{"product_id":"qo3301021","title":"Square D QO3301021 - 30A, 3-Pole, Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSquare D QO3301021\u003c\/strong\u003e is a 30A, 3-Pole circuit breaker engineered for dependable overcurrent protection in demanding electrical systems.\u003c\/p\u003e \u003cp\u003eWith a 3-Pole configuration, this unit interrupts all three phases in a three-phase circuit, delivering controlled and safe operation across panelboards, switchboards, and control panels. It’s ideal for industrial, commercial, and OEM applications where reliable protection is critical for distribution panels and motor control centers.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 30 amps\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBreaker type:\u003c\/strong\u003e Circuit Breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIdeal for:\u003c\/strong\u003e Industrial, commercial, and OEM environments requiring dependable overcurrent protection\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePrimary use cases:\u003c\/strong\u003e Distribution panels and motor control centers\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this matters: in a three-phase setup, a 30A, 3-pole breaker provides immediate fault interruption to protect wiring, motors, and drives from overloads and short circuits, helping minimize downtime and equipment damage. The 3-pole design ensures all phases are monitored and protected consistently, reducing the risk of imbalanced loads and unnecessary wear on components.\u003c\/p\u003e \u003cp\u003ePractical scenarios:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eProtect motors and feeders in motor control centers within manufacturing facilities\u003c\/li\u003e \u003cli\u003eProvide reliable branch-circuit protection in commercial electrical rooms\u003c\/li\u003e \u003cli\u003eUpgrade aging panelboards that require certified 30A, 3-pole protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDesigned to support safe, continuous operation in critical systems, the Square D QO3301021 delivers precise protection where uptime matters most. It aligns with standard distribution practices and offers robust protection for demanding industrial, commercial, and OEM applications.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default","offer_id":46390528901282,"sku":"QO3301021","price":670.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/circuit_breaker_generic_7dccf107-2975-44e2-b8a1-bca3f6a9ec20.png?v=1765376806","url":"https:\/\/www.ampstate.com\/products\/qo3301021","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}