{"product_id":"siemens-hjd62b300l-circuit-breaker","title":"Siemens | HJD62B300L | Circuit Breaker | 300A | 2-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Siemens HJD62B300L circuit breaker—your reliable, high-capacity protection for demanding electrical systems. This 2-pole device delivers 300A of overcurrent protection at up to 600V, making it a solid choice for industrial and commercial applications, retrofits, and replacements where exact specifications matter.\u003c\/p\u003e \u003cp\u003eKey specifications at a glance: \u003cstrong\u003ePart number\u003c\/strong\u003e HJD62B300L ensures compatibility across Siemens and compatible panel ecosystems. Amperage: 300A. Poles: 2-Pole. Voltage: 600V.\u003c\/p\u003e \u003cp\u003eWhat makes this Siemens breaker stand out:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eRobust 300A protection for feeders, distribution panels, and critical equipment, reducing the risk of downstream damage from overloads.\u003c\/li\u003e \u003cli\u003eTwo-pole design provides synchronized shutdown for both conductors, simplifying wiring and ensuring coordinated protection in 2-wire or 3-wire systems.\u003c\/li\u003e \u003cli\u003e600V insulation rating supports a wide range of industrial and commercial power distribution scenarios, from manufacturing floors to data centers’ power rooms.\u003c\/li\u003e \u003cli\u003eSiemens engineering and build quality deliver consistent performance, compatibility, and long-term reliability within standard electrical installations.\u003c\/li\u003e \u003cli\u003eClear compatibility reference: use the \u003cstrong\u003eHJD62B300L\u003c\/strong\u003e part number to confirm fit and ratings before ordering, reducing the risk of mismatched breakers.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal use cases and scenarios:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eRetrofits: replace aging or obsolete breakers with a like-for-like 300A, 2-pole, 600V Siemens unit to minimize downtime and maintain system performance.\u003c\/li\u003e \u003cli\u003eMaintenance: keep spare parts on hand for quick field replacements in commercial or light industrial panels.\u003c\/li\u003e \u003cli\u003eNew installations: integrate into service panels and distribution boards requiring robust 300A protection with fast, reliable trip characteristics.\u003c\/li\u003e \u003cli\u003eUpgrading panels: ensure compatibility when expanding capacity or updating electrical infrastructure in manufacturing lines, data centers, or large facilities.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eInstallation and care tips\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eVerify fit and ratings before ordering: the \u003cstrong\u003epart number HJD62B300L\u003c\/strong\u003e is your best reference for compatibility.\u003c\/li\u003e \u003cli\u003eFollow standard electrical safety practices: de-energize circuits, use appropriate PPE, and torque connections according to panel specifications.\u003c\/li\u003e \u003cli\u003eStore spare units in a clean, dry environment to preserve performance and longevity.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy choose Siemens for overcurrent protection? This brand is trusted by electricians and engineers for dependable performance, consistent trip behavior, and seamless integration with a broad range of panels and systems. The HJD62B300L 2-pole, 300A, 600V circuit breaker is built to guard your power distribution with precision, minimizing unplanned outages and protecting valuable equipment.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eSpecifications at a glance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAmperage: 300A\u003c\/li\u003e \u003cli\u003ePoles: 2-Pole\u003c\/li\u003e \u003cli\u003eVoltage: 600V\u003c\/li\u003e \u003cli\u003ePart number: HJD62B300L\u003c\/li\u003e \u003cli\u003eApplication notes: Suitable for maintenance, retrofit, and replacement when matching specs are required; confirm fit and ratings before ordering\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427485962402,"sku":"HJD62B300L","price":33044.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-hjd62b300l-circuit-breaker-300a-2-pole-600v-565.webp?v=1789729967","url":"https:\/\/www.ampstate.com\/products\/siemens-hjd62b300l-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}