{"product_id":"siemens-ngb2b040bnav-brkr-ngb-40a-2p-480y-25k-ld-lug-nav","title":"SIEMENS NGB2B040BNAV BRKR NGB 40A 2P 480Y 25K LD LUG NAV","description":"\u003ch2\u003eSIEMENS NGB2B040BNAV Breaker 40A 2P Molded Case Circuit Breaker\u003c\/h2\u003e\n\n\u003cp\u003eThe SIEMENS NGB2B040BNAV is a 2-pole molded case circuit breaker designed for panelboard and switchboard applications. It is intended for use with Siemens certified components, making it suitable for electrical distributors and switchgear suppliers requiring reliable protection solutions. This breaker supports 40 amps continuous current rating and is compatible with 480Y voltage systems, providing robust circuit protection in commercial and industrial electrical installations.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eManufacturer: Siemens\u003c\/li\u003e\n  \u003cli\u003eManufacturer Part #: NGB2B040BNAV\u003c\/li\u003e\n  \u003cli\u003eNumber of Poles: 2\u003c\/li\u003e\n  \u003cli\u003eContinuous Current Rating: 40 Amps @ 40°C\u003c\/li\u003e\n  \u003cli\u003eVoltage Rating: 480Y\u003c\/li\u003e\n  \u003cli\u003eInterrupting Rating: 25 kA (UL\/CSA RMS Symmetrical Amperes)\u003c\/li\u003e\n  \u003cli\u003eProduct Weight: 2.7560 lbs\u003c\/li\u003e\n  \u003cli\u003eWire Size Compatibility: #14–#6 AWG Copper, #12–#6 AWG Aluminum (60\/75°C wire)\u003c\/li\u003e\n  \u003cli\u003eMounting: Panelboard Mount\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eThermal-magnetic trip unit for standard protection\u003c\/li\u003e\n  \u003cli\u003eLoad and line lugs included as standard for easy installation\u003c\/li\u003e\n  \u003cli\u003eHACR rated for HVAC applications\u003c\/li\u003e\n  \u003cli\u003eCompatible with Siemens NGB series panelboards and switchboards\u003c\/li\u003e\n  \u003cli\u003eInsulation requirements: Minimum dielectric strength of 600 V\/mil when mounted on metal surfaces\u003c\/li\u003e\n  \u003cli\u003eTorque specifications for line terminal screws: 18–23 lb-in (2–2.6 N-m)\u003c\/li\u003e\n  \u003cli\u003eSupports copper and aluminum conductors with specified torque and wire size ranges\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":46098856411361,"sku":"396821","price":1479.91,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/9625\/4433\/files\/396821_image1_3fcaf49f-35cc-4619-8b6d-f66a8b773007.jpg?v=1787831181","url":"https:\/\/ulegroup.com\/products\/siemens-ngb2b040bnav-brkr-ngb-40a-2p-480y-25k-ld-lug-nav","provider":"ULE Group","version":"1.0","type":"link"}