MP240 - 40 Amp Circuit Breaker

MP240 - 40 Amp Circuit Breaker

Get dependable protection for your home’s electrical system with the Siemens MP240. This 2‑pole, 40 Amp circuit breaker delivers consistent performance at 120/240 V AC and is built to guard against overloads and short circuits — keeping your circuits safe and your peace of mind intact. Its dual‑pole format monitors both hot wires simultaneously, offering complete coverage, and its thermal–magnetic tripping system reacts quickly when needed. Whether you’re installing a new panel or upgrading an older one, the MP240 brings reliable protection you can count on.

Key Features and Benefits

• Dual‑Pole Protection: Monitors both hot wires at once to ensure balanced coverage and full circuit safety.
• High Interrupt Capacity: With a 10 kA interrupt rating, this breaker can handle high fault currents — ideal for typical residential electrical panels.
• Thermal‑Magnetic Trip Mechanism: Offers precise response to overloads or short circuits, switching off the circuit before damage occurs.
• Compact, Easy to Install: Its space‑saving size fits neatly into most residential load centers, making installation straightforward and clutter‑free.
• Durable Build: Constructed from quality materials to deliver long‑lasting performance and dependable electrical protection.

Technical Specifications

• Type: MP‑T Miniature Breaker
• Voltage Rating: 120/240 V AC
• Amperage Rating: 40 A
• Interrupt Rating: 10 kA
• Number of Poles: 2‑Pole
• Operating Temperature: Up to 40 °C
• Weight: 0.551 lb
• Dimensions (approx.): 3.15 × 12.598 × 3.15 inches

Material Compliance and Certifications

• The MP240 meets rigorous safety standards — including HACR (Heating, Air Conditioning, and Refrigeration) compliance — ensuring it’s appropriate for home systems with HVAC or other heavy electricity‑use equipment. It’s manufactured under stringent quality protocols for dependable, safe service from the moment it’s installed.

Where It Works Best

• Residential electrical panels and load centers needing 120/240 V circuit protection.
• New home builds or panel upgrades where dependable circuit protection is essential.
• Applications requiring a compact, easy‑to‑install 40 Amp 2‑pole breaker for lighting, appliance, or sub‑panel circuits.