MP1515 - Duplex 15/15 Circuit Breaker

MP1515 - 15/15 Amp Duplex Circuit Breaker

Bring dependable, space-saving circuit protection to your home’s electrical panel with the Siemens MP1515 duplex 15/15 circuit breaker. Engineered for residential use, this compact breaker delivers dual 15‑amp circuits in just a 1/2‑inch width per pole — an efficient solution for any load center where conserving space matters without compromising safety or performance.

Key Features and Benefits

• Space‑Saving Duplex Design: The slim 1/2-inch-per-pole construction lets you fit two circuits in the footprint of a single breaker — ideal when panel space is limited or when upgrading older load centers.
• Dual Circuit Protection: With two independent 1‑pole, 15-amp circuits, it supports multiple circuits at once, offering dependable protection for lights, receptacles, or small appliances.
• High Fault-Clearing Capacity: A 10 kA interrupt rating ensures that the breaker can safely interrupt fault currents under high-load or short-circuit conditions — critical for protecting wiring and devices.
• Flexible Wiring Options: Handles copper wiring from 14 to 8 AWG and aluminum wiring from 12 to 8 AWG, giving you flexibility for a wide variety of residential wiring setups.

Technical Specifications

• Type: MH‑T Duplex (Dual 1‑Pole)
• Voltage Rating: 120 V
• Current Rating: (2) 1‑Pole, 15 A each
• Interrupt Rating: 10 kA
• Number of Poles: 2
• Operating Temperature: Up to 40 °C
• Physical Dimensions:
  • Length: ~3″
  • Width: 1″
  • Height: 3″
• Wire Compatibility:
  • Copper: 14–8 AWG
  • Aluminum: 12–8 AWG

Material Compliance and Certifications

• CSA Certified: Meets Canadian safety standards, assuring you of compliance with rigorous testing requirements.
• SWD (Switching Duty) Rated: Suitable for switching heavy loads — perfect for HVAC systems, water heaters, or other high-demand appliances.
• HACR Rated: Approved for Heating, Air Conditioning, and Refrigeration equipment use — making it an excellent choice for dedicated circuits serving HVAC units or similar systems.

Where It Works Best

• The Siemens MP1515 duplex breaker shines in residential electrical systems — whether you’re wiring a new home, expanding circuits in an existing panel, or upgrading to accommodate modern electrical demands. Its dual‑circuit design is perfect for lighting and small appliance circuits, guest rooms, workshops, or any branch circuits where compact, two‑in‑one protection helps you maximize panel capacity. Especially suited for load‑center mains, feeders, and dedicated HVAC or refrigeration circuits, this breaker delivers dependable performance and peace of mind.