{"product_id":"siemens-b390h-90a-3p-240v-circuit-breaker","title":"Siemens B390H 90A 3P 240V Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Siemens B390H 90A 3P 240V Circuit Breaker — a purpose-built overcurrent protector designed for panelboards, load centers, and electrical distribution. This 3-pole breaker is ideal for replacement projects where you need to preserve the BOM and keep the original part number intact, ensuring a seamless retrofit with your existing Siemens infrastructure.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number\u003c\/strong\u003e: B390H\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmperage\u003c\/strong\u003e: 90 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoles\u003c\/strong\u003e: 3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage\u003c\/strong\u003e: 240 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType\u003c\/strong\u003e: Circuit Breaker\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplications\u003c\/strong\u003e: Panelboards, load centers, electrical distribution\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest for\u003c\/strong\u003e: Replacement projects and stocking spares to maintain BOM alignment with the original part number\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy choose the B390H in your electrical protection strategy? This Siemens breaker slots into standard Siemens panel configurations without modification, reducing installation time and the risk of fit issues. By stocking the exact B390H part, you minimize downtime during maintenance and ensure consistent performance across your three-phase circuits.\u003c\/p\u003e \u003cp\u003ePractical use cases\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRetrofit or upgrade of existing Siemens panels that require a 90 A, 3-pole, 240 V protector\u003c\/li\u003e\n\u003cli\u003eEmergency spare in critical facilities to maintain continuity of service\u003c\/li\u003e\n\u003cli\u003eStocking the BOM to stay aligned with the original equipment specification\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eSupport and compatibility\u003c\/p\u003e\n\u003cp\u003eNeed help matching a part number or confirming compatibility with your panel? Message us and we’ll help you confirm the fit. This item is available from AmpState, designed to ship quickly to keep your project on track.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46410916823202,"sku":"B390H","price":769.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_83963f7f-600e-419f-90c6-e7677089642b.png?v=1765492973","url":"https:\/\/www.ampstate.com\/products\/siemens-b390h-90a-3p-240v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}