{"product_id":"siemens-ngb3b045bnav-brkr-ngb-45a-3p-480y-25k-ld-lug-nav","title":"SIEMENS NGB3B045BNAV BRKR NGB 45A 3P 480Y 25K LD LUG NAV","description":"\u003ch2\u003eSIEMENS NGB3B045BNAV Molded Case Circuit Breaker\u003c\/h2\u003e\n\n\u003cp\u003eThe Siemens NGB3B045BNAV is a 3-pole molded case circuit breaker designed for panelboard and switchboard applications. It provides reliable protection for electrical distribution systems by interrupting overcurrent faults. This breaker is suitable for use in commercial and industrial electrical distributor environments, offering robust performance for lighting solutions, wire and cable protection, and as part of switchgear assemblies.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eManufacturer: Siemens\u003c\/li\u003e\n  \u003cli\u003eManufacturer Part #: NGB3B045BNAV\u003c\/li\u003e\n  \u003cli\u003eNumber of Poles: 3\u003c\/li\u003e\n  \u003cli\u003eContinuous Current Rating: 45 Amperes @ 40°C\u003c\/li\u003e\n  \u003cli\u003eInterrupting Rating: 25 kA at 480Y\/277V AC (UL 489)\u003c\/li\u003e\n  \u003cli\u003eVoltage Rating: 480Y\/277V AC\u003c\/li\u003e\n  \u003cli\u003eMounting Type: Panelboard Mount (NGB Frame)\u003c\/li\u003e\n  \u003cli\u003eProduct Weight: 5.027 lbs (approx. 2.28 kg)\u003c\/li\u003e\n  \u003cli\u003eWire Size Compatibility: #14–#6 AWG Copper, #12–#6 AWG Aluminum for 15–30A; #8–1\/0 AWG Copper, #8–2\/0 AWG Aluminum for 35–125A\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eThermal-magnetic trip unit providing standard overcurrent protection\u003c\/li\u003e\n  \u003cli\u003eLoad and line lugs included for standard copper\/aluminum wire termination\u003c\/li\u003e\n  \u003cli\u003eHACR rated for use with heating, air conditioning, and refrigeration equipment\u003c\/li\u003e\n  \u003cli\u003ePanelboard and switchboard compatibility with Siemens certified components\u003c\/li\u003e\n  \u003cli\u003eCompact 1-inch width per pole for space-efficient installations\u003c\/li\u003e\n  \u003cli\u003eDesigned for use with Siemens NGB panelboard mount systems\u003c\/li\u003e\n  \u003cli\u003eIncludes nut keeper kit (TNKG3) for secure wire termination (optional accessory)\u003c\/li\u003e\n  \u003cli\u003eInstallation instructions emphasize safety measures including power lockout and insulation requirements\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDownloads \u0026amp; Links\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/images.tradeservice.com\/5T4OF9MVXVJA4GL0\/ATTACHMENTS\/DIR100106\/SIEMEAE36815_5_4_5_5_5_101_E37021_7_33.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eSpec Sheet\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/images.tradeservice.com\/5T4OF9MVXVJA4GL0\/INSTALLATIONSHEETS\/DIR100004\/SIEMEAINST00174.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eSpec Sheet\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46097482678497,"sku":"396832","price":1929.38,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/9625\/4433\/files\/396832_image1_9caae1e2-8580-44b4-90e1-a94ef85387dd.jpg?v=1787824607","url":"https:\/\/ulegroup.com\/products\/siemens-ngb3b045bnav-brkr-ngb-45a-3p-480y-25k-ld-lug-nav","provider":"ULE Group","version":"1.0","type":"link"}