{"product_id":"siemens-qjh23b07000s01-circuit-breaker","title":"Siemens | QJH23B07000S01 | Circuit Breaker | 70A | 3-Pole | 240V","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens QJH23B07000S01 Circuit Breaker: a purpose-built protection device for 240V, three-pole installations, rated at 70A. Designed for maintenance, retrofit, or replacement projects where exact specs matter, this breaker helps keep critical circuits safeguarded with a reliable, Siemens-built solution.\u003c\/p\u003e \u003ch3\u003eKey specs at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 70A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e QJH23B07000S01\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this Siemens breaker stands out\u003c\/h3\u003e\n\u003cp\u003eWhen your panel requires a precise QJH-series component, this 70A, 3-pole model is designed to drop into compatible Siemens panels with confidence. The part-number-specific reference (QJH23B07000S01) helps ensure a correct fit, reducing guesswork during repair or upgrades. The 3-pole design is well-suited for three-phase systems, providing coordinated protection across all phases for reliable motor and feeder safeguarding.\u003c\/p\u003e \u003ch3\u003eBest use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance: replace worn or failed breakers in existing Siemens panels that accept QJH-series units.\u003c\/li\u003e \u003cli\u003eRetrofit: update older installations to a current 70A, 3-pole, 240V protection scheme for improved safety and reliability.\u003c\/li\u003e \u003cli\u003eReplacement: quick substitution when specifications match the original part number, minimizing downtime.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation notes and compatibility\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, confirm fit and ratings for your specific panel. The part number is the most reliable reference for compatibility. This breaker is intended for 3-phase, 240V systems and should be installed by qualified personnel following local electrical codes.\u003c\/p\u003e \u003ch3\u003ePractical tips for best results\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eKeep a spare QJH23B07000S01 on hand for urgent replacements in service-critical circuits.\u003c\/li\u003e \u003cli\u003eStore uninstalled breakers in a dry, cool environment to preserve performance.\u003c\/li\u003e \u003cli\u003eCross-reference the panel labeling to ensure the QJH-series unit is listed for your panel model.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427416232098,"sku":"QJH23B07000S01","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-qjh23b07000s01-circuit-breaker-70a-3-pole-240v-150.webp?v=1789719971","url":"https:\/\/www.ampstate.com\/products\/siemens-qjh23b07000s01-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}