{"product_id":"square-d-kh36090-90a-3-pole-plug-in-circuit-breaker","title":"Square D KH36090 - 90 A, 3-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Square D KH36090 — a 90 A, 3-pole plug-in molded case circuit breaker designed to protect your panelboards and loadcenters from overcurrent and short circuits with precision and speed. Built for dependable, repeatable protection, this device is ready to streamline installation and maintenance in a variety of settings.\u003c\/p\u003e \u003ch3\u003eWhy this breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFast plug-in connection\u003c\/strong\u003e: Quick installation and effortless replacement means less downtime during panel upgrades or service calls.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e: Combines thermal and magnetic sensing to deliver stable, repeatable protection for both gradual overloads and immediate short faults.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole, 90 A design\u003c\/strong\u003e: Ideal for balanced three-phase circuits and higher-demand branch circuits found in commercial and light industrial applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMolded-case reliability\u003c\/strong\u003e: Solid construction that stands up to demanding electrical environments while protecting critical load centers.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible installation\u003c\/strong\u003e: Designed to be compatible with matching Square D OEM loadcenters and panelboards for seamless integration.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat it protects and where it fits\u003c\/h3\u003e\n\u003cp\u003eThe KH36090 provides reliable branch circuit overcurrent and short-circuit protection, safeguarding wiring and connected equipment in residential, commercial, and light industrial settings. Its plug-in mounting simplifies upgrades, replacements, or panel consolidations without the need for extensive rewiring.\u003c\/p\u003e \u003ch3\u003eIdeal use scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacing aging breakers in existing Square D panelboards to restore protective performance and ease of maintenance.\u003c\/li\u003e \u003cli\u003eUpgrading service panels in small offices, storefronts, or workshops that require robust 3-phase protection.\u003c\/li\u003e \u003cli\u003eIntegrating into new or retrofit projects where fast installation and dependable trip behavior are essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eSpecification snapshot\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: KH36090\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\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 \u003cp\u003eChoose the Square D KH36090 for a dependable, fast-to-install protection solution that aligns with your existing loadcenters and panelboards. Its precise thermal-magnetic protection and plug-in design reduce downtime and help keep critical electrical systems running smoothly. For projects where reliability and quick service are paramount, this 90 A, 3-pole plug-in breaker is a purpose-built fit for success.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355313098914,"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_8716ce88-9a60-4cec-be15-10474cda22e3.png?v=1764691222","url":"https:\/\/www.ampstate.com\/products\/square-d-kh36090-90a-3-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}