{"product_id":"nf631020r-circuit-breaker","title":"NF631020R | Circuit Breaker | 20A | 3-Pole | 600V | 18kA","description":"\u003cdiv\u003e\n\u003cp\u003eIn industrial electrical systems, dependable circuit protection is essential. The NF631020R is a purpose-built solution for maintenance, retrofit, and replacement projects where exact specifications matter, delivering reliable three-phase protection when it’s needed most.\u003c\/p\u003e \u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage\u003c\/strong\u003e: 20 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\u003eInterrupting capacity\u003c\/strong\u003e: 18 kA\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy the NF631020R stands out\u003c\/h2\u003e\n\u003cp\u003eThis 3-pole breaker is built for environments where reliability matters. It protects three‑phase circuits from overloads and short circuits while accommodating higher fault currents up to 18 kiloamps. The 20 A rating makes it ideal for protecting moderately sized branch circuits or motor feeders in manufacturing floors, processing lines, and heavy equipment setups. The 600 V rating supports standard industrial distribution systems, helping maintain safety margins and coordination with upstream protection devices.\u003c\/p\u003e \u003ch2\u003eIdeal use cases\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eMaintenance and service replacements in panels that specify NF631020R or equivalent 3-pole, 600 V devices\u003c\/li\u003e \u003cli\u003eRetrofits to upgrade aging protection with a modern 18 kA interrupting capacity\u003c\/li\u003e \u003cli\u003eProtection of three-phase motor circuits, conveyors, pumps, and machine feeds in industrial settings\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePractical considerations and installation tips\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eAlways confirm fit and ratings before ordering. The part number NF631020R is the most reliable reference for compatibility.\u003c\/li\u003e \u003cli\u003eCheck panel labeling to ensure support for a 3-pole, 600 V, 18 kA device and verify bus stab alignment with your enclosure.\u003c\/li\u003e \u003cli\u003eWhen replacing an existing breaker, verify the trip curve and mounting style match your panel’s requirements to maintain coordinated protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eHow this compares to alternatives\u003c\/h2\u003e\n\u003cp\u003eUnlike generic 3-pole breakers, the NF631020R is designed for 600 V systems with an 18 kA interrupting capacity, delivering robust protection for high fault currents. This translates to greater protection for equipment and reduced risk of arc faults in busy production lines, alongside reliable performance in demanding industrial environments.\u003c\/p\u003e \u003ch2\u003eSpecification at a glance\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePart number:\u003c\/strong\u003e NF631020R • \u003cstrong\u003eAmperage:\u003c\/strong\u003e 20 A • \u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole • \u003cstrong\u003eVoltage:\u003c\/strong\u003e 600 V • \u003cstrong\u003eInterrupting rating:\u003c\/strong\u003e 18 kA\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46424364253346,"sku":"NF631020R","price":310.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/nf631020r-circuit-breaker-20a-3-pole-600v-18ka-787.webp?v=1789344662","url":"https:\/\/www.ampstate.com\/products\/nf631020r-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}