THQP220 20A 2P 120V Circuit Breaker, Plug-On | AmpState

The THQP220 is a plug-on, 2-pole circuit breaker designed for reliable protection in panelboards, load centers, and electrical distribution systems. With a 20 A rating at 120 V, this unit fits standard branch circuits and is ideal for both replacement projects and stocking spares that keep your BOM aligned to the original part number.

Key advantages that matter in the field

• Plug-On mounting for fast, secure installation without complex wiring changes.
• Two-pole design provides coordinated shutdown on multi-wire circuits, enhancing safety and reliability.
• 20 A protection level suits common residential and light commercial circuits, helping prevent nuisance trips on typical loads.
• 120 V operation matches standard electrical distribution setups, simplifying compatibility with existing panels.
• Original-part-number alignment makes procurement straightforward and reduces part-number mismatches in service manuals and BOMs.
• Availability from AmpState with support to confirm fit against your panel or distribution system.

Use cases and practical applications

• Replacement projects where the exact original THQP220 is specified in the BOM or service manual.
• Stocking spare breakers in maintenance inventories to ensure quick turnaround for panel servicing.
• New installs that require a plug-on, 2-pole, 20 A, 120 V circuit breaker with clear part-number traceability.
• Electrical distribution panels and subpanels that need consistent, reliable protection for branch circuits.

Fit guidance and support

To ensure compatibility, compare the THQP220 to the original part number used in your BOM. If you’re unsure about fit, AmpState offers assistance to verify compatibility and confirm a proper match for your specific panel or load center—just reach out with your equipment details and we’ll help confirm the correct fit.