{"product_id":"square-d-pgl36120u31a-1200a-600v-3-pole-circuit-breaker","title":"Square D PGL36120U31 A - 1200 A, 600 V, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Square D PGL36120U31A 1200A, 600V, 3-pole molded case circuit breaker — a purpose-built solution for reliable branch circuit protection in panelboards and load centers. Designed to handle demanding electrical environments, this unit delivers precise overcurrent and short-circuit protection when you need it most.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSpace-efficient molded case design\u003c\/strong\u003e optimizes panel footprint, helping you fit more protection without compromising accessibility or reliability.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection performance across varying loads and ambient conditions, reducing nuisance trips while guarding against dangerous faults.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole configuration\u003c\/strong\u003e for dependable 3-phase protection, ideal for modern commercial and light industrial circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600V rating\u003c\/strong\u003e supports safe operation across a wide range of panelboard and loadcenter voltages used in many commercial and industrial installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e1200A amperage rating\u003c\/strong\u003e delivers robust protection for high-load circuits, making it suitable for larger feeders and critical branch circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility\u003c\/strong\u003e designed to pair with matching Square D OEM load centers and panelboards, ensuring a seamless, code-compliant install with existing equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications\u003c\/strong\u003e appropriate for residential, commercial, and light industrial settings where dependable protection is essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy this breaker stands out\u003c\/strong\u003e in crowded panels or retrofit projects is its combination of high current capability, compact form, and precise protection behavior. The thermal-magnetic trip mechanism reacts quickly to short circuits while coordinating with normal overcurrent loads, helping protect wiring, devices, and downstream equipment from damage and unnecessary downtime.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eUse cases and scenarios\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eUpgrading or replacing protection in large residential service panels or multi‑load centers where space is at a premium.\u003c\/li\u003e \u003cli\u003eFeeder protection for commercial electrical rooms with heavy electrical demand and 3‑phase circuits.\u003c\/li\u003e \u003cli\u003eRetrofits in light industrial facilities that require robust, code-compliant 3‑pole protection for critical equipment.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eTechnical snapshot\u003c\/strong\u003e: \u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Square D\u003c\/li\u003e \u003cli\u003ePart Number: PGL36120U31A\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage Rating: 1200A\u003c\/li\u003e \u003cli\u003eVoltage Rating: 600V\u003c\/li\u003e \u003cli\u003eNumber of Poles: 3\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e \u003c\/ul\u003e\n \u003cp\u003eWhether you’re building out a new panel configuration, upgrading a legacy installation, or replacing a failed breaker, the Square D PGL36120U31A delivers reliable protection with a design that respects space and installation practicality. Pair it with compatible Square D panelboards to maintain system integrity, simplify maintenance, and keep critical circuits protected with confidence.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355355009186,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/schnieder_and_square_d_breaker_and_panel_9553ba2e-113b-436d-bf76-651a9f4f3254.png?v=1764691500","url":"https:\/\/www.ampstate.com\/products\/square-d-pgl36120u31a-1200a-600v-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}