MPD2150RH - 50 Amp Circuit Breaker

MPD2150RH - 50 Amp Circuit Breaker

The Siemens MPD2150RH is a reliable 50 Amp, 120/240 V main breaker specifically engineered for residential electrical systems. As a member of the MD‑HTR series, it delivers dependable circuit protection that helps safeguard your home’s wiring and appliances. Its thermal‑magnetic trip mechanism ensures accurate response to overloads and short circuits, while the plug‑in design lets electricians or homeowners install it quickly without hassle. Compact yet powerful, the MPD2150RH integrates smoothly into most standard electrical panels — offering peace of mind and consistent performance for years to come.

Key Features and Benefits

• Dependable Circuit Protection: The MPD2150RH provides trusted protection for your home’s electrical distribution, helping prevent overloads and short circuits that could threaten safety or damage appliances.
• Thermal‑Magnetic Trip Mechanism: Combines thermal sensing (for overload) and magnetic sensing (for short‑circuit) for fast and precise circuit interruption.
• Straightforward Installation: Designed for plug‑in use, so installation is simple and avoids the need for complicated rewiring or special adapters.
• Space‑Saving Design: With dimensions of 9″ × 6″ × 3″, this breaker easily fits into most modern load centers without crowding other components.
• Versatile Use for Residential Systems: Ideal for main breaker panels, load centers, or feeder circuits — offering flexibility for a variety of home wiring needs.

Technical Specifications

• Series / Model: MD‑HTR / MPD2150RH
• Voltage Rating: 120/240 V
• Amperage Rating: 50 Amp
• Trip Type: Thermal‑Magnetic
• Interrupt Rating: 22 AIC (Ampere Interrupting Capacity)
• Poles: 2P (two‑pole)
• Connection Type: Plug‑In
• Dimensions:
  • Length: 9″
  • Width: 6″
  • Height: 3″
• Net Weight: 2.205 lb

Material Compliance and Certifications

• UL 489 Certified: The MPD2150RH meets the rigorous requirements of the UL 489 standard for low‑voltage circuit breakers used in residential applications. This certification ensures that the breaker has undergone thorough testing for performance, safety, and durability under real-world electrical loads — giving you confidence in its quality and reliability.

Where It Works Best

• This 50 Amp main breaker is an excellent choice for residential homes needing a reliable primary disconnect or feeder circuit protection. It fits standard load centers and panels used in single-family houses, townhomes, or small multifamily buildings. Whether you’re wiring a new build, upgrading an older electrical panel, or replacing a worn‑out breaker, the MPD2150RH offers a dependable and hassle‑free solution to help protect your home’s electrical system.