{"product_id":"square-d-qob230epd-30a-240v-2-pole-bolt-on-circuit-breaker","title":"Square D QOB230EPD - 30 A, 240 V, 2-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D QOB230EPD is a 30A, 240V, 2-pole bolt-on molded case circuit breaker engineered for dependable branch circuit protection in panelboards and load centers. Built to stand up to everyday electrical demands, it combines secure mounting, precise protection, and OEM-wide compatibility to keep critical circuits safe and reliable.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting:\u003c\/strong\u003e a rigid connection that resists vibration and helps maintain a dependable bus contact over time.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit:\u003c\/strong\u003e combines thermal overload protection with instantaneous magnetic response for fast, repeatable protection during short-circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e2-pole, 30A, 240V configuration:\u003c\/strong\u003e ideal for dedicated 240V circuits in residential, commercial, and light industrial applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePanelboard compatibility:\u003c\/strong\u003e designed to pair with matching OEM load centers and panelboards for straightforward replacement and consistent performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMolded case durability:\u003c\/strong\u003e robust construction suited for demanding environments and long service life.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBolt-on mounting advantage:\u003c\/strong\u003e provides a sturdy, vibration-resistant installation that minimizes connection drift in challenging installations.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy choose the Square D QOB230EPD?\u003c\/h3\u003e\n\u003cp\u003eIf you’re upgrading or replacing an undersized or failing breaker in a Square D load center or panelboard, the QOB230EPD delivers reliable, repeatable protection for your 30A circuits. The bolt-on design ensures a secure fit in OEM enclosures, reducing nuisance trips caused by loose connections. The thermal-magnetic trip mechanism offers a clear protection profile: the thermal element handles sustained overcurrent events, while the magnetic element activates instantly on severe faults, helping protect wiring, devices, and overall system integrity.\u003c\/p\u003e \u003ch3\u003eApplications and use cases\u003c\/h3\u003e\n\u003cp\u003eBest suited for circuits that require robust, full-load protection at 240V. Ideal scenarios include:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eDedicated 30A circuits for HVAC equipment, air handlers, or pumps in residential or light commercial settings.\u003c\/li\u003e \u003cli\u003eProtection for small commercial lighting and receptacle circuits fed from panelboards.\u003c\/li\u003e \u003cli\u003eReplacement in compatible Square D panels where a secure, bolt-on solution is preferred over plug-on alternatives.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical snapshot\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Square D (Schneider Electric)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e QOB230EPD\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\u003eDesigned for installers and end users who demand precise protection with a secure, OEM-compatible installation, the Square D QOB230EPD helps keep electrical systems safer and more reliable. Whether upgrading an aging panel or adding a dedicated 30A circuit, this bolt-on breaker offers a clear path to durable, predictable performance in the right Square D load centers and panelboards.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355411533986,"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_403f07b8-5ad0-4308-939f-f5a3f0cfbde7.png?v=1764691940","url":"https:\/\/www.ampstate.com\/products\/square-d-qob230epd-30a-240v-2-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}