MP250 - 50 Amp Circuit Breaker

MP250 - 50 Amp Circuit Breaker

The Siemens MP250 offers dependable, high‑quality circuit protection for modern residential electrical systems. Built as a compact thermal‑magnetic breaker in the QP/MP series, it delivers solid performance where you need safety and reliability most — from main panels to subpanels and feeder circuits. With its dual‑pole 120/240 V design and 50 amp rating, this breaker gives you the peace of mind that your home’s electrical loads are protected from overloads and short circuits. Its HACR rating makes it especially suited for HVAC, refrigeration, and heating systems, ensuring that critical appliances stay safe under demanding conditions. Its small, lightweight build simplifies installation, making it a practical pick for electricians and homeowners alike.

Key Features and Benefits

• High‑Capacity Protection: Rated for 50 amps with a 10,000 amp interrupt capacity — reliable circuit protection for heavy-duty loads.
• Dual‑Pole Versatility: Handles 120/240 V AC systems, ideal for whole‑house wiring, air conditioning, or large appliances.
• HACR‑Rated for HVAC & Refrigeration: Specifically certified for use with heating, air conditioning, and refrigeration equipment — giving safety and peace of mind where it matters most.
• Compact and Easy to Install: At roughly 0.573 lb with a small footprint, it fits easily into tight panel spaces and simplifies installation or replacement.
• Consistent Performance in Varying Conditions: Operates reliably at ambient temperatures up to 40 °C, making it suitable for diverse environments.

Technical Specifications

• Model Type: MP‑T (miniature thermal‑magnetic breaker)
• Voltage Rating: 120/240 V AC
• Amperage Rating: 50 Amps
• Interrupt Rating: 10,000 Amps
• Number of Poles: 2 (dual‑pole)
• Operating Temperature: up to 40 °C ambient
• HACR Rating: Yes (Heating, Air Conditioning & Refrigeration compliant)
• Net Weight: 0.573 lb
• Package Dimensions: Approximately 3.15 × 12.598 × 3.15 inches

Material Compliance and Certifications

• High‑Grade Components: The MP250 is engineered using high‑grade components that adhere to stringent industry and safety standards.
• HACR Certification: Its HACR certification confirms it has been tested and approved for HVAC, heating, and refrigeration applications, ensuring it can handle inductive and resistive loads typical to those systems.
• Residential Safety Standards: Every unit meets the required thermal‑magnetic standards for residential use, providing reliable protection against overloads and short circuits while aligning with modern electrical codes.

Where It Works Best

• Residential main panels and sub‑panels supplying lighting circuits, outlets, and general household loads
• Feeder circuits in family homes or small commercial units
• Heating, ventilation, and air‑conditioning (HVAC) systems — including central air, split units, and heat pumps
• Refrigeration systems, such as those in garages, workshops, or residential freezers
• Any application requiring 120/240 V dual‑pole 50A protection with high interrupt capacity and dependable performance