MP290 - 90 Amp Circuit Breaker

MP290 - 90 Amp Circuit Breaker

Experience dependable circuit protection with the Siemens MP290 Circuit Breaker — a compact, high‑capacity solution built to protect your home’s electrical systems with precision and reliability. Designed for residential use, this 2‑pole, 90‑amp breaker supports 120/240 VAC loads and provides essential safety for 125 AMP and 225 AMP single-phase WMM, WML, and WMT meter stack configurations. Whether you’re wiring a new home or upgrading an existing panel, the MP290 ensures stable performance under normal and demanding conditions alike.

Key Features and Benefits

• Reliable Thermal Magnetic Protection: The MP290 delivers dependable circuit interruption to safeguard against overload and short-circuit scenarios, helping prevent electrical fires and damage.
• Two-Pole Configuration: Dual poles offer efficient management of 240 V circuits, making the breaker ideal for typical residential power distribution.
• Built for Meter Stack Compatibility: Intended for use within 125 AMP and 225 AMP meter stacks, it’s a wise choice for standard single‑phase residential setups.
• HACR Rated for HVAC and General Loads: Its HACR (Heating, Air Conditioning, Refrigeration) rating means the breaker maintains consistent protection even when powering HVAC units, appliances, or other heavy-duty residential loads.
• Compact Yet Solid Design: Despite its compact size, the MP290 provides sturdy, long-lasting protection without occupying unnecessary space in the breaker panel.

Technical Specifications

• Type: MP‑T miniature thermal magnetic breaker
• Voltage Rating: 120/240 VAC
• Amperage Rating: 90 Amps
• Interrupt Rating: 10 kA
• Number of Poles: 2 (double pole)
• Operating Temperature: Up to 40 °C (operating ambient)
• Dimensions:
  • 1.969 × 2.756 × 2.756 inches
• Net Weight: 0.639 lb

Material Compliance and Certifications

• HACR Rated: Meets recognized standards for safe and effective use with heating, ventilation, air‑conditioning, and refrigeration systems.
• Manufactured to Industry Safety Standards: Built using materials compliant with electrical safety and environmental guidelines, ensuring both performance and responsible manufacturing practices.

Where It Works Best

• The Siemens MP290 is ideally suited for residential settings, especially when installed in 125 AMP or 225 AMP single-phase meter stacks such as WMM, WML, or WMT configurations. It’s perfect for households needing stable 240 V supply for HVAC systems, water heaters, dryers, or other high-demand appliances. Whether you’re installing a new panel or upgrading an existing one, this breaker offers peace of mind with its dependable protection and easy integration into standard residential setups.