{"product_id":"cjd63b300l-siemens-300-amp-600-volt-3-pole-molded-case-circuit-breaker-jd-frame","title":"CJD63B300L - Siemens 300 Amp 600 Volt 3-Pole Molded Case Circuit Breaker JD Frame","description":" \t\t\t\t\t\t\t\t\t\t\u003ch2\u003eCJD63B300L\u003c\/h2\u003e                                         \u003cbr\u003e \t\t\t\t\t\t\t\t\t\t\u003cb\u003eCJD63B300L\u003c\/b\u003e is a Siemens 300 Amp, 600 Volt, 3-Pole Molded Case Circuit Breaker from the JD Frame Sentron Series designed for reliable circuit protection.This Siemens JD63B300L breaker features a bolt-on mounting type and an interchangeable thermal magnetic trip unit. It is rated for 25 kA interrupting capacity at 600 VAC and 35 kA at 480 VAC, meeting UL 489 and IEC 60947-2 standards. The breaker is designed for standard 40°C ambient temperature operation and provides dependable protection in three-phase electrical systems.\u003cul\u003e\n\u003cli\u003eAmperage: 300 Amp\u003c\/li\u003e\n\u003cli\u003eVoltage Rating: 600 Volt AC\u003c\/li\u003e\n\u003cli\u003ePoles: 3\u003c\/li\u003e\n\u003cli\u003eMounting Type: Bolt-On\u003c\/li\u003e\n\u003cli\u003eInterrupt Rating: 25 kA at 600 VAC, 35 kA at 480 VAC\u003c\/li\u003e\n\u003cli\u003eSeries\/Frame: JD Frame Sentron Series\u003c\/li\u003e\n\u003cli\u003eTrip Unit: Interchangeable Thermal Magnetic\u003c\/li\u003e\n\u003cli\u003eCertifications: UL 489, IEC 60947-2\u003c\/li\u003e\n\u003c\/ul\u003eAt \u003cb\u003eEssential Parts\u003c\/b\u003e, we offer \u003cb\u003efast shipping\u003c\/b\u003e, \u003cb\u003elowest price\u003c\/b\u003e, and \u003cb\u003eexpert support\u003c\/b\u003e to help you get the right product every time. \t\t\t\t\t\t\t\t\t\t\u003cbr\u003e                                          \t\t\t\t\t\t\t\t\t\t\u003ch3\u003e\u003cb\u003eSpecifications\u003c\/b\u003e\u003c\/h3\u003e \t\t\t\t\t\t\t\t\t\t\u003cul\u003e \t\t\t\t\t\t\t\t\t\t\t\u003cli\u003ePart Number: CJD63B300L\u003c\/li\u003e                                             \u003cli\u003eManufacturer : Siemens\u003c\/li\u003e\n\u003cli\u003eCategory : Circuit Breaker\u003c\/li\u003e\n\u003cli\u003eItem Subcategory : Molded Case\u003c\/li\u003e\n\u003cli\u003eFamily : Sentron Series\u003c\/li\u003e\n\u003cli\u003eType : CJD\u003c\/li\u003e\n\u003cli\u003eVoltage : 600\u003c\/li\u003e\n\u003cli\u003eAmperage : 300\u003c\/li\u003e\n\u003cli\u003ePhase : 3\u003c\/li\u003e\n\u003cli\u003ePoles : 3\u003c\/li\u003e\n\u003cli\u003eAIC rating : 150kA@480V\u003c\/li\u003e\n\u003cli\u003eConnection : Feed-Thru\u003c\/li\u003e\n\u003cli\u003eFunctions : LI - Long-Time and Instantaneous\u003c\/li\u003e\n\u003cli\u003eFrame Size : JD Frame\u003c\/li\u003e\n\u003cli\u003eProtection : Thermal Magnetic\u003c\/li\u003e \t\t\t\t\t\t\t\t\t\t\u003c\/ul\u003e                                         \u003cbr\u003e                                         \u003ch3\u003e\u003cb\u003eProduct Data\u003c\/b\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eUPC : 783643236844\u003c\/li\u003e\n\u003cli\u003eGTIN : 00783643236844\u003c\/li\u003e\n\u003cli\u003eCountry of Origin : Mexico\u003c\/li\u003e\n\u003cli\u003eDimensions : 19.685 x 9.843 x 6.693 inch\u003c\/li\u003e\n\u003cli\u003eWeight : 34.568 \u003c\/li\u003e\n\u003c\/ul\u003e                                         \u003cbr\u003e                                          ","brand":"Siemens","offers":[{"title":"Re-Certified","offer_id":42782463262879,"sku":"CJD63B300L-ReCert","price":3436.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0500\/2349\/7887\/files\/Screenshot2025-08-27at1.07.28PM.png?v=1756321670","url":"https:\/\/essentialparts.com\/products\/cjd63b300l-siemens-300-amp-600-volt-3-pole-molded-case-circuit-breaker-jd-frame","provider":"Essential Electric Supply","version":"1.0","type":"link"}