{"product_id":"square-d-bja36090-90a-600v-3-pole-plug-in-circuit-breaker","title":"Square D BJA36090 - 90 A, 600 V, 3-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D BJA36090 is a 90A, 600V, 3-pole plug-in molded case circuit breaker designed to protect your panelboards and load centers from overloads and short circuits with precision and ease. Built for dependable performance in real-world electrical environments, this unit delivers fast installation, reliable protection, and seamless compatibility with the equipment you already rely on.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFast plug-in connection:\u003c\/strong\u003e Quick, tool-efficient installation and effortless replacement when service is required, minimizing downtime on busy panels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit:\u003c\/strong\u003e Combines thermal overload protection with instantaneous magnetic tripping for stable, repeatable response to both gradual overcurrent and sudden short circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM panel compatibility:\u003c\/strong\u003e Engineered to be compatible with matching Square D OEM load centers and panelboards, helping maintain proper listing and system reliability.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole, 600V design:\u003c\/strong\u003e Ideal for 3-phase distribution in commercial and light industrial settings, supporting feeder protection and branch circuits in higher voltage applications.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Square D\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e BJA36090\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 90A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600V\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 Plug-in\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 \u003ch3\u003eIdeal use scenarios\u003c\/h3\u003e\n\u003cp\u003eDesigned for residential, commercial, and light industrial applications, the BJA36090 is well-suited for panelboards and load centers that require reliable plug-in breakers. Use it to protect feeders and individual branch circuits in multi-family dwellings, small-to-medium commercial spaces, and light manufacturing environments where 3-phase power is present and uptime matters. Its compatibility with matching OEM panels helps maintain system integrity and simplifies future maintenance or panel upgrades.\u003c\/p\u003e \u003ch3\u003eWhy this breaker matters\u003c\/h3\u003e\n\u003cp\u003eWhen you’re choosing protection for a 3-phase distribution system, consistency and speed matter. The BJA36090’s plug-in design reduces installation time and potential connection issues, while the thermal-magnetic trip unit provides dependable coordination between overcurrent events and short-circuit conditions. This means fewer nuisance trips for normal loads and faster responses when protection is needed most.\u003c\/p\u003e \u003ch3\u003ePractical tips for use\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify your panel is designed to accept plug-in molded-case breakers of the BJA series and that the BJA36090 matches the system’s voltage and phase configuration.\u003c\/li\u003e \u003cli\u003ePair with other compatible Square D devices to maintain system-wide protection performance and listing status.\u003c\/li\u003e \u003cli\u003eHave a licensed electrician perform installation or replacement to ensure proper torque, alignment, and code compliance.\u003c\/li\u003e \u003cli\u003eKeep a spare unit on hand for quick replacement in mission-critical panels to minimize downtime.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355182878882,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-bja36090-90-a-600-v-3-pole-plug-in-circuit-breaker-917.webp?v=1788739437","url":"https:\/\/www.ampstate.com\/products\/square-d-bja36090-90a-600v-3-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}