{"product_id":"square-d-rjf36100u31a","title":"Square D RJF36100U31A 31A 3-Pole 600 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D RJF36100U31A, a dependable circuit breaker designed for three‑phase power. This unit delivers reliable overcurrent protection with a 31 A rating, housed in a 3‑pole configuration for balanced, safe operation on 600 V systems. Identified by part number RJF36100U31A, it’s a precise choice for anyone sourcing a legitimate Square D replacement that you can trust in demanding electrical environments.\u003c\/p\u003e \u003ch2\u003eWhy this 3‑pole, 31 A breaker stands out\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree‑pole, three‑phase protection:\u003c\/strong\u003e ensures all phases trip together, reducing the risk of motor damage from phase imbalance or single‑phase faults.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e31 A current rating:\u003c\/strong\u003e ample protection for mid‑range motors, conveyors, pumps, and other equipment without unnecessary trips during normal operation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600 V maximum voltage:\u003c\/strong\u003e suitable for standard commercial and light industrial distribution networks, giving you flexibility across installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDirect compatibility with Square D panels and RJF series installations:\u003c\/strong\u003e simplifies replacement and upgrades, helping you minimize downtime.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear part identification:\u003c\/strong\u003e RJF36100U31A provides a precise, traceable reference for ordering and maintenance, ensuring you’re always stocked with the right component.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cp\u003eThis 3‑pole 31 A circuit breaker is well suited for protecting three‑phase motors, fans, pumps, and processing equipment in commercial and light industrial settings. It can serve as a reliable main or feeder breaker in Square D panel boards and compatible RJF installations, helping to safeguard critical machinery and keep systems running smoothly.\u003c\/p\u003e \u003ch3\u003ePractical installation and operation tips\u003c\/h3\u003e\n\u003cp\u003eFor best results, verify compatibility with your Square D panel system and ensure the load does not exceed the 31 A rating. When replacing an existing unit, match the RJF36100U31A to the corresponding RJF family variant to maintain consistent protection characteristics. As with all electrical work, follow proper de‑energization procedures, comply with local electrical codes, and secure all connections with the manufacturer's recommended torque.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423097770146,"sku":"RJF36100U31A","price":35551.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-rjf36100u31a-31a-3-pole-600-v-circuit-breaker-308.webp?v=1789269372","url":"https:\/\/www.ampstate.com\/products\/square-d-rjf36100u31a","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}