{"product_id":"siemens-sjd69300-circuit-breaker","title":"Siemens | SJD69300 | Circuit Breaker | 300A | 3-Pole","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Siemens SJD69300 Circuit Breaker — a purpose-built 300A, 3-Pole solution engineered for demanding three-phase electrical systems. Designed for professionals who value reliability in maintenance, retrofit, and replacement scenarios, this unit provides solid protection and dependable performance where it matters most.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole configuration\u003c\/strong\u003e: safeguards all three phases in a balanced, three‑phase distribution network, helping protect motors, compressors, and other heavy loads from overloads and faults.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e300A capacity\u003c\/strong\u003e: suitable for high-current applications within industrial panels and commercial electrical rooms, delivering robust protection for demanding equipment without compromising system stability.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eExact compatibility reference\u003c\/strong\u003e: the part number SJD69300 is your best guide for matching fit and ratings with existing Siemens installations—verify alignment with your panel before purchase.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaintenance, retrofit, and replacement ready\u003c\/strong\u003e: designed for straightforward drop-in replacement in compatible Siemens setups, reducing downtime during upgrades or repairs.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable, field-ready construction\u003c\/strong\u003e: built to perform in typical commercial and industrial environments, with the rugged design you expect from Siemens protection devices.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWho should consider this breaker? Facilities engineers, maintenance technicians, and installers upgrading or replacing aging protection gear in three-phase systems. It’s ideal for panels that require a like-for-like Siemens 300A, 3-pole protection device to maintain electrical safety, protect valuable equipment, and sustain uptime.\u003c\/p\u003e \u003cp\u003eUsage ideas and practical considerations:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eUse in three-phase service panels where a 300A rating and three-pole protection are specified for line-side protection of motors, air handling units, and other heavy loads.\u003c\/li\u003e \u003cli\u003eConfirm panel labeling, current ratings, and the presence of a compatible Siemens mounting style to ensure a seamless fit.\u003c\/li\u003e \u003cli\u003eFor retrofits, pair with the existing wiring and bus configuration to maintain accurate protection and coordination with upstream and downstream devices.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46425631817890,"sku":"SJD69300","price":3038.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-sjd69300-circuit-breaker-300a-3-pole-545.webp?v=1789433791","url":"https:\/\/www.ampstate.com\/products\/siemens-sjd69300-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}