{"product_id":"lj-1220","title":"Westinghouse LJ-1220 - 20A, 277VAC, Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eThe Westinghouse LJ-1220 is a purpose-built 20A, 277VAC circuit breaker designed to safeguard electrical systems in demanding environments. With a reliable 20-amp current rating and a high 277V maximum, it delivers fast, predictable protection for distribution circuits, helping prevent insulation damage, equipment wear, and unexpected outages.\u003c\/p\u003e \u003cp\u003eWhere it shines\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePanelboards, switchboards, and control panels:\u003c\/strong\u003e A robust choice for centralized power distribution in commercial and industrial facilities.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM equipment:\u003c\/strong\u003e Integrate into manufactured gear and machinery where dependable overcurrent protection is essential.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMotor control centers and distribution centers:\u003c\/strong\u003e Ideal for protecting circuits that drive motors and critical control systems in busy environments.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this model stands out\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSpecific rating for 277VAC systems:\u003c\/strong\u003e Designed to handle typical commercial\/industrial distribution voltages, reducing nuisance trips and enhancing system reliability.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTrusted Westinghouse reliability:\u003c\/strong\u003e Built for long-term performance in environments where safety and uptime matter.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompact, compatible design:\u003c\/strong\u003e Suited for standard panel enclosures and OEM layouts without requiring special mounting adapters.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eKey specifications at a glance\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 20A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 277VAC\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBreaker type:\u003c\/strong\u003e Circuit Breaker (Westinghouse LJ-1220)\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWho should consider the Westinghouse LJ-1220\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eElectrical engineers and panel builders designing or refurbishing distribution panels and motor control centers.\u003c\/li\u003e \u003cli\u003eFacilities managers overseeing commercial or light-industrial electrical systems requiring solid overcurrent protection.\u003c\/li\u003e \u003cli\u003eOEM integrators seeking a dependable, standard-spec circuit breaker for equipment housing and control architectures.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical usage tips\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMatch the LJ-1220 to 277VAC circuits in your panel or OEM assembly to ensure compatible bus and mounting arrangements.\u003c\/li\u003e \u003cli\u003ePlan for future maintenance by stocking a few spare LJ-1220 units to minimize downtime in critical panels.\u003c\/li\u003e \u003cli\u003eInstall in accordance with applicable electrical codes and your panel manufacturer’s guidelines to maintain safe operation and reliable protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIn short, the Westinghouse LJ-1220 brings targeted 277VAC protection to commercial, industrial, and OEM applications, delivering precise 20A protection where it matters most—keeping power on track and equipment safeguarded in distribution panels and motor control centers.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Westinghouse","offers":[{"title":"Default","offer_id":46390931980450,"sku":"LJ-1220","price":186.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/circuit_breaker_generic_405d5d9b-d5c3-427c-9f1d-c2acdb223a60.png?v=1765380829","url":"https:\/\/www.ampstate.com\/products\/lj-1220","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}