{"product_id":"square-d-pga36120u31a-circuit-breaker","title":"Square D | PGA36120U31A | Circuit Breaker | 31A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eSquare D PGA36120U31A Circuit Breaker is a precise, three-pole protective device designed for maintenance, retrofit, and replacement projects where exact specifications matter. With a 31 A rating and a 600 V capacity, this breaker integrates smoothly with Square D panels, preserving protection characteristics and panel coordination for reliable long-term performance.\u003c\/p\u003e \u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 31 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart reference:\u003c\/strong\u003e PGA36120U31A — the primary compatibility reference\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eImportant: Confirm fit and ratings before ordering. Use PGA36120U31A as the best reference for compatibility with your equipment and panel schedule.\u003c\/p\u003e \u003ch2\u003eWhy this Square D breaker stands out\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePrecise fit for matching specs:\u003c\/strong\u003e A 31 A, 3-Pole, 600 V design tailored to slot into compatible Square D distribution panels and switchgear without modification.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliable 3-phase protection:\u003c\/strong\u003e Safeguards three live conductors simultaneously, ideal for 3-phase motors and load centers in industrial and commercial settings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSeamless retrofit and replacement:\u003c\/strong\u003e A straightforward upgrade or replacement option that maintains panel coordination and trip characteristics.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear compatibility reference:\u003c\/strong\u003e The PGA36120U31A part number serves as a definitive cross-check across inventories and documentation.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eIdeal use cases\u003c\/h2\u003e\n\u003cp\u003eThis 31 A, 3-pole, 600 V circuit breaker is well-suited for:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMaintenance of existing Square D panels and distribution systems requiring a 31 A, 3-pole protection at 600 V.\u003c\/li\u003e \u003cli\u003eRetrofit projects where a direct 3-phase, 600 V protective device is needed to match original equipment specifications.\u003c\/li\u003e \u003cli\u003eReplacement of aging breakers in industrial control panels, machine rooms, or commercial electrical rooms that operate on three-phase power.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePractical considerations\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eVerify the panel rating and bus configuration to ensure full compatibility with PGA36120U31A before purchase.\u003c\/li\u003e \u003cli\u003eKeep the part number handy as the most reliable reference for cross-checking with your documentation.\u003c\/li\u003e \u003cli\u003eFollow your panel manufacturer guidelines for installation and clamping practices to ensure secure electrical contact.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoosing Square D PGA36120U31A means aligning with a trusted protection solution that supports consistent electrical protection across your three-phase system, minimizes downtime during replacements, and preserves your system’s protective strategy.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426297008290,"sku":"PGA36120U31A","price":188998.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a085eff1-75dd-47ee-b131-4c8df8f0489b.png?v=1765492976","url":"https:\/\/www.ampstate.com\/products\/square-d-pga36120u31a-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}