Murray MP120GFA 20A 1P 120V Circuit Breaker, GFCI, Plug-On | AmpState

Introducing the Murray MP120GFA 20A 1P 120V GFCI Plug-On Circuit Breaker — a purpose-built protection device designed for panelboards, load centers, and electrical distribution layouts. If you rely on a direct part-number match for reliability and fast replacements, this MP120GFA is the smart choice for maintenance teams, panel builders, and spare inventories.

What it does

This breaker delivers ground-fault circuit interrupter (GFCI) protection on a 120V, single-pole circuit. When a ground fault is detected, it trips quickly to prevent electric shock and potential equipment damage, helping you maintain safer, code-compliant electrical systems in both new builds and service upgrades.

Key features

• 20 Amp, 1 Pole, 120V — ideal for standard branch circuits requiring reliable protection.
• GFCI protection — enhances safety in areas prone to moisture or increased touch potential.
• Plug-On design — simple, fast installation into compatible panelboards and load centers.
• Part-number compatibility — specifically Murray MP120GFA, reducing replacement guesswork in inventory or service calls.
• Availability — sourced from AmpState, with expert support to confirm fit for your panel configuration.

Who should consider it

• Maintenance teams maintaining repair-ready stock for Murray-based electrical systems.
• Panel builders seeking a precise, on-spec replacement to keep projects on schedule.
• Facilities managers stocking spare breakers for quick outages in 120V circuits, especially in environments where GFCI protection is desirable.

Practical use cases

• Retrofits or upgrades in kitchens, basements, utility rooms, or outdoor spaces where 120V circuits benefit from GFCI protection.
• Replacement of a failed or aging 1-pole 120V GFCI breaker in Murray-based panelboards and distribution panels.
• Service vans and warehouses maintaining an on-hand stock of exact-match MP120GFA parts to minimize downtime.

Installation and compatibility tips

The MP120GFA is a plug-on breaker designed for Murray panelboards and load centers that support this form factor. To ensure an exact fit, verify that your installation calls for a 1-pole, 120V GFCI breaker in the MP120GFA family. If you’re unsure about compatibility with your specific panel configuration, message AmpState and we’ll help you confirm the fit.

With the Murray MP120GFA, you gain precise, dependable ground-fault protection for 120V circuits, backed by a part-number-aligned solution that simplifies maintenance, improves inventory accuracy, and keeps your electrical distribution running safely and smoothly.