{"product_id":"siemens-qj3b150h00s01-circuit-breaker","title":"Siemens | QJ3B150H00S01 | Circuit Breaker | 150A | 3-Pole | 240V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eEngineered by Siemens, the QJ3B150H00S01 Circuit Breaker delivers dependable protection for 240V, three‑phase electrical systems. With a 150A rating and 3‑pole design, this bolt‑on breaker is purpose-built for maintenance, retrofit, and replacement projects where exact specifications matter.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAmperage: 150 A\u003c\/li\u003e \u003cli\u003ePoles: 3‑Pole\u003c\/li\u003e \u003cli\u003eVoltage: 240 V\u003c\/li\u003e \u003cli\u003eMounting: Bolt‑On\u003c\/li\u003e \u003cli\u003ePart Number: QJ3B150H00S01\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat sets it apart\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eBolt‑on mounting for secure, straightforward field installation in compatible Siemens panels, helping to minimize service time during upgrades or replacements.\u003c\/li\u003e \u003cli\u003eThree‑pole protection ensures synchronized interruption across all phases, which is essential for protecting 3‑phase equipment and motors from potentially damaging fault conditions.\u003c\/li\u003e \u003cli\u003ePart number QJ3B150H00S01 serves as the most reliable reference for compatibility, simplifying sourcing and reducing the risk of mismatches in retrofit projects.\u003c\/li\u003e \u003cli\u003eSpecifically suited for 240V systems, making it a precise fit for installations where this voltage level is standard and required.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePanel maintenance: quick replacement of aging or damaged breakers in 3‑phase distribution panels.\u003c\/li\u003e \u003cli\u003eRetrofit projects: upgrading existing electrical infrastructure to meet updated safety and reliability standards.\u003c\/li\u003e \u003cli\u003eNew installations in commercial and light industrial settings where 240V, 3‑phase power is used.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and installation notes\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, confirm fit and ratings for your specific panel. The QJ3B150H00S01 part number is the best reference to ensure compatibility with Siemens bolt‑on breakers and the matching panel assembly. Use it as your primary source of verification when planning replacements or retrofits, and follow your panel manufacturer’s installation guidelines to secure proper mounting and electrical connection.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427418722466,"sku":"QJ3B150H00S01","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-qj3b150h00s01-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}