{"product_id":"qphw3040h-circuit-breaker","title":"QPHW3040H | Circuit Breaker | 40A | 3-Pole","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the QPHW3040H | Circuit Breaker | 40A | 3-Pole—an industrial-grade safeguard designed for demanding three-phase environments. This 40-amp, 3-pole breaker delivers reliable overcurrent protection while ensuring smooth operation across motor drives, conveyors, and heavy equipment in maintenance, retrofit, and replacement projects.\u003c\/p\u003e \u003ch3\u003eKey Features that Matter in the Real World\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole protection\u003c\/strong\u003e interrupts all three phases simultaneously, reducing the risk of unbalanced voltages and protecting motors and downstream equipment from damaging faults.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e40-amp rating\u003c\/strong\u003e provides precise protection for typical industrial loads, helping to prevent nuisance trips while keeping critical systems safeguarded.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRugged, industrial-grade design\u003c\/strong\u003e built to withstand the vibrations, dust, and temperature variations common in manufacturing plants and service environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e Retrofit-friendly compatibility\u003c\/strong\u003e with standard enclosure and control-panel layouts, enabling straightforward swaps in existing systems without extensive rework.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy This Breaker Is an Effective Choice\u003c\/h3\u003e\n\u003cp\u003eThe QPHW3040H is purpose-built for maintenance, retrofit, and replacement scenarios where matching specifications is essential. By selecting the exact part number—QPHW3040H—you align with the panel’s intended trip characteristics, mounting footprint, and electrical ratings, minimizing downtime and mismatch risk.\u003c\/p\u003e \u003ch3\u003eUse Cases and Ideal Applications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacing aging or failed breakers in manufacturing lines, processing plants, or distribution equipment where three-phase protection is mandatory.\u003c\/li\u003e \u003cli\u003eRetrofits to upgrade legacy systems to current safety standards while preserving existing wiring and panel layouts.\u003c\/li\u003e \u003cli\u003eMaintenance downtimes where fast, reliable swaps keep production moving and reduce unexpected outages.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and Installation Guidance\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, verify fit and ratings to ensure seamless compatibility with your equipment. The part number, QPHW3040H, serves as the best reference for compatibility with your panel and control circuitry. If in doubt, consult your panel’s documentation or a qualified electrician to confirm mounting, trip characteristics, and enclosure fit.\u003c\/p\u003e \u003cp\u003eDesigned for professionals who demand dependable protection without compromise, the QPHW3040H 40A 3-Pole circuit breaker helps you maintain uptime, safeguard valuable machinery, and uphold safety standards across industrial environments.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46427396210850,"sku":"QPHW3040H","price":1190.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/qphw3040h-circuit-breaker-40a-3-pole-850.webp?v=1789715717","url":"https:\/\/www.ampstate.com\/products\/qphw3040h-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}