{"product_id":"b1h2d3","title":"Noark B1H2D3 - 3A, 277VAC, Miniature Circuit Breaker (MCB)","description":"\u003cdiv\u003e\n\u003cp\u003eThe Noark B1H2D3 is a compact 3A miniature circuit breaker designed to protect circuits operating at 277VAC. Built for reliability in demanding environments, this MCB provides precise overcurrent protection for panelboards, switchboards, control panels, and OEM equipment, helping you maintain uptime in everyday operations.\u003c\/p\u003e \u003cp\u003eEngineered for industrial and commercial use, the B1H2D3 delivers fast, predictable interruption when overloads or faults occur. Its thermal-magnetic trip mechanism ensures sensitive protection for delicate loads while resisting nuisance trips on normal startup, making it a practical choice for distribution panels and motor control centers.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 3A\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 Miniature Circuit Breaker (MCB)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSuitable for:\u003c\/strong\u003e panelboards, switchboards, control panels, and OEM equipment\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIdeal applications:\u003c\/strong\u003e industrial, commercial, and OEM contexts where dependable overcurrent protection and safe operation in distribution panels and motor control centers are essential\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy it matters: selecting the Noark B1H2D3 means pairing your electrical system with a trusted protection device that is purpose-built for 277VAC networks. It helps prevent damage to wiring, relays, motors, and downstream devices while reducing downtime caused by electrical faults. For upgrades or new builds, this 3A MCB provides a precise, dependable solution that integrates smoothly into standard distribution architectures.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eSpecification snapshot\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 3A\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 Miniature Circuit Breaker (MCB)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e panelboards, switchboards, control panels, and OEM equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Noark","offers":[{"title":"Default","offer_id":46390954524834,"sku":"B1H2D3","price":54.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/circuit_breaker_generic_de5fd5fa-c145-4915-83d0-36a7b4ac6849.png?v=1765381031","url":"https:\/\/www.ampstate.com\/products\/b1h2d3","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}