{"product_id":"siemens-ngb3b090-circuit-breaker","title":"Siemens | NGB3B090 | Circuit Breaker | 90A | 3-Pole | 600V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens \u003cstrong\u003eNGB3B090\u003c\/strong\u003e circuit breaker—a robust, \u003cstrong\u003ethree-pole\u003c\/strong\u003e protection device built for demanding, \u003cstrong\u003ethree-phase\u003c\/strong\u003e power systems. With a \u003cstrong\u003e90A\u003c\/strong\u003e rating and a \u003cstrong\u003e600V\u003c\/strong\u003e maximum, this \u003cstrong\u003ebolt-on\u003c\/strong\u003e breaker is designed for secure mounting in compatible panels, making it an ideal choice for maintenance, retrofit, and replacement projects where exact specifications matter.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e NGB3B090\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 90A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole (three-phase)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Bolt-On\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this matters\u003c\/h3\u003e\n\u003cp\u003eIn electrical rooms and equipment enclosures, a precise, bolt-on Siemens circuit breaker like the NGB3B090 provides dependable fault isolation for all three phases. The 3-pole configuration helps maintain balanced protection across the system, while the 600V rating accommodates demanding commercial or light industrial applications. This is especially beneficial during panel retrofits or service upgrades where matching legacy specs is critical.\u003c\/p\u003e \u003ch3\u003eCompatibility and installation tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eBest reference for compatibility:\u003c\/strong\u003e the part number NGB3B090. Always verify fit and ratings against your panel’s specifications before ordering.\u003c\/li\u003e \u003cli\u003eDesigned for \u003cstrong\u003ebolt-on\u003c\/strong\u003e mounting in compatible Siemens panels and enclosures.\u003c\/li\u003e \u003cli\u003eEnsure proper mounting hardware and enclosure support to maintain secure seating and reliable trip performance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal for\u003c\/h3\u003e\n\u003cp\u003eElectrical contractors, facility managers, and maintenance technicians who need a precise, reliable 3-pole protection device for 3-phase systems up to 600V will find the NGB3B090 well-suited for retrofit, replacement, or new installations where Siemens compatibility is required.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427473674402,"sku":"NGB3B090","price":1297.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-ngb3b090-circuit-breaker-90a-3-pole-600v-bolt-804.webp?v=1789728016","url":"https:\/\/www.ampstate.com\/products\/siemens-ngb3b090-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}