordering, warranties, and maintenance records, reducing documentation headaches on retrofit projects.
• Reliable circuit protection: Two-pole protection ensures simultaneous interruption on both hot legs, improving safety and code-compliant performance for shared-neutral circuits.
• Efficient maintenance planning: Consistent part-number availability helps technicians stock and deploy replacements quickly, minimizing panel downtime during service calls.
• Versatile installation: Suitable for a range of GE panelboards and distribution setups, making it a practical choice for both new installations and upgrades in residential and light commercial applications.

Practical use cases include upgrading aging panels in retrofits, stocking dependable replacements for routine maintenance, and ensuring quick, documented compatibility for service teams. If you’re aiming to keep your electrical distribution protected without altering your documentation or stock, the GE THQB21WY20 20A 2P 240V bolt-on breaker is a precise, dependable choice.

Available from AmpState, this part is ready to support your project. Need help confirming fit with your specific panel model? Message us and we’ll help you verify compatibility and ensure you’re ordering the correct part for a seamless install.