{"product_id":"westinghouse-nsb-fb3045smrl-molded-case-breakers-mccbs","title":"Westinghouse NSB FB3045SMRL Molded Case Breakers (MCCBs)","description":"\u003ch3 data-section-id=\"17lc1ru\" data-start=\"0\" data-end=\"16\"\u003eDescription:\u003c\/h3\u003e\n\u003cp data-start=\"17\" data-end=\"526\"\u003eThe Westinghouse NSB FB3045SMRL \u003ca href=\"https:\/\/plgautomation.com\/collections\/power-supplies-protection\"\u003eMolded Case Breaker\u003c\/a\u003e is a molded case circuit breaker used in industrial electrical distribution and branch circuit protection systems. Commonly installed in motor control centers, switchboards, industrial automation panels, and manufacturing equipment requiring reliable three-phase overcurrent protection. Maintenance teams, OEMs, and electrical integrators use this breaker for replacement, retrofit upgrades, and maintenance of existing industrial electrical infrastructure.\u003c\/p\u003e\n\u003ch3 data-section-id=\"5ms9th\" data-start=\"528\" data-end=\"545\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"546\" data-end=\"1003\"\u003eThe Westinghouse FB3045SMRL molded case breaker is commonly used in industrial and commercial electrical systems where dependable branch circuit protection is required for medium-amperage three-phase equipment and connected power systems. It is suitable for motor control systems, conveyor equipment, HVAC infrastructure, automation machinery, industrial processing systems, and electrical distribution panels operating in demanding industrial environments.\u003c\/p\u003e\n\u003ch3 data-section-id=\"5hg6bl\" data-start=\"1005\" data-end=\"1034\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"1035\" data-end=\"1662\"\u003e• Brand: Westinghouse\u003cbr data-start=\"1056\" data-end=\"1059\"\u003e• Part Number: FB3045SMRL\u003cbr data-start=\"1084\" data-end=\"1087\"\u003e• Product Type: Molded Case Circuit Breaker (MCCB)\u003cbr data-start=\"1137\" data-end=\"1140\"\u003e• Breaker Series: FB Frame\u003cbr data-start=\"1166\" data-end=\"1169\"\u003e• Current Rating: 45 Amp\u003cbr data-start=\"1193\" data-end=\"1196\"\u003e• Number of Poles: 3 Pole\u003cbr data-start=\"1221\" data-end=\"1224\"\u003e• Protection Type: Thermal Magnetic\u003cbr data-start=\"1259\" data-end=\"1262\"\u003e• Application: Branch circuit and equipment protection\u003cbr data-start=\"1316\" data-end=\"1319\" data-is-only-node=\"\"\u003e• Mounting Style: Panel or switchboard mounted\u003cbr data-start=\"1365\" data-end=\"1368\"\u003e• Function: Overcurrent and short-circuit protection\u003cbr data-start=\"1420\" data-end=\"1423\"\u003e• Industrial Use: Power distribution and motor control systems\u003cbr data-start=\"1485\" data-end=\"1488\"\u003e• Phase Compatibility: 3 Phase\u003cbr data-start=\"1518\" data-end=\"1521\"\u003e• Frequency Rating: 50\/60 Hz\u003cbr data-start=\"1549\" data-end=\"1552\"\u003e• Typical Installation: MCCs, switchgear, industrial control panels\u003cbr data-start=\"1619\" data-end=\"1622\"\u003e• Condition Notes: NSB (New Surplus Box)\u003c\/p\u003e\n\u003ch3 data-section-id=\"1cz0398\" data-start=\"1664\" data-end=\"1688\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"1689\" data-end=\"1743\"\u003e• Eaton FB3045\u003cbr data-start=\"1703\" data-end=\"1706\"\u003e• Siemens HFB3045\u003cbr data-start=\"1723\" data-end=\"1726\"\u003e• Square D FA3445\u003c\/p\u003e","brand":"Westinghouse","offers":[{"title":"New","offer_id":51732186104110,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Ebay_website_image_b5214d7e-f49e-4aa7-9132-8a8d5eea514c.jpg?v=1770598698","url":"https:\/\/plgautomation.com\/products\/westinghouse-nsb-fb3045smrl-molded-case-breakers-mccbs","provider":"PLG Automation ","version":"1.0","type":"link"}