{"product_id":"eaton-ch3090st-90a-480v-3-pole-bolt-on-circuit-breaker","title":"Eaton CH3090ST - 90 A, 480 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Eaton CH3090ST is a rugged 90A, 480V, 3-pole bolt-on molded case circuit breaker designed to protect your panelboards and loadcenters from overcurrent and short-circuit events. Built for dependable, long-term performance in residential, commercial, and light industrial environments, this MCCB combines solid mechanical mounting with precise electrical protection to keep your electrical system safe and reliable.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e delivers a rigid, vibration-resistant connection to the bus, reducing the risk of loose contacts and ensuring consistent performance even in active electrical environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection by combining overload (thermal) and short-circuit (magnetic) response, helping minimize nuisance trips and equipment damage during fault events.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole, 480V design\u003c\/strong\u003e ideal for three-phase circuits common in commercial spaces, industrial equipment, and large HVAC or motor-driven applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible installation\u003c\/strong\u003e engineered to pair with matching OEM loadcenters and panelboards for a seamless, code-compliant upgrade or replacement.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application range\u003c\/strong\u003e suitable for a variety of settings—from home electrical panels to light commercial installations and small-scale industrial panels—providing reliable protection where it matters most.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eTechnical snapshot\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Eaton\u003c\/li\u003e \u003cli\u003ePart Number: CH3090ST\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker (MCCB)\u003c\/li\u003e \u003cli\u003eAmperage Rating: 90 A\u003c\/li\u003e \u003cli\u003eVoltage Rating: 480 V\u003c\/li\u003e \u003cli\u003eNumber of Poles: 3\u003c\/li\u003e \u003cli\u003eMounting Style: Bolt-on\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit overcurrent and short-circuit protection in panelboards and loadcenters\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eProtect 3-phase feeders for commercial lighting, HVAC equipment, and small industrial machinery.\u003c\/li\u003e \u003cli\u003eReplace or upgrade panelboard protection in retrofit projects where OEM compatibility matters.\u003c\/li\u003e \u003cli\u003eProvide reliable motor circuit protection for compressors, fans, pumps, and conveyors in light commercial settings.\u003c\/li\u003e \u003cli\u003eInstall in residential multi-unit or service panels that require robust three-phase protection at 480V where applicable.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoosing the Eaton CH3090ST means prioritizing dependable protection with a proven mounting approach, precise thermal-magnetic tripping, and OEM-ready compatibility. It’s built to stay engaged under real-world conditions, delivering predictable performance when it counts—protecting people, property, and equipment in today’s busy electrical environments.\u003c\/p\u003e \u003cp\u003eReady to upgrade your panel with a trusted, 3-pole 480V solution? The CH3090ST from Eaton, available through AmpState, brings durable protection and straightforward installation to your electrical system.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349519224994,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/eaton_breaker_and_panels_ef4e006c-8d42-4239-ac00-bfe762137ba5.png?v=1764148655","url":"https:\/\/www.ampstate.com\/products\/eaton-ch3090st-90a-480v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}