{"product_id":"siemens-qj22b125-125a-2p-circuit-breaker","title":"Siemens QJ22B125 125A 2P Circuit Breaker, Bolt-On | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens QJ22B125 bolt-on circuit breaker delivers dependable overcurrent protection for panelboards, load centers, and electrical distribution systems. This 125-amp, two-pole unit is purpose-built for retrofit work and maintenance planning where keeping the exact part number matters for inventory control and service reliability. Engineered by Siemens, it integrates smoothly with existing QJ-series gear to simplify upgrades and field replacements.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eBolt-On mounting\u003c\/strong\u003e for secure, field-friendly installation in compatible Siemens panels, enabling fast swaps during upgrades or repairs.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e2-pole configuration\u003c\/strong\u003e provides simultaneous protection of two conductors, ideal for common two‑pole circuits within distribution setups.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e125 A amperage\u003c\/strong\u003e rating delivers robust protection for feeders and branch circuits that require reliable, high-capacity interrupting capability.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number QJ22B125\u003c\/strong\u003e supports retrofit consistency and easy spare-part planning in service fleets and building maintenance programs.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmpState availability\u003c\/strong\u003e ensures accessible sourcing and support when you’re aligning compatibility with your existing gear.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy this matters for your project\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIf you’re upgrading an existing Siemens panel or planning routine maintenance, the QJ22B125 offers a straightforward, compatible replacement that minimizes downtime. Its bolt-on design reduces mounting complexity, while the two-pole protection aligns with standard distribution configurations. This makes it a reliable choice for electricians and facility managers who need predictable performance and easy logistics.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eUse cases and ideal applications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eRetrofit projects where inventory stability and compatibility with current panelboards are critical\u003c\/li\u003e \u003cli\u003eMaintenance planning for ongoing electrical distribution systems across commercial, industrial, or multi‑site facilities\u003c\/li\u003e \u003cli\u003eSpare-part provisioning for fleets that rely on Siemens QJ-series breakers to maintain consistent protection across installations\u003c\/li\u003e \u003cli\u003eUpgrades or replacements in existing Siemens installations where a 125 A, 2-pole solution is appropriate\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eSpecifications at a glance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Siemens\u003c\/li\u003e \u003cli\u003ePart Number: QJ22B125\u003c\/li\u003e \u003cli\u003eProduct Type: Circuit Breaker\u003c\/li\u003e \u003cli\u003eAmperage: 125 A\u003c\/li\u003e \u003cli\u003ePoles: 2\u003c\/li\u003e \u003cli\u003eMounting: Bolt-On\u003c\/li\u003e \u003cli\u003eApplications: Panelboards, load centers, and electrical distribution\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eNeed help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit for your specific panel or distribution setup. Available from AmpState, the QJ22B125 is a practical, reliable choice for maintaining consistent protection across your electrical system.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46410914988194,"sku":"QJ22B125","price":3208.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_83963f7f-600e-419f-90c6-e7677089642b.png?v=1765492973","url":"https:\/\/www.ampstate.com\/products\/siemens-qj22b125-125a-2p-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}