{"product_id":"siemens-hqj23b125h01s07-circuit-breaker","title":"Siemens | HQJ23B125H01S07 | Circuit Breaker | 125A | 3-Pole | 240V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eThe \u003cstrong\u003eSiemens HQJ23B125H01S07\u003c\/strong\u003e circuit breaker is engineered for reliable, high-demand protection in three‑phase 240V systems. With a 125A rating and a 3‑pole configuration, this bolt‑on unit is designed for robust integration into compatible Siemens panels, making it a precise choice for retrofit, maintenance, or replacement projects.\u003c\/p\u003e \u003ch2\u003eKey specifications that matter\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 125A\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\u003eMounting:\u003c\/strong\u003e Bolt-On\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart reference:\u003c\/strong\u003e HQJ23B125H01S07\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy this bolt-on breaker fits your project\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePrecise compatibility\u003c\/strong\u003e — The HQJ23B125H01S07 part number is the best reference for ensuring a correct fit in Siemens bolt-on panels. Use this exact model for dependable alignment with bus bars and mounting hardware.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSolid 3‑phase protection\u003c\/strong\u003e — Designed to protect 3‑pole, 240V circuits, ideal for distributing power to motors, compressors, and other equipment across industrial, commercial, or data-center environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEfficient maintenance and replacement\u003c\/strong\u003e — Bolt‑on mounting facilitates quicker swaps during service events, reducing downtime while maintaining secure electrical contact.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRetrofit-ready\u003c\/strong\u003e — A practical upgrade path when upgrading outdated protection schemes or replacing a failed unit in existing Siemens installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear fit confirmation\u003c\/strong\u003e — The product notes advise confirming fit and ratings before ordering to avoid compatibility issues in your panel lineup.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eIdeal use cases\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eUpgrading or replacing a failed 3‑pole, 125A breaker in Siemens bolt-on panels.\u003c\/li\u003e \u003cli\u003eRetrofit projects for facilities requiring robust 3‑phase protection at 240V.\u003c\/li\u003e \u003cli\u003eMotor control circuits and feeders in manufacturing, processing, and automation environments that demand reliable circuit protection.\u003c\/li\u003e \u003cli\u003ePanel modernization efforts where exact part reference HQJ23B125H01S07 ensures consistent electrical performance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePractical installation and care tips\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eBefore ordering, verify that your panel accepts bolt‑on Siemens breakers in the HQJ family and that 125A, 3‑pole, 240V ratings match your system requirements.\u003c\/li\u003e \u003cli\u003eWhen replacing, power must be removed and lockout\/tagout procedures observed; ensure all connections are clean, dry, and torqued to panel specifications.\u003c\/li\u003e \u003cli\u003eInspect mounting hardware and contact surfaces during installation to maintain optimal conductivity and fault protection.\u003c\/li\u003e \u003cli\u003eKeep the original part number handy for future maintenance or replacement planning—HQJ23B125H01S07 is your definitive reference for this configuration.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose the Siemens HQJ23B125H01S07 for precise, dependable 3‑phase protection at 125A and 240V. This bolt‑on breaker is purpose-built for professionals who demand exact fit, straightforward installation, and lasting performance in demanding electrical environments.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427072135330,"sku":"HQJ23B125H01S07","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-hqj23b125h01s07-circuit-breaker-125a-3-pole-240v-bolt-211.webp?v=1789667943","url":"https:\/\/www.ampstate.com\/products\/siemens-hqj23b125h01s07-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}