{"product_id":"siemens-qj23b225h-225a-240v-3-pole-bolt-on-circuit-breaker","title":"Siemens QJ23B225H - 225 A, 240 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003eSiemens QJ23B225H is a purpose-built safeguard for your 3-phase electrical infrastructure. With a robust 225 Amp rating and 240 Volt capacity, this 3-pole bolt-on molded case circuit breaker is designed to deliver dependable branch circuit overcurrent and short-circuit protection where reliability matters most—in panelboards and load centers. \u0026lt; ul \u0026gt;\u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e for a rigid, vibration-resistant bus connection. This design helps maintain consistent electrical contact and reduces movement-related wear over time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection across a range of fault currents, balancing fast response to short circuits with nuisance-trip resistance during transient faults.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree-pole configuration\u003c\/strong\u003e suited for balanced protection in 3-phase systems, ensuring coordinated protection across all live conductors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e240V operating capacity\u003c\/strong\u003e aligned with common commercial and industrial panelboards and loadcenters, enabling straightforward integration into existing electrical architectures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM-compatible design\u003c\/strong\u003e ensures seamless use with matching Siemens OEM panelboards and loadcenters for streamlined replacement and upgrades.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile application\u003c\/strong\u003e ideal for residential, commercial, and light industrial environments where reliable circuit protection is essential.\u003c\/li\u003e \u003cp\u003e\u003cstrong\u003eKey specifications at a glance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Siemens\u003c\/li\u003e \u003cli\u003ePart Number: QJ23B225H\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage Rating: 225A\u003c\/li\u003e \u003cli\u003eVoltage Rating: 240V\u003c\/li\u003e \u003cli\u003eNumber of Poles: 3\u003c\/li\u003e \u003cli\u003eMounting Style: Bolt-on\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWho should consider the Siemens QJ23B225H? This breaker is crafted for professionals stocking panelboards and loadcenters that require a durable, high-capacity solution. It’s the practical choice for upgrading or replacing aging protection devices in residential multi-family setups, commercial offices, and light industrial facilities where stable, predictable trip performance is non-negotiable.\u003c\/p\u003e \u003cp\u003eWhy this matters in the real world: when electrical loads surge or a fault occurs, you want a breaker that trips decisively without compromising downstream equipment. The QJ23B225H’s bolt-on mounting reduces vibration-induced contact issues, while the thermal-magnetic trip unit delivers reliable protection across typical fault scenarios. Paired with compatible OEM panelboards, it minimizes compatibility concerns and simplifies procurement for project installs or replacements.\u003c\/p\u003e \u003cp\u003ePractical usage tips:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eEnsure compatibility with your existing Siemens OEM panelboard or loadcenter to maintain warranty and performance expectations.\u003c\/li\u003e \u003cli\u003eUse in circuits where 225A protection is appropriate and where 3-pole, 240V operation is required for balanced, multi-location loads.\u003c\/li\u003e \u003cli\u003eStore spares in standard inventory for quick replacements in residential or light commercial equipment back-ups.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoosing the Siemens QJ23B225H means selecting a trusted, purpose-built solution designed to deliver consistent protection, long-term reliability, and straightforward integration into established Siemens electrical ecosystems. If you’re planning a panel upgrade, retrofit, or routine maintenance, this 3-pole bolt-on breaker is prepared to perform where it counts—protecting people, wiring, and downstream devices with precision.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355161907362,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens_breaker_and_panel_1b5334e1-5611-42ea-97fb-78b121638690.png?v=1764689852","url":"https:\/\/www.ampstate.com\/products\/siemens-qj23b225h-225a-240v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}