{"product_id":"nnx3b120-siemens-circuit-breaker-1200a-3-pole-480v-vl-series","title":"NNX3B120 | Siemens Circuit Breaker 1200A 3-Pole 480V VL Series","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-end=\"396\" data-start=\"144\"\u003eThe Siemens NNX3B120 is a molded case circuit breaker from the VL Series, rated at 1200 amps and 480 volts. It features a thermal-magnetic LI trip unit, a 35 kA interrupt rating, and a 3-pole bolted-on design for heavy-duty low-voltage protection.\u003c\/p\u003e\n\u003cp class=\"\" data-end=\"574\" data-start=\"284\"\u003e \u003c\/p\u003e\n\u003cp class=\"\" data-end=\"574\" data-start=\"284\"\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable style=\"width: 100%; height: 416.47px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 24.5938px;\"\u003e\n\u003ctd style=\"width: 30.0098%; height: 24.5938px;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.6266%; height: 24.5938px;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.0098%; height: 19.5938px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.6266%; height: 19.5938px;\"\u003eSiemens\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.0098%; height: 19.5938px;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.6266%; height: 19.5938px;\"\u003eCircuit Breakers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.0098%; height: 19.5938px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.6266%; height: 19.5938px;\"\u003eNNX3B120\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.0098%; height: 19.5938px;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.6266%; height: 19.5938px;\"\u003eMolded Case\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.0098%; height: 19.5938px;\"\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.6266%; height: 19.5938px;\"\u003eVL Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.0098%; height: 19.5938px;\"\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.6266%; height: 19.5938px;\"\u003eNG Frame\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.0098%; height: 19.5938px;\"\u003e\u003cstrong\u003eVoltage Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.6266%; height: 19.5938px;\"\u003e480 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.0098%; height: 19.5938px;\"\u003e\u003cstrong\u003eFrequency Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.6266%; height: 19.5938px;\"\u003e50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.0098%; height: 19.5938px;\"\u003e\u003cstrong\u003eAmperage Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.6266%; height: 19.5938px;\"\u003e1200 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.0098%; height: 19.5938px;\"\u003e\u003cstrong\u003ePoles\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.6266%; height: 19.5938px;\"\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.0098%; height: 19.5938px;\"\u003e\u003cstrong\u003ePhase\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.6266%; height: 19.5938px;\"\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.0098%; height: 19.5938px;\"\u003e\u003cstrong\u003eInterrupting Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.6266%; height: 19.5938px;\"\u003e35 kA @ 480V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.0098%; height: 19.5938px;\"\u003e\u003cstrong\u003eTrip Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.6266%; height: 19.5938px;\"\u003eLI \/ Thermal Magnetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.0098%; height: 19.5938px;\"\u003e\u003cstrong\u003eMounting Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.6266%; height: 19.5938px;\"\u003eBolted-On\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.0098%; height: 19.5938px;\"\u003e\u003cstrong\u003eTemperature Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.6266%; height: 19.5938px;\"\u003e40 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.0098%; height: 19.5938px;\"\u003e\u003cstrong\u003eGlobal Standards\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.6266%; height: 19.5938px;\"\u003eUL, CSA, NOM, IEC, CE, CCC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.0098%; height: 19.5938px;\"\u003e\u003cstrong\u003eCommunication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.6266%; height: 19.5938px;\"\u003ePROFIBUS DP \/ MODBUS RTU (with trip unit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.0098%; height: 19.5938px;\"\u003e\u003cstrong\u003eDimensions (H x W x D)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.6266%; height: 19.5938px;\"\u003e16 in x 9 in x 6.2 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.0098%; height: 19.5938px;\"\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.6266%; height: 19.5938px;\"\u003eLow voltage distribution systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.0098%; height: 19.5938px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.6266%; height: 19.5938px;\"\u003e35 lbs (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003e\u003cbr\u003e\u003c\/h4\u003e\n\u003ch4\u003eInformation About \u003cspan data-sheets-root=\"1\"\u003eNNX3B120\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp data-start=\"2112\" data-end=\"2738\"\u003eThe NNX3B120 is part of the Siemens VL Series, a globally recognized family of molded case circuit breakers designed for flexibility and reliability in low-voltage systems. Built on the NG frame, it supports three-phase, 1200A operation with a 35kA interrupt capacity at 480V. Its LI thermal-magnetic trip unit provides dependable long-time and instantaneous protection, ensuring safe operation under overload and fault conditions. Compact dimensions and bolted-on mounting simplify installation, while adherence to major global standards allows use in diverse industrial and commercial applications.\u003c\/p\u003e\n\u003cp data-start=\"2740\" data-end=\"2759\"\u003e\u003cstrong data-start=\"2740\" data-end=\"2757\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2760\" data-end=\"3698\"\u003e\n\u003cli data-start=\"2760\" data-end=\"2855\"\u003e\n\u003cp data-start=\"2762\" data-end=\"2855\"\u003eHigh Current Rating: 1200A continuous duty supports large-scale power distribution systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2856\" data-end=\"2948\"\u003e\n\u003cp data-start=\"2858\" data-end=\"2948\"\u003eVoltage Capacity: Operates at 480 VAC with three-phase compatibility for industrial use.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2949\" data-end=\"3030\"\u003e\n\u003cp data-start=\"2951\" data-end=\"3030\"\u003eInterrupting Rating: 35kA at 480V provides strong fault-clearing performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3031\" data-end=\"3140\"\u003e\n\u003cp data-start=\"3033\" data-end=\"3140\"\u003eTrip Type: LI thermal-magnetic unit offers long-time overload and instantaneous short-circuit protection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3141\" data-end=\"3241\"\u003e\n\u003cp data-start=\"3143\" data-end=\"3241\"\u003eModular VL Series Design: Compact footprint saves space and reduces overall system requirements.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3242\" data-end=\"3352\"\u003e\n\u003cp data-start=\"3244\" data-end=\"3352\"\u003eGlobal Standards Compliance: UL, CSA, NOM, IEC, CE, and CCC certifications for international applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3353\" data-end=\"3450\"\u003e\n\u003cp data-start=\"3355\" data-end=\"3450\"\u003eCommunication Ready: PROFIBUS DP and MODBUS RTU options available with electronic trip units.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3451\" data-end=\"3540\"\u003e\n\u003cp data-start=\"3453\" data-end=\"3540\"\u003eMounting: Bolted-on connection ensures secure installation in demanding environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3541\" data-end=\"3620\"\u003e\n\u003cp data-start=\"3543\" data-end=\"3620\"\u003eDurability: Tested to twice UL endurance requirements for high reliability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3621\" data-end=\"3698\"\u003e\n\u003cp data-start=\"3623\" data-end=\"3698\"\u003eDimensions: Measures 16 x 9 x 6.2 inches for efficient panel integration.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3700\" data-end=\"3886\"\u003eThe NNX3B120 delivers the reliability and precision required for global low-voltage power distribution, combining high capacity, robust construction, and flexible system compatibility.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":49105223123200,"sku":"NNX3B120","price":24988.53,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/nnx3b120_783643498266_v1_r01_c01_700x_5331244e-e621-406c-9871-e0ffe31bf712.jpg?v=1785542914","url":"https:\/\/alotechparts.com\/products\/nnx3b120-siemens-circuit-breaker-1200a-3-pole-480v-vl-series","provider":"Alo Tech Solutions","version":"1.0","type":"link"}