Siemens Q240 – 40A 2 Pole Miniature Circuit Breaker Certified

Rated for heavy-duty residential circuits, the Siemens Q240 handles 40-amp loads like electric ranges and large HVAC systems. This two-pole device integrates smoothly into modern Siemens load centers while also replacing older Murray MP240 units in existing setups. The plug-on design facilitates rapid deployment, complemented by Insta-Wire terminals for faster conductor seating. With a standard 10kA short-circuit rating and HACR certification, it meets stringent safety requirements.