{"product_id":"westinghouse-12nc900-u-900a-600v","title":"WESTINGHOUSE 12NC900 U 900A 600V","description":"\u003ch3 data-section-id=\"17lc1ru\" data-start=\"0\" data-end=\"16\"\u003eDescription:\u003c\/h3\u003e\n\u003cp data-start=\"17\" data-end=\"676\"\u003eThe Westinghouse 12NC900 is a SELTRONIC fixed rating plug designed for use with Westinghouse NC-frame electronic trip molded case circuit breakers. This rating plug establishes a continuous current rating of 900 Amps and is used with SELTRONIC solid-state trip units to provide accurate overcurrent protection. It is commonly installed in industrial power distribution systems, switchgear, \u003ca href=\"https:\/\/plgautomation.com\/collections\/drives-motor-control\"\u003emotor control\u003c\/a\u003e centers, and commercial electrical installations requiring adjustable electronic trip protection. The 12NC900 is compatible with 1200A NC-frame breaker systems and is used to set the breaker's operating ampere rating.\u003c\/p\u003e\n\u003ch3 data-section-id=\"5ms9th\" data-start=\"0\" data-end=\"17\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"18\" data-end=\"749\"\u003eThe Westinghouse 12NC900 SELTRONIC rating plug is commonly used in industrial and commercial electrical distribution systems to establish a 900 Amp continuous current rating for compatible NC-frame electronic trip circuit breakers. It is installed in switchgear, motor control centers, power distribution panels, data centers, manufacturing facilities, utility systems, and large commercial buildings where adjustable electronic trip protection and high-capacity power distribution are required. The rating plug works with SELTRONIC electronic trip units to provide accurate overcurrent protection, feeder circuit protection, and system coordination within 600 VAC power distribution networks.\u003c\/p\u003e\n\u003ch3 data-section-id=\"5hg6bl\" data-start=\"678\" data-end=\"707\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"708\" data-end=\"1655\"\u003e• Manufacturer: Westinghouse Electric Corporation\u003cbr data-start=\"757\" data-end=\"760\"\u003e• Part Number: 12NC900\u003cbr data-start=\"782\" data-end=\"785\"\u003e• Product Type: Circuit Breaker Rating Plug\u003cbr data-start=\"828\" data-end=\"831\"\u003e• Series: SELTRONIC\u003cbr data-start=\"850\" data-end=\"853\"\u003e• Type: 12NC\u003cbr data-start=\"865\" data-end=\"868\"\u003e• Current Rating: 900 Amps\u003cbr data-start=\"894\" data-end=\"897\"\u003e• Voltage System Compatibility: Up to 600 VAC\u003cbr data-start=\"942\" data-end=\"945\"\u003e• Function: Sets breaker continuous current rating\u003cbr data-start=\"995\" data-end=\"998\"\u003e• Trip Unit Compatibility: SELTRONIC Electronic Trip Units\u003cbr data-start=\"1056\" data-end=\"1059\"\u003e• Compatible Breaker Frames: NC, NCA, NCG, NCGA, HNC, HNCA, HNCG, HNCGA\u003cbr data-start=\"1130\" data-end=\"1133\"\u003e• Compatible Breaker Size: 1200A Frame Breakers\u003cbr data-start=\"1180\" data-end=\"1183\"\u003e• Mounting Type: Plug-In Rating Element\u003cbr data-start=\"1222\" data-end=\"1225\"\u003e• Application: Electronic trip molded case circuit breakers\u003cbr data-start=\"1284\" data-end=\"1287\"\u003e• Installation Type: Internal trip unit accessory\u003cbr data-start=\"1336\" data-end=\"1339\"\u003e• Certification: UL Listed\u003cbr data-start=\"1365\" data-end=\"1368\"\u003e• Operating Environment: Industrial and commercial electrical applications\u003cbr data-start=\"1442\" data-end=\"1445\"\u003e• Intended Use: Breaker ampere rating calibration and protection setup\u003cbr data-start=\"1515\" data-end=\"1518\"\u003e• Status: Obsolete \/ discontinued manufacturer part, still available through aftermarket suppliers. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1cz0398\" data-start=\"1657\" data-end=\"1681\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"1682\" data-end=\"1889\"\u003e• Eaton 12NC900 SELTRONIC Rating Plug\u003cbr data-start=\"1719\" data-end=\"1722\"\u003e• Eaton Series C Electronic Trip Rating Plug (retrofit application)\u003cbr data-start=\"1789\" data-end=\"1792\"\u003e• Westinghouse \/ Cutler-Hammer 12NC Series 900A Rating Plug\u003c\/p\u003e","brand":"WESTINGHOUSE","offers":[{"title":"Used Surplus - Excellent Condition","offer_id":51732629389614,"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_2cab37c1-330b-4588-a5ff-943e8839bda4.jpg?v=1770600001","url":"https:\/\/plgautomation.com\/products\/westinghouse-12nc900-u-900a-600v","provider":"PLG Automation ","version":"1.0","type":"link"}