{"product_id":"square-d-pll34120-circuit-breaker","title":"Square D | PLL34120 | Circuit Breaker | 1200A | 3-Pole | 480V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D PLL34120 Circuit Breaker—the rugged, high-capacity protection device designed for demanding 3-phase power systems. With a 1200A rating, 3-pole configuration, and 480V operation, this breaker is built to guard heavy-duty electrical feeds in industrial environments. Specifically suited for maintenance, retrofit, and replacement projects where exact specifications matter, PLL34120 is a genuine Square D component you can trust.\u003c\/p\u003e \u003ch3\u003eKey specifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAmperage: 1200A\u003c\/li\u003e \u003cli\u003ePoles: 3-Pole\u003c\/li\u003e \u003cli\u003eVoltage: 480V\u003c\/li\u003e \u003cli\u003eBrand and part reference: Square D PLL34120\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this PLL34120 stands out\u003c\/h3\u003e\n\u003cp\u003eIn high-demand installations, consistent, coordinated protection across all three phases is essential. The PLL34120 delivers precise trip characteristics for 480V three-phase circuits, helping to minimize downtime and protect valuable equipment. As a genuine Square D part, it carries the brand’s legacy of durable mechanical operation, reliable contact performance, and long-term protection for your distribution panels and MCCs. This isn’t a generic drop-in part—it’s a purpose-built solution designed to align with your existing Square D infrastructure and protection scheme.\u003c\/p\u003e \u003ch3\u003eIdeal applications and use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eIndustrial motor feeders and motor control centers operating on 480V three-phase systems\u003c\/li\u003e \u003cli\u003eReplacement or retrofit in panels and distribution boards that require 1200A, 3-pole protection\u003c\/li\u003e \u003cli\u003eSpare-part stock for facilities with PLL-series Square D equipment to ensure quick maintenance cycles\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eFitment, compatibility, and practical tips\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e Confirm fit and ratings before ordering. The part number PLL34120 is the best reference for compatibility with your panel and 480V, 3-pole configuration.\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eCross-check your panel labeling and service manual to ensure the PLL34120 matches the frame and bus arrangement of your Square D system.\u003c\/li\u003e \u003cli\u003ePlan maintenance with a spare PLL34120 on hand to reduce downtime during scheduled outages.\u003c\/li\u003e \u003cli\u003eHandle with standard electrical safety practices—de-energize the circuit, verify absence of voltage, and use appropriate PPE during installation or replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46424374214818,"sku":"PLL34120","price":29115.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-pll34120-circuit-breaker-1200a-3-pole-480v-130.webp?v=1789346334","url":"https:\/\/www.ampstate.com\/products\/square-d-pll34120-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}