{"product_id":"square-d-q2m3125mth-circuit-breaker","title":"Square D | Q2M3125MTH | Circuit Breaker | 125A | 3-Pole | 240V","description":"\u003cdiv\u003e\n\u003cp\u003eWhen your Square D panel needs dependable protection for a 125-amp circuit, the Q2M3125MTH circuit breaker delivers precise, reliable performance. Designed for maintenance, retrofit, and replacement projects, this 3-pole, 240V unit ensures your electrical system stays safe and compliant while minimizing downtime.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 125 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e Q2M3125MTH\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy this model matters\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eDirect compatibility with Square D panels that require the Q2M3125MTH reference, eliminating guesswork during replacements.\u003c\/li\u003e \u003cli\u003eA three-pole design ideal for protecting 3‑phase circuits or multi-hot configurations common in commercial and industrial settings.\u003c\/li\u003e \u003cli\u003e125 A protection threshold provides robust interrupt capability for demanding load profiles without sacrificing safety margins.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMaintenance cycles where a precise, in-spec replacement is essential to keep panels up and running.\u003c\/li\u003e \u003cli\u003eRetrofit projects updating older installations to current 125 A, 3‑pole, 240 V protection.\u003c\/li\u003e \u003cli\u003eNew installations in systems that rely on three hot conductors in 240 V configurations.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eFit, compatibility, and practical tips\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAlways verify fit and ratings before ordering. The \u003cstrong\u003eQ2M3125MTH\u003c\/strong\u003e part number is the most reliable reference for compatibility with Square D panels and assemblies. To ensure a smooth install, match the breaker to the panel’s rated voltage, pole configuration, and amperage, and confirm that the panel supports a 3‑pole, 240 V device in your circuit arrangement.\u003c\/p\u003e \u003cp\u003eWith the right part in hand, you can reduce downtime, simplify maintenance schedules, and keep your electrical distribution running smoothly. This 125 A, 3‑pole, 240 V Square D breaker stands out for precise compatibility and reliable performance in demanding environments.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426300219554,"sku":"Q2M3125MTH","price":2010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a085eff1-75dd-47ee-b131-4c8df8f0489b.png?v=1765492976","url":"https:\/\/www.ampstate.com\/products\/square-d-q2m3125mth-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}