{"product_id":"siemens-qjh23b150-150a-3p-240v-circuit-breaker","title":"Siemens QJH23B150 150A 3P 240V Circuit Breaker, Bolt-On | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens QJH23B150 is a rugged, bolt-on circuit breaker designed to protect electrical distribution systems in panelboards and load centers. With a 150-amp rating and 3 poles at 240V, this breaker is engineered for reliable performance in commercial and industrial environments where precise protection and quick maintenance matters.\u003c\/p\u003e \u003cp\u003eDesigned for a direct part-number match, this unit minimizes installation guesswork and reduces downtime when stocking spares. It’s a purpose-built choice for technicians and panel builders who need a dependable Siemens breaker that aligns with existing bolt-on mounting configurations and bus connections.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e QJH23B150\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 150 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Bolt-On\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Circuit Breaker for panelboards, load centers, and electrical distribution\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Suited for Siemens bolt-on panel systems; ideal when a direct part-number match is required\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this matters in the field:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePrecision fit, faster swaps:\u003c\/strong\u003e A direct part-number match ensures the breaker nests correctly in Siemens panelboards and aligns with the existing bus structure for a secure, reliable trip path.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear capacity for demanding loads:\u003c\/strong\u003e 150 A is well-suited for protecting medium-to-high current circuits common in commercial equipment rooms and industrial applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliable distribution protection:\u003c\/strong\u003e The 3-pole design provides balanced protection across three conductors, helping prevent overcurrent conditions from propagating through the electrical system.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eInventory optimization:\u003c\/strong\u003e For maintenance teams and panel builders, keeping an exact QJH series part on hand reduces back-and-forth to verify compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThis product is ideal for:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eMaintenance teams performing replacements in existing Siemens installations\u003c\/li\u003e \u003cli\u003ePanel builders configuring bolt-on circuit protection in new builds\u003c\/li\u003e \u003cli\u003eElectrical distributors stocking targeted spares for fast service calls\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical use cases:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eReplacing a failed unit in a Siemens panelboard that specifies bolt-on breakers\u003c\/li\u003e \u003cli\u003eStocking a reliable, ready-to-install 150 A, 3-pole solution for emergency service calls\u003c\/li\u003e \u003cli\u003eSpecifying exact-fit protection for commercial equipment rooms and distribution panels\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eNeed help confirming fit before purchase? AmpState offers assistance to verify compatibility and ensure you’re selecting the exact part needed for your panel or distribution setup. Message us with your panel model and requirements, and we’ll help confirm that QJH23B150 is the right match.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eAvailability and support\u003c\/strong\u003e: This Siemens 150A 3P 240V bolt-on circuit breaker is available from AmpState, with expert guidance to ensure proper installation and reliable protection for your electrical distribution system.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46412453675170,"sku":"QJH23B150","price":4093.0,"currency_code":"CAD","in_stock":true}],"url":"https:\/\/www.ampstate.com\/products\/siemens-qjh23b150-150a-3p-240v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}