{"product_id":"siemens-qj3b110ha01-circuit-breaker","title":"Siemens | QJ3B110HA01 | Circuit Breaker | 110A | 3-Pole | 240V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens QJ3B110HA01 circuit breaker—a precise 110-amp, 3-pole, 240-volt protective device designed for reliable overcurrent protection in 3-phase electrical systems. Built for maintenance, retrofit, and replacement projects where exact specs matter, this bolt-on breaker pairs with compatible Siemens panels to keep your power distribution robust and compliant.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eCore specifications at a glance\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 110A\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 number:\u003c\/strong\u003e QJ3B110HA01\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy this Siemens breaker stands out\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eDesigned for seamless maintenance and retrofits in commercial and light industrial panels that require a 3-pole, 240V protection device with a 110A rating.\u003c\/li\u003e \u003cli\u003eBolt-on mounting provides secure, vibration-resistant installation in compatible enclosures, helping minimize panel downtime during replacements or upgrades.\u003c\/li\u003e \u003cli\u003eUsing the exact \u003cem\u003eQJ3B110HA01\u003c\/em\u003e part number ensures compatibility with your panel's frame and trip characteristics, reducing guessing work during procurement.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal use scenarios\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eUpgrading a 3-phase feeder in a 240V distribution system where 110A protection is required for a load center or switchgear section.\u003c\/li\u003e \u003cli\u003eReplacing a failed or aged circuit breaker in an existing Siemens installation, preserving the panel's original protection design.\u003c\/li\u003e \u003cli\u003eRetrofits where a precise Siemens spec is mandated to maintain warranty coverage and diagnostic consistency.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePractical installation and compatibility tips\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eAlways confirm fit and ratings before ordering—the \u003cem\u003eQJ3B110HA01\u003c\/em\u003e part number is the most reliable reference for compatibility.\u003c\/li\u003e \u003cli\u003eVerify that your panel supports a 3-pole, 240V, bolt-on configuration and that the bus stabs align with the breaker’s mounting style.\u003c\/li\u003e \u003cli\u003eFor ongoing protection reliability, ensure the electrical panel and conductor sizing meet NEC\/IEC guidelines for a 110A protected circuit.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoosing this Siemens circuit breaker means prioritizing precise compatibility, dependable overload protection, and a streamlined replacement process that minimizes panel downtime. If your project requires exact Siemens parts to maintain system integrity, the QJ3B110HA01 is engineered to deliver consistent performance where it matters most — in the heart of your electrical distribution network.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427419312290,"sku":"QJ3B110HA01","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-qj3b110ha01-circuit-breaker-110a-3-pole-240v-bolt-837.webp?v=1789720623","url":"https:\/\/www.ampstate.com\/products\/siemens-qj3b110ha01-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}