{"product_id":"siemens-hgb2b090b-90a-600v-2-pole-bolt-on-circuit-breaker","title":"Siemens HGB2B090B - 90 A, 600 V, 2-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Siemens HGB2B090B — a 90 A, 600 V, 2-pole bolt-on molded case circuit breaker designed to deliver reliable branch-circuit overcurrent and short-circuit protection in panelboards and load centers. Sold through AmpState, this device combines rugged construction with precise protection to keep electrical systems safer and more dependable.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e: a rigid connection to the bus minimizes vibration and movement, reducing the risk of loose contacts and intermittent trips in demanding environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e: delivers stable, repeatable protection with a two-stage response — the thermal element handles gradual overloads with a controlled time delay, while the magnetic element responds instantly to high-energy short circuits for rapid interruption.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDesigned for Siemens OEM compatibility\u003c\/strong\u003e: specifically engineered to work with matching Siemens load centers and panelboards, ensuring proper fit, reliable trip coordination, and streamlined replacement in existing installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application\u003c\/strong\u003e: ideal for residential panels, commercial distribution boards, and light industrial applications where dependable protection and straightforward installation are required.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhat problems does this solve? When panel wiring carries sustained loads or experiences a fault, the HGB2B090B activates precisely where needed, preventing damage to conductors and equipment, reducing fire risk, and enabling safe, code-compliant shutoff during fault conditions. Its 2-pole design ensures simultaneous interruption of both hot conductors, preserving system integrity and personal safety during faults.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey specifications at a glance\u003c\/strong\u003e:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e HGB2B090B\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage Rating:\u003c\/strong\u003e 90 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 2\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting Style:\u003c\/strong\u003e Bolt-on\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical tips for optimal use: verify panelboard compatibility with the Siemens OEM lineup, follow manufacturer torque recommendations during bolt-on installation to maintain a solid bus connection, and pair this breaker with corresponding Siemens devices to ensure coordinated protection across the distribution system.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349806076066,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens_breaker_and_panel_8e23f5e8-c5ed-4761-a1ec-64b50b28fda4.png?v=1764157334","url":"https:\/\/www.ampstate.com\/products\/siemens-hgb2b090b-90a-600v-2-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}