{"product_id":"siemens-mq250","title":"Siemens MQ250 50A 2-Pole 240 V Circuit Breaker Potential Transformer","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens MQ250 is a dependable, purpose-built circuit breaker engineered to protect electrical systems with clarity and confidence. With a 50 A current rating and a two-pole design for 240 V applications, this unit provides reliable overcurrent protection in commercial and light industrial environments. Part Number MQ250, it’s a precise fit for setups that demand consistent performance from Siemens protection devices.\u003c\/p\u003e \u003ch2\u003eKey specifications at a glance\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e MQ250\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 50 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 240 V\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy the MQ250 stands out\u003c\/h2\u003e\n\u003cp\u003eChoosing a Siemens MQ250 means investing in a circuit breaker with predictable, repeatable protection for your critical circuits. The two-pole design ensures simultaneous disconnection of both conductors, helping to prevent hazardous voltage imbalances and simplifying safety maintenance. While compact enough to fit into standard panels, the MQ250 preserves robust interrupting capability and thermal stability under normal operating conditions, delivering dependable protection over time.\u003c\/p\u003e \u003ch2\u003eIdeal use cases\u003c\/h2\u003e\n\u003cp\u003eBest suited for residential and light commercial panels that require a 50 A, 240 V, two-pole protection device. It’s a solid choice when you’re wiring feeders, subpanels, or branch circuits that demand reliable shutdown in the event of overload or short circuit. If your protection scheme involves metering and coordination within a Siemens ecosystem, the MQ250 integrates smoothly as a trusted component of the system.\u003c\/p\u003e \u003ch2\u003ePractical considerations and how to use\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eVerify compatibility with your panel’s mounting and terminal range to ensure a clean, secure installation.\u003c\/li\u003e \u003cli\u003eFollow standard safety procedures when wiring and commissioning—disconnect power, check alignment, and torque connections per your panel’s guidelines.\u003c\/li\u003e \u003cli\u003eUse MQ250 in applications where consistent trip performance and predictable protection are critical for uptime and safety.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eFor installers and facility managers, the Siemens MQ250 50 A 2-pole 240 V circuit breaker offers a reliable, straightforward solution that aligns with Siemens protection and distribution strategies, helping you maintain safer, more reliable electrical systems with less downtime.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46423598104738,"sku":"MQ250","price":314.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_229276d9-908d-46df-93e5-6fe31866e0ff.png?v=1765492975","url":"https:\/\/www.ampstate.com\/products\/siemens-mq250","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}