{"product_id":"westinghouse-br3100st-100a-3p-240v-circuit-breaker","title":"Westinghouse BR3100ST 100A 3P 240V Circuit Breaker, Type BR, Plug-On, Shunt Trip | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Westinghouse BR3100ST 100A 3P 240V Circuit Breaker delivers dependable, code-compliant protection in panelboards, load centers, and electrical distribution networks. Built for exact-fit replacements, this Type BR plug-on unit with a shunt trip expands safety and control options in demanding environments.\u003c\/p\u003e \u003ch3\u003eWhy choose the BR3100ST\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact part-number match\u003c\/strong\u003e for BR-series installations, minimizing downtime and compatibility concerns for maintenance teams, panel builders, and spare inventories.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePlug-On mounting\u003c\/strong\u003e for fast, secure installation without complex wiring adjustments in compatible panelboards and distribution panels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eShunt Trip capability\u003c\/strong\u003e enables remote or automated tripping for emergency shutoffs, interlock systems, or building automation integration—enhancing safety and control across your electrical distribution.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole design\u003c\/strong\u003e with a 100 A rating provides robust protection across all three phases in 240V systems, helping prevent damage from overloads and short circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application\u003c\/strong\u003e ideal for industrial floors, data centers, commercial facilities, and any installation requiring reliable 3-phase protection with remote trip readiness.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAvailable from AmpState\u003c\/strong\u003e to simplify procurement and stocking of critical spares.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat problems does it solve?\u003c\/h3\u003e\n\u003cp\u003eWhen your electrical distribution relies on rapid, predictable protection and safe remote control, the BR3100ST delivers. The shunt trip feature supports immediate isolation during safety incidents or automation events, reducing the risk of collateral damage and speeding down-time recovery. Its plug-on design simplifies field replacement, helping you maintain continuity without extensive rewiring. And because it’s a direct BR-series match, you’re securing a proven, compatible solution for your BR panelboards and load centers.\u003c\/p\u003e \u003ch3\u003eTechnical essentials\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Westinghouse\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e BR3100ST\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e BR\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 100 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Plug-On\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTrip feature:\u003c\/strong\u003e Shunt Trip (remote\/automatic tripping)\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWho is this best for?\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance teams and facilities managers who need reliable, exact-replacement BR-series breakers.\u003c\/li\u003e \u003cli\u003ePanel builders and electrical distributors seeking a ready-to-install 3P 240V solution with remote trip capability.\u003c\/li\u003e \u003cli\u003eAnyone maintaining spare inventory for critical electrical distribution systems where a direct part-number match matters.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eNeed help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46410891985058,"sku":"BR3100ST","price":1064.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_83963f7f-600e-419f-90c6-e7677089642b.png?v=1765492973","url":"https:\/\/www.ampstate.com\/products\/westinghouse-br3100st-100a-3p-240v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}