MPP2150KM - 150 Amp Circuit Breaker

MPP2150KM - 150 Amp Circuit Breaker

The Siemens MPP2150KM is a high‑performance, low‑voltage circuit breaker built to deliver dependable overcurrent and short‑circuit protection for your home or light commercial electrical system. As a main breaker option from the MPP/QPP series, it’s engineered to safeguard load center mains, feeders, and branch circuits with consistent, precise operation. Whether you’re installing a new panel or upgrading an existing load center, this 150 Amp breaker offers peace of mind, ensuring your wiring and appliances remain protected even under demanding electrical loads.

Key Features and Benefits

• Reliable thermal‑magnetic protection: The MPP2150KM uses a thermal‑magnetic trip mechanism that shuts off power quickly and accurately when overcurrent or short circuits occur, keeping your system safe from electrical faults.
• Marine‑grade durability: Rated for operation up to 50 °C and built to withstand exposure to humidity and salty air — ideal for coastal or high‑moisture environments.
• High interrupting capacity: With a 65 AIC (Ampere Interrupting Capacity), this breaker can safely handle high fault currents — reducing the risk of electrical fires and protecting downstream wiring and devices.
• Plug‑in connection design: Simplifies installation and maintenance by offering a secure, stable connection that minimizes downtime during servicing or panel upgrades.

Technical Specifications

• Voltage Rating: 120/240 V
• Amperage Rating: 150 Amp
• Trip Mechanism: Thermal‑Magnetic
• Interrupting Capacity: 65 AIC
• Poles: 2
• Connection Type: Plug‑In
• Dimensions:
  • Length: 6"
  • Width: 4"
  • Height: 3"
• Weight: 2.998 lbs

Material Compliance and Certifications

• UL 489 certified — meeting stringent safety and performance standards required for circuit breakers.
• Constructed with materials selected for quality and safety, contributing to durable installations and long-term system reliability.
• Designed with environmentally conscious practices in mind, supporting sustainable building and renovation efforts.

Where It Works Best

• The Siemens MPP2150KM is an excellent choice for residential homes and light commercial facilities where dependable circuit protection and long-term safety are essential. It’s ideal for modern households with multiple high-energy appliances, ensuring your electrical panel can handle surges and heavy loads without compromising safety. Coastal or humid-area properties benefit from its marine-grade rating, while retrofit projects and new panel installations gain from its straightforward plug-in design. Choose this breaker when you want a strong, dependable foundation for your electrical system.