{"product_id":"eaton-chb390-90a-3p-240v-circuit-breaker","title":"Eaton CHB390 Circuit Breaker, 90A, 3-Pole, 240V","description":"\u003cdiv\u003e\n\u003cp\u003eThe Eaton CHB390 circuit breaker is built for rugged industrial electrical service, maintenance, and replacement projects. With a 3-pole design delivering 240V three‑phase protection, this 90A breaker helps safeguard essential equipment in demanding environments while simplifying panel maintenance.\u003c\/p\u003e \u003cp\u003ePart of Eaton’s 240 Volt CHB series, the CHB390 provides reliable overcurrent protection for distributed power in commercial and industrial settings. Its three-pole configuration ensures safe isolation of all phases, helping prevent fault propagation and enabling quicker service restoration in the field.\u003c\/p\u003e \u003ch3\u003eKey features and benefits\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e90 Amp, 3-pole, 240V\u003c\/strong\u003e specification designed for three-phase circuit protection\u003c\/li\u003e \u003cli\u003eEngineered for industrial service panels, routine maintenance, and replacement projects\u003c\/li\u003e \u003cli\u003eLaunched as part of the 240 Volt CHB series, ensuring seamless compatibility with Eaton CHB family components\u003c\/li\u003e \u003cli\u003ePart Number CHB390 for precise compatibility matching with your application\u003c\/li\u003e \u003cli\u003eDurable construction and straightforward installation to minimize downtime during panel servicing\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy this matters\u003c\/strong\u003e: In three-phase systems, precise protection at the distribution level helps contain faults, reduce equipment damage, and shorten outage times. The CHB390 is designed to integrate smoothly into Eaton’s CHB ecosystem, supporting reliable coordination with existing breakers and accessories.\u003c\/p\u003e \u003ch3\u003eUse cases and ideal users\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance teams handling industrial equipment, distribution panels, and service entrances\u003c\/li\u003e \u003cli\u003eElectrical contractors upgrading or replacing aging protection devices in CHB-based installations\u003c\/li\u003e \u003cli\u003eFacilities engineers seeking a dependable, ready-to-install 240V protection solution for 3‑phase loads\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and getting the right fit\u003c\/h3\u003e\n\u003cp\u003eBefore purchasing, verify compatibility by matching the part number CHB390 to your equipment catalog and application requirements. If you need help confirming fit or aligning it with your installation, our team is ready to assist—send us a message and we’ll help confirm compatibility by part number and application needs.\u003c\/p\u003e \u003ch3\u003eSpecifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e CHB390\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e 240 Volt CHB\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 90 A\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46416025911458,"sku":"CHB390","price":460.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_513d6710-3734-4b27-839d-f68e6f4b470a.png?v=1765492974","url":"https:\/\/www.ampstate.com\/products\/eaton-chb390-90a-3p-240v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}