{"product_id":"120-277volt","title":"Square D 120\/277VOLT - 20A, 1-Pole, Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eSquare D 120\/277V, 20A, 1-Pole Circuit Breaker is engineered to deliver dependable overcurrent protection for single-phase circuits in demanding environments. With a 20 amp current rating and a compact 1-pole design, this breaker is a versatile choice for panelboards, switchboards, and control panels where space and reliability matter.\u003c\/p\u003e \u003cp\u003eDesigned for industrial, commercial, and OEM applications, it provides precise interruption to protect your distribution panels and motor control centers from overloads and short circuits. The 120\/277V rating expands its utility across mixed-voltage installations, making it suitable for both traditional 120V branch circuits and 277V lighting circuits commonly found in commercial settings.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 20 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 1-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 120\/277 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBreaker type:\u003c\/strong\u003e Circuit Breaker\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eApplications and benefits\u003c\/h3\u003e\n\u003cp\u003eIn everyday operation, this breaker protects individual branch circuits within panelboards, switchboards, and control panels, helping prevent damage from overloads and faults. Its single-pole configuration offers flexible integration in compact or segmented panel layouts, supporting reliable protection without unnecessary footprint expansion. Ideal for commercial lighting, general-purpose outlets, and small motor loads within industrial facilities and OEM equipment enclosures.\u003c\/p\u003e \u003ch3\u003eWhy choose Square D for overcurrent protection\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eProven performance in distribution panels and motor control centers, backed by Square D’s engineering lineage.\u003c\/li\u003e \u003cli\u003eCompact, 1-pole design that simplifies panel planning and replacement in crowded electrical spaces.\u003c\/li\u003e \u003cli\u003eClear, targeted protection for single-phase circuits, reducing risk of nuisance trips and safeguarding critical equipment in busy environments.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether you’re outfitting new equipment or upgrading an aging panel, the Square D 120\/277V, 20A, 1-Pole Circuit Breaker delivers precise, reliable protection where it’s needed most—across industrial, commercial, and OEM applications.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default","offer_id":46390623436962,"sku":"120\/277VOLT","price":127.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/circuit_breaker_generic_1b7d69fd-fe2e-446d-ab37-2a6bd734103f.png?v=1765378371","url":"https:\/\/www.ampstate.com\/products\/120-277volt","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}