{"product_id":"square-d-ejb36090-90a-600v-3-pole-bolt-on-circuit-breaker","title":"Square D EJB36090 - 90 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D EJB36090—a 3-pole, bolt-on molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters. With a 90A rating and a 600V capacity, it’s built to handle demanding electrical systems across residential, commercial, and light industrial environments.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e provides a rigid, vibration‑resistant bus connection that stays tight through the life of the installation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection by combining thermal overload sensing with magnetic short-circuit interruption, reducing nuisance trips and safeguarding connected equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible design\u003c\/strong\u003e is engineered to drop into matching Square D load centers and panelboards, simplifying replacement, maintenance, and long-term serviceability.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole construction\u003c\/strong\u003e ensures synchronized protection across all phases, essential for balanced 3‑phase distribution networks.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal use scenarios:\u003c\/p\u003e \u003cul\u003e \u003cli\u003ePanelboard or loadcenter installations requiring reliable protection on circuits up to 90A and up to 600V.\u003c\/li\u003e \u003cli\u003eResidential, commercial, and light industrial applications where a robust, vibration‑resistant connection is important for performance and longevity.\u003c\/li\u003e \u003cli\u003eNew builds or retrofit projects that benefit from a bolt-on MCCB that aligns with OEM components for consistent, predictable operation.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical considerations for installation:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eMatch the amperage (90A) and voltage (600V) ratings to your system specifications to ensure correct trip behavior.\u003c\/li\u003e \u003cli\u003eConfirm bolt-on mounting compatibility with your panelboard chassis and secure the breaker properly to maintain a solid, durable connection.\u003c\/li\u003e \u003cli\u003eUse the EJB36090 as part of a comprehensive protection strategy for branch circuits that require reliable interruption during overloads or short circuits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eFrom AmpState, you get a trusted Square D solution that blends mechanical robustness with precise protection characteristics. The EJB36090 is designed to support reliable, long-term performance in real-world electrical networks, giving installers and facility managers confidence in their protection strategy.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355215024290,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/schnieder_and_square_d_breaker_and_panel_5b7b384d-0e2f-4293-9bca-5a61f4fa3005.png?v=1764690412","url":"https:\/\/www.ampstate.com\/products\/square-d-ejb36090-90a-600v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}