{"product_id":"siemens-qj3b175ha01-circuit-breaker","title":"Siemens | QJ3B175HA01 | Circuit Breaker | 175A | 3-Pole | 240V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eEngineered by Siemens, the QJ3B175HA01 circuit breaker delivers robust protection for 3‑phase 240V electrical systems. With a 175A rating and bolt‑on mounting, it's designed for reliable service in maintenance, retrofit, or replacement scenarios where precision and compatibility matter.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e QJ3B175HA01 for precise cross‑reference and compatibility checks\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 175 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3‑Pole (three‑phase)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting style:\u003c\/strong\u003e Bolt‑On, for secure, fast installation\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Ideal as a retrofit or service‑panel upgrade component in Siemens‑compatible systems\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy choose a Siemens bolt‑on breaker like the QJ3B175HA01? It’s built to fit in panels designed for bolt‑on protection devices, offering dependable tripping performance and straightforward wiring paths that minimize field wiring complexity. For maintenance crews and facilities managers, having a compatible spare on hand reduces downtime and ensures quick, accurate replacements without guesswork.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eUse cases and scenarios:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eUpgrading an aging three‑phase distribution panel to handle current load safely\u003c\/li\u003e \u003cli\u003eReplacing a failed 175A, 3‑pole unit in a 240V service that requires minimal downtime\u003c\/li\u003e \u003cli\u003eRetrofits where the panel's catalog notes QJ3B175HA01 as the correct equivalent part\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eCompatibility and procurement tips:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAlways confirm fit and ratings before ordering; the part number is the best reference for compatibility within Siemens bolt‑on panels\u003c\/li\u003e \u003cli\u003eKeep a spare QJ3B175HA01 on site for planned maintenance to avoid unplanned outages\u003c\/li\u003e \u003cli\u003eFollow the panel manufacturer's torque and mounting guidelines during installation\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eInvesting in this Siemens circuit breaker means more than just protection. It aligns with established electrical safety standards, supports reliable three‑phase distribution, and reduces risk across industrial and commercial environments. If your panel accepts bolt‑on, 3‑pole, 240V breakers in the 175A range, the QJ3B175HA01 is built to deliver consistent performance when it matters most.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427418427554,"sku":"QJ3B175HA01","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_ad06fdd7-931c-4a09-bfbe-d05329579cd6.png?v=1765492978","url":"https:\/\/www.ampstate.com\/products\/siemens-qj3b175ha01-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}