{"product_id":"nn631090-circuit-breaker","title":"NN631090 | Circuit Breaker | 90A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eNN631090\u003c\/strong\u003e is an industrial-grade circuit breaker built for demanding electrical environments where reliable protection and quick, coordinated shutdown of three-phase power are essential. With a 90A rating, a 3-Pole design, and a 600V operating capability, this breaker is ready to safeguard motors, pumps, conveyors, and other heavy-duty equipment in industrial settings.\u003c\/p\u003e \u003cp\u003eKey specifications at a glance:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 90 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole (three-phase protection)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIntended use:\u003c\/strong\u003e maintenance, retrofit, and replacement in compatible panels\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility reference:\u003c\/strong\u003e Part number NN631090 is the best reference for ensuring a correct fit\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy a 3-Pole design matters in real-world systems\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eThree-phase protection ensures all phases disconnect together during a fault, preventing phase imbalance and reducing the risk of equipment damage or arc events.\u003c\/li\u003e \u003cli\u003eSuitable for mid-to-high load industrial circuits that run on 600V systems, offering consistent interrupting performance across the entire three-phase network.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical use cases and benefits\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eRetrofit projects in aging industrial panels where a 3-Pole, 90A, 600V breaker is the correct match for current wiring and bus configuration\u003c\/li\u003e \u003cli\u003eMaintenance replacements to minimize downtime and maintain safety standards in manufacturing lines, HVAC systems, and processing equipment\u003c\/li\u003e \u003cli\u003eNew installations in compatible equipment where a robust, industrial-grade protection device is required\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eHow to verify fit and ensure optimal performance\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eCompare your panel’s busbar configuration and mounting style with the NN631090 requirements\u003c\/li\u003e \u003cli\u003eConfirm the circuit’s current and voltage needs align with 90 A and 600 V ratings\u003c\/li\u003e \u003cli\u003eUse NN631090 as the primary reference for compatibility to avoid mismatches during replacement or retrofit\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhen you’re upgrading or replacing a critical protection device, the NN631090 circuit breaker provides a clear path to safer, more reliable operation in industrial power systems. For best results, double-check fit and ratings before ordering to ensure a seamless retrofit that keeps your equipment protected and your downtime minimal.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46426234257570,"sku":"NN631090","price":2010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/nn631090-circuit-breaker-90a-3-pole-600v-178.webp?v=1789539649","url":"https:\/\/www.ampstate.com\/products\/nn631090-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}