{"product_id":"square-d-qhb230-30a-240v-2-pole-bolt-on-circuit-breaker","title":"Square D QHB230 - 30 A, 240 V, 2-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D QHB230 is a dependable 2-pole bolt-on molded case circuit breaker engineered for reliable 30 A, 240 V protection in panelboards and load centers. Designed to safeguard branch circuits and prevent costly electrical faults, this breaker is a smart choice for both new installations and panel upgrades.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e: delivers a rigid, vibration-resistant bus connection that stays aligned under real-world conditions, reducing the risk of loose contacts over time.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e: provides stable, repeatable protection performance, with fast short-circuit response and controlled, predictable trips for everyday reliability.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e2-pole, 30A, 240V configuration\u003c\/strong\u003e: ideal for protecting 240V two-hot-line circuits and feeders, with clear, straightforward operation in residential, commercial, and light industrial setups.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM panel compatibility\u003c\/strong\u003e: engineered to pair with matching Square D OEM load centers and panelboards, ensuring proper fit, alignment, and consistent trip characteristics.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application\u003c\/strong\u003e: suitable for a range of 240V branch circuits, including lighting feeders, receptacle circuits, and motor loads up to 30A in homes, offices, and light industrial environments.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Square D\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e QHB230\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage Rating:\u003c\/strong\u003e 30A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 2\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting Style:\u003c\/strong\u003e Bolt-on\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this breaker stands out: it combines a rugged bolt-on installation with a precise thermal-magnetic trip profile, delivering dependable protection where panelboard reliability matters most. The design focuses on clean bus connections and predictable behavior, helping you avoid nuisance trips while still stopping faults quickly. If you’re updating a panel or stocking spare parts for maintenance, the QHB230 offers a durable, compatible solution that aligns with Square D OEM systems for consistent performance across your electrical infrastructure.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355391479970,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/schnieder_and_square_d_breaker_and_panel_24367fef-505c-4ba8-8c63-3a8fc6035cb3.png?v=1764691745","url":"https:\/\/www.ampstate.com\/products\/square-d-qhb230-30a-240v-2-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}