MP2125 - 125 Amp Circuit Breaker

MP2125 - 125 Amp Circuit Breaker

Meet the MP2125, a dependable 125 Amp circuit breaker engineered for residential use — designed to keep your home’s electrical system safe and running smoothly. Using thermal‑magnetic technology, this breaker responds quickly to overloads and short circuits, so you have reliable protection whether you’re wiring a new home, upgrading an electrical panel, or outfitting a meter stack. Running on 120/240 VAC and built for standard load centers, the MP2125 packs serious protection into a compact size that makes installation easy and keeps your panel neat. It’s a wise choice for electricians and homeowners alike who want reliable performance and peace of mind.

Key Features and Benefits

• Thermal‑Magnetic Technology: Accurately trips circuits under overload or fault conditions, helping prevent damage before it starts.
• Dual Voltage Capability: Works at 120 VAC or 240 VAC, giving you flexibility for typical residential single‑phase setups.
• High Amperage Rating: At 125 A, it’s well-suited for heavy loads, ensuring dependable protection for primary circuits.
• HACR Rated: Safe for use with heating, air conditioning, and refrigeration equipment — ideal for HVAC circuits and other heavy-duty applications.
• Compact and Install-Friendly: Designed to fit standard load centers and meter stacks, saving space and keeping electrical panels tidy.
• Protects Against Overload & Short Circuit: Provides a dependable safety barrier to guard wiring and equipment from unexpected surges or faults.

Technical Specifications

• Type: MP‑T style single-phase circuit breaker
• Voltage Rating: 120/240 VAC
• Amperage Rating: 125 A
• Interrupt Capacity: 10 kAIC
• Poles: 2‑pole
• Operating Temperature: 40 °C rated
• Meter Stack Compatibility: 125 A and 225 A single-phase output — suitable for WMM, WML, and WMT meter stacks

Material Compliance and Certifications

• High-Grade Materials: The MP2125 is manufactured using high-grade materials and adheres to industry safety standards, ensuring durability and lasting performance.
• HACR Rating: Certifies that it’s safe for use with heating, air conditioning, and refrigeration loads.
• Quality Control: Quality control throughout manufacturing ensures each unit meets strict safety and performance requirements — giving you confidence that your home’s wiring remains protected over time.

Where It Works Best

• This circuit breaker shines in residential settings where dependable protection matters. It’s perfect for standard load centers and meter stacks — particularly in households with heavy-duty circuits such as HVAC systems, large appliances, or entire panel upgrades. Electricians will appreciate how easily it installs in tight panel spaces, while homeowners get the peace of mind of a well-protected electrical system. If you’re wiring a new home or upgrading an old panel, the MP2125 delivers straightforward, reliable protection that works quietly behind the scenes.