{"product_id":"nxb-63dz47-63","title":"GE NXB-63DZ47-63 - 40A, 2-Pole, Miniature Circuit Breaker (MCB)","description":"\u003cdiv\u003e\n\u003cp\u003eThe GE NXB-63DZ47-63 is a rugged 40A, 2-pole miniature circuit breaker (MCB) built for dependable overcurrent protection in demanding electrical environments. With a two-pole design, it ensures both conductors disconnect together, increasing safety and simplifying maintenance in any distribution setup.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 40A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBreaker type:\u003c\/strong\u003e Miniature Circuit Breaker (MCB)\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this 2-Pole MCB stands out\u003c\/h3\u003e\n\u003cp\u003eDesigned for reliability in panelboards, switchboards, and control panels, the GE NXB-63DZ47-63 delivers robust protection against overcurrent events. Its thermal-magnetic trip mechanism responds quickly to overloads and short circuits, helping to prevent damage to motors, wiring, and downstream equipment. This makes it especially suitable for environments where uninterrupted operation and quick fault isolation are critical.\u003c\/p\u003e \u003ch3\u003eIdeal for who and where\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eIndustrial facilities seeking durable, field-proven overcurrent protection for power distribution and motor control centers.\u003c\/li\u003e \u003cli\u003eCommercial buildings requiring safe, code-compliant protection for feeder circuits and panelboard setups.\u003c\/li\u003e \u003cli\u003eOEM applications where a dependable, 2-pole MCB is needed to safeguard equipment and simplify control wiring.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eProtecting feeders that supply critical equipment in distribution panels and MCCs.\u003c\/li\u003e \u003cli\u003eProviding reliable protection for dual-hot 240V circuits where a simultaneous disconnect improves safety during service and maintenance.\u003c\/li\u003e \u003cli\u003eReplacing aging or incompatible breakers in retrofit projects to maintain consistent protection profiles.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTips for installation and longevity\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify compatibility with your panelboard or control panel and ensure correct voltage and conductor ratings.\u003c\/li\u003e \u003cli\u003ePeriodically inspect for signs of wear, overheating, or corrosion; replace after a fault trip to restore full protection readiness.\u003c\/li\u003e \u003cli\u003eDocument trip history to identify recurring faults and plan preventive maintenance or system adjustments accordingly.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eFor engineers, technicians, and electricians, the GE NXB-63DZ47-63 40A 2-Pole MCB is a precise, reliable choice for safeguarding electrical distribution and motor control systems without compromising on safety or performance.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"GE","offers":[{"title":"Default","offer_id":46390633431202,"sku":"NXB-63DZ47-63","price":67.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/ge-nxb-63dz47-63-40a-2-pole-miniature-circuit-breaker-mcb-865.webp?v=1788897707","url":"https:\/\/www.ampstate.com\/products\/nxb-63dz47-63","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}