{"product_id":"siemens-qj3b110ha02-circuit-breaker","title":"Siemens | QJ3B110HA02 | Circuit Breaker | 110A | 3-Pole | 240V","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens QJ3B110HA02 Circuit Breaker is a precise, ready-to-use protection device built for reliable performance in 240V electrical systems. With a 110A rating and 3-pole design, it’s tailored for environments that require solid, three‑phase protection and streamlined replacement in Siemens panels.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eImportant compatibility note:\u003c\/strong\u003e Confirm fit and ratings before ordering. The part number QJ3B110HA02 is the best reference for compatibility, ensuring you receive the exact form factor and electrical characteristics your panel expects.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\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\u003ePart number:\u003c\/strong\u003e QJ3B110HA02\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this Siemens circuit breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact replacement reference\u003c\/strong\u003e — Designed to be swapped into compatible Siemens panels without modification, reducing downtime during maintenance or retrofit.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDesigned for reliability in demanding systems\u003c\/strong\u003e — The 110A, 3-pole configuration is well-suited for commercial or light industrial applications that require solid overcurrent protection across three phases.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear, traceable compatibility\u003c\/strong\u003e — Using the official part number as your guide helps avoid mismatches that can occur with generic substitutes.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance and service replacements to restore protected circuits quickly\u003c\/li\u003e \u003cli\u003eRetrofits or upgrades where a 110A, 3-pole, 240V protection device is required\u003c\/li\u003e \u003cli\u003eSpare part planning for service fleets or facility management to minimize downtime\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow to verify fit and install\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMatch the part number: QJ3B110HA02 to your panel’s documentation and labeling.\u003c\/li\u003e \u003cli\u003eEnsure the system voltage is 240V and the circuit requires a 3-Pole protective device rated at 110A.\u003c\/li\u003e \u003cli\u003eBefore installation, power down the equipment and follow standard lockout\/tagout procedures.\u003c\/li\u003e \u003cli\u003eConsult the panel’s installation guidelines for terminal torque and mounting requirements to ensure a secure, compliant connection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDesigned to integrate smoothly into Siemens electrical ecosystems, this circuit breaker delivers dependable protection, simplified maintenance, and peace of mind for your critical electrical infrastructure. If you’re aligning a retrofit, replacement, or ongoing maintenance plan, the QJ3B110HA02 provides a precise, reliable fit that supports consistent performance across your 240V, three-phase applications.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427419279522,"sku":"QJ3B110HA02","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-qj3b110ha02-circuit-breaker-110a-3-pole-240v-673.webp?v=1789720615","url":"https:\/\/www.ampstate.com\/products\/siemens-qj3b110ha02-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}