Murray MP115 15A 1P 120V Circuit Breaker, Plug-On | AmpState

Meet the Murray MP115—the dependable, plug-on circuit breaker you reach for when panelboards, load centers, and electrical distribution demand reliable protection with minimal setup. This 1-pole, 15-amp unit is designed to slot right into compatible Murray systems, helping you protect circuits without sacrificing BOM alignment or service continuity.

Why the MP115 stands out

• Plug-On installation—fast, secure mounting that simplifies panel features without compromising safety.
• OEM part number MP115— a genuine Murray replacement to keep your original configuration intact when stocking spares.
• 15 A, 1-pole, 120V— straightforward protection for individual branch circuits in residential, commercial, or light industrial panels.
• Panel and distribution focus— specifically selected for use in panelboards, load centers, and electrical distribution arrays where a single-pole breaker is appropriate.
• AmpState availability— sourced to meet replacement and stocking needs, with support to verify fit if you’re unsure about compatibility.

Who benefits from the Murray MP115

Ideal for electricians, facilities managers, and maintenance teams maintaining legacy panels or performing routine replacements. If your service equipment relies on Murray’s MP115 form factor, this breaker ensures a reliable match that protects circuits while preserving the original design intent of your electrical distribution system.

Use cases and practical benefits

• Replacement projects— swap-in to restore protective functionality without reconfiguring bus work or enclosure layouts.
• BOM-aligned spares— keep your spare inventory aligned to the original part numbers, reducing mix-ups during service calls.
• Electrical distribution protection— targeted protection for individual feeders within a panel, helping prevent unwanted outages and arc-fault risk in shared circuits.
• Maintenance and upgrades— convenient option when upgrading panel components or restoring older installations to current protection standards.

Compatibility and installation tips

This MP115 is designed for Murray panelboards and compatible load centers. If you’re unsure about exact fit for your specific model, send us a message and we’ll help confirm compatibility. For a smooth installation, ensure power is fully off before swapping breakers, align the plug-on contacts with the bus assembly, and snug the breaker onto the designated mounting position without forcing the latch.

Specification snapshot: Murray MP115, 15 A, 1 pole, 120 V, Plug-On style. For exact fit and application guidance, refer to your panel’s model documentation and confirm with AmpState if you’re matching to an original BOM.