{"product_id":"siemens-qjh23b110-circuit-breaker","title":"Siemens | QJH23B110 | Circuit Breaker | 110A | 3-Pole | 240V | 22kA","description":"\u003cdiv\u003e\n\u003cp\u003eWhen your electrical panel needs robust, reliable protection for a 3‑phase 240V system, the Siemens QJH23B110 circuit breaker delivers precise current control with a wide fault-interruption margin. Designed for maintenance, retrofit, and replacement projects, this 110A, 3‑pole unit integrates smoothly into compatible Siemens panels to safeguard equipment and keep downtime to a minimum.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 110 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3‑Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eInterrupting rating:\u003c\/strong\u003e 22 kA\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e QJH23B110\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this Siemens breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\u003cstrongexact compatibility:\u003e The QJH23B110 is a Siemens‑specific model, ensuring a precise fit and reliable electrical protection when upgrading or replacing existing protection in compatible panels.\u003c\/strongexact\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong3 protection for systems:\u003e Ideal for motors, pumps, conveyors, and other three‑phase loads that require synchronized shutdown across all phases.\u003c\/strong3\u003e\u003c\/li\u003e \u003cli\u003e\u003cstronghigh fault tolerance:\u003e A 22 kA interrupting rating provides a strong margin against short‑circuit energy, helping protect wiring and downstream equipment.\u003c\/stronghigh\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrongmaintenance design:\u003e Built to endure typical industrial duty, supporting longer service intervals and dependable performance in retrofit projects.\u003c\/strongmaintenance\u003e\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eRetrofit or replacement in existing Siemens panels where a 110A, 3‑pole, 240V protective device is required.\u003c\/li\u003e \u003cli\u003eUpgrading protection for three‑phase motors, compressors, or HVAC equipment in commercial or light industrial environments.\u003c\/li\u003e \u003cli\u003eNew installations that demand a Siemens‑brand circuit breaker with a proven track record and compatible form factor.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and ordering tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAlways confirm fit and ratings before ordering. The part number QJH23B110 is the best reference to ensure compatibility with your panel and wiring configuration.\u003c\/li\u003e \u003cli\u003eVerify that your system is a three‑phase 240V setup and that the requested 110 A protection aligns with the load requirements and feeder sizing.\u003c\/li\u003e \u003cli\u003eUse this unit for maintenance and retrofit projects where a like‑for‑like protection device is needed to preserve protection coordination and shutdown behavior.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and safety considerations\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePower must be isolated before any replacement or installation work. Follow proper lockout\/tagout procedures to protect personnel.\u003c\/li\u003e \u003cli\u003eConsult your panel’s documentation and Siemens installation guidelines to confirm mounting, torque, and wiring practices for a safe, compliant installation.\u003c\/li\u003e \u003cli\u003eKeep a record of the exact part number (QJH23B110) for future maintenance or replacement decisions to ensure ongoing compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46425520308386,"sku":"QJH23B110","price":2715.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a085eff1-75dd-47ee-b131-4c8df8f0489b.png?v=1765492976","url":"https:\/\/www.ampstate.com\/products\/siemens-qjh23b110-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}