{"product_id":"siemens-hgb3b090b-90a-600v-3-pole-bolt-on-circuit-breaker","title":"Siemens HGB3B090B - 90 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens HGB3B090B is a rugged 3-pole, 90A molded case circuit breaker designed to deliver dependable overcurrent and short-circuit protection right where you need it—in panelboards and load centers across residential, commercial, and light industrial settings. Built to handle real-world electrical demands, this bolt-on unit combines precise protection with straightforward installation for fast, reliable service upgrades and new installs.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eBolt-on mounting for a rigid, vibration-resistant bus connection\u003c\/strong\u003e: engineered to stay secure under normal equipment vibration, reducing the risk of loose connections and arcing over time.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e: provides stable, repeatable protection by responding to both overloads and short circuits with accurate trip performance, helping minimize nuisance trips while safeguarding circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible with matching Siemens load centers\u003c\/strong\u003e: designed to work seamlessly with the corresponding panelboards and load centers, making retrofits and new installations smoother and more reliable.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBroad application range\u003c\/strong\u003e: suitable for residential service upgrades, commercial electrical rooms, and light industrial distribution where dependable branch-circuit protection is essential.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic molded case construction\u003c\/strong\u003e: compact yet robust, offering consistent performance in varied temperatures and environments while delivering dependable protection for your electrical system.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhat problems does the HGB3B090B solve? It provides targeted, reliable protection for branch circuits against overloads and short circuits, helping prevent equipment damage, downtime, and electrical fires. The bolt-on design ensures a solid bus connection that resists vibration-related wear, while the thermal-magnetic trip unit delivers precise interruption when thresholds are exceeded. For facility managers and electricians, this means fewer trips, easier maintenance, and a safer, more predictable electrical distribution network.\u003c\/p\u003e \u003ch3\u003eKey specifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e HGB3B090B\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 3\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\u003eWho is this ideal for? Electricians and facility engineers seeking a dependable, code-consistent protection device for panel upgrades, service box refurbishments, or new installations in spaces where 90 A circuits at up to 600 V are common. Its compatibility with Siemens OEM panels also makes it a practical choice for projects that require cohesive component matching and streamlined approvals.\u003c\/p\u003e \u003cp\u003ePractical tips for best results: pair the HGB3B090B with matching Siemens panel components to ensure optimal trip characteristics and protection coordination. Use it in circuits where a stable, repeatable thermal-magnetic response is essential, and where mounting stability is a priority to minimize long-term maintenance concerns.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349806600354,"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_fc5cf2e7-7c03-44a8-b4fa-a74cafd51ecb.png?v=1764157354","url":"https:\/\/www.ampstate.com\/products\/siemens-hgb3b090b-90a-600v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}