{"id":1193,"date":"2024-03-13T14:15:19","date_gmt":"2024-03-13T06:15:19","guid":{"rendered":"http:\/\/www.sovinelec.com\/?p=1193"},"modified":"2026-08-20T22:45:34","modified_gmt":"2026-08-20T14:45:34","slug":"iec60947-2-ul489-standard-ndb2t-63-3p","status":"publish","type":"post","link":"https:\/\/www.sovinelec.com\/es\/2024\/03\/13\/iec60947-2-ul489-standard-ndb2t-63-3p\/","title":{"rendered":"Norma IEC 60947-2, UL 489, NDB2T-63, 3 polos"},"content":{"rendered":"\n
\n Available Certifications<\/span>\n UL<\/strong>\n Availability depends on model and configuration.<\/small>\n<\/div>\n\n\n
\"\"<\/figure>\n\n\n\n

Key Specifications\/ Special Features:<\/h3>\n\n\n\n

Applicable scope and purpose<\/strong><\/p>\n\n\n\n

\u25cf Short -circuit protection<\/p>\n\n\n\n

\u25cf Over-load protection<\/p>\n\n\n\n

\u25cf Control<\/p>\n\n\n\n

\u25cf Isolation<\/p>\n\n\n\n

\u25cf DC system protection<\/p>\n\n\n\n

NDB2T-63 (UL489), destinado al sistema de distribuci\u00f3n el\u00e9ctrica de baja tensi\u00f3n en entornos industriales, edificios, comunicaciones energ\u00e9ticas e infraestructuras.<\/p>\n\n\n\n

Main technical specification<\/p>\n\n\n\n

\u25cf Electrical parameters<\/p>\n\n\n\n

\u25cb Rated working voltage and relevant breaking capacity:<\/p>\n\n\n\n

Pole<\/td>1P<\/td>2P<\/td>3P<\/td>1P<\/td>2P<\/td>3P<\/td><\/tr>
Rating current<\/td>1~32A<\/td>35~63A<\/td><\/tr>
Item<\/td>Icu<\/td><\/tr>
Voltage<\/td>AC 120V<\/td>10kA<\/td>\u2014<\/td>\u2014<\/td>10kA<\/td>\u2014<\/td>\u2014<\/td><\/tr>
AC 240V<\/td>\u2014<\/td>10kA<\/td>10kA<\/td>\u2014<\/td>10kA<\/td>10kA<\/td><\/tr>
AC 277V<\/td>10kA<\/td>\u2014<\/td>\u2014<\/td>\u2014<\/td>\u2014<\/td>\u2014<\/td><\/tr>
AC 480Y\/277V<\/td>\u2014<\/td>10kA<\/td>10kA<\/td>\u2014<\/td>\u2014<\/td>\u2014<\/td><\/tr>
DC60V<\/td>10kA<\/td>10kA<\/td>\u2014<\/td>10kA<\/td>10kA<\/td>\u2014<\/td><\/tr>
DC125V<\/td>\u2014<\/td>10kA<\/td>\u2014<\/td>\u2014<\/td>10kA<\/td>\u2014<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u25cb Impulse withstand test voltages: 4kV<\/p>\n\n\n\n

\u25cb electrical endurance: 10000 times\uff1bMechanical endurance: 20000 times<\/p>\n\n\n\n

\u25cf  Product certification and implementation standard.\uff1a<\/p>\n\n\n\n

\u25cb Product certificate\uff1aUL489;<\/p>\n\n\n\n

\u25cb Product certification standard\uff1aUL489;<\/p>\n\n\n\n

\u25cf  Environmental requirements\uff1aRoHS<\/p>\n\n\n\n

\u25cf  Isolation function<\/p>\n\n\n\n

\u25cb Practical breaking instructions<\/p>\n\n\n\n

\u25cb View window within the green identification said contact in the off position<\/p>\n\n\n\n

\u25cf  Tripping characteristic B type curve<\/p>\n\n\n\n

\u25cb   Protection of short circuit current small load<\/p>\n\n\n\n

\u25cb   rated current\uff1a1A\uff5e63A<\/p>\n\n\n\n

\u25cb   tripping characteristic\uff1aThe instantaneous tripping range 4In\uff081\u00b120%\uff09 C type curve<\/p>\n\n\n\n

\u25cb  Protect normal load and distribution wire cable<\/p>\n\n\n\n

\u25cb   rated current\uff1a1A\uff5e63A<\/p>\n\n\n\n

\u25cb   tripping characteristic\uff1aThe instantaneous tripping range 8In\uff081\u00b120%\uff09 D type curve<\/p>\n\n\n\n

\u25cb   Protect starting current big impact load\uff08Such as motor, transformer\uff09<\/p>\n\n\n\n

\u25cb   rated current\uff1a1A\uff5e63A<\/p>\n\n\n\n

\u25cb   tripping characteristic\uff1aThe instantaneous tripping rang 12In\uff081\u00b120%\uff09<\/p>\n\n\n\n

5\u3001Normal working environment<\/p>\n\n\n\n

\u25cf Ambient temperature\uff1a-40\u2103\uff5e+70\u2103<\/p>\n\n\n\n

\u25cf Air relative humidity\uff1a\u226495%<\/p>\n\n\n\n

\u25cf Altitude\uff1a\u22642000m<\/p>\n\n\n\n

\u25cf pollution degree: 3<\/p>\n\n\n\n

\u25cf Service place without significant vibration and impact<\/p>\n\n\n\n

\u25cf Lower capacity coefflcient table above 2000 meters above sealevel<\/p>\n\n\n\n

\"\"\/<\/figure>\n\n\n\n

\u25cf Side-by-side volume reduction coefflcient table<\/p>\n\n\n\n

\"\"\/<\/figure>\n\n\n\n

6.  Tripping characteristic<\/p>\n\n\n\n

\"\"\/<\/figure>\n\n\n\n

7\u3001Outline dimensions<\/p>\n\n\n\n

\"\"\/<\/figure>\n\n\n\n

                                                                   3P<\/p>\n\n\n\n

8\u3001Mounting<\/p>\n\n\n\n

Modular construction\uff0ccan be installed in EN60715 TH 35mm x 7.5mm standard guide rail.<\/p>\n\n\n\n

9\u3001Connect line requirements<\/p>\n\n\n\n

\u25cb    Standard cross-sections of round copper conductors: 1~35mm2<\/sup><\/p>\n\n\n\n

\u25cb  Terminal screw: M5 ,Rated torque : 2.0N.m<\/p>\n\n\n\n

11 \u3001 Notice<\/p>\n\n\n\n

1\u3001Customers who disassemble the product without approval shall undertake relevant quality problems by themselves;<\/p>\n\n\n\n

2\u3001Do not touch the naked part of conductive components when the product is power on;<\/p>\n\n\n\n

3\u3001Don’t test characteristics of the breaker optionally, the manufacturer is irresponsible for such quality problems;<\/p>\n\n\n\n

4\u3001Keep wiring correct to prevent malfunction or damage of wiring terminals.<\/p>\n\n\n\n

5\u3001Please open the cover when installing the accessory. Please refer to OF2, SD2, MX+OF2 Instruction for details.<\/p>","protected":false},"excerpt":{"rendered":"

Available Certifications UL Availability depends on mod […]<\/p>\n","protected":false},"author":1,"featured_media":1227,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"themepark_post_bcolor":"#f5f5f5","themepark_post_width":"1022px","themepark_post_img":"","themepark_post_img_po":"left","themepark_post_img_re":false,"themepark_post_img_cover":false,"themepark_post_img_fixed":false,"themepark_post_hide_title":false,"themepark_post_main_b":"","themepark_post_main_p":100,"themepark_paddingblock":false,"_geo_short_summary":"","_geo_structured_desc":"","_geo_faqs":"","_geo_key_points":"","_geo_target_audience":"","_geo_content_type":"","_geo_last_modified":"","_geo_version":0,"themepark_seo_title":"","themepark_seo_description":"NDB2T-63(UL489)dedicated to the low voltage power distribution system of industrial, buildings, energy communications and infrastructure.","footnotes":""},"categories":[5,19,8],"tags":[],"class_list":["post-1193","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-znxx","category-new-energy-product","category-zdshj"],"metadata":{"_edit_lock":["1710310521:1"],"_edit_last":["1"],"themepark_seo_description":["NDB2T-63(UL489)dedicated to the low voltage power distribution system of industrial, buildings, energy communications and infrastructure."],"themepark_seo_keyword":["UL489, MCB, Circuit Breaker"],"catce":["sidebar-widgets4"],"_thumbnail_id":["1227"],"views":["1131"]},"medium_url":"https:\/\/www.sovinelec.com\/wp-content\/uploads\/2024\/05\/IEC60947-2-UL489-Standard-NDB2T-63-3P-300x300.jpg","thumbnail_url":"https:\/\/www.sovinelec.com\/wp-content\/uploads\/2024\/05\/IEC60947-2-UL489-Standard-NDB2T-63-3P-150x150.jpg","full_url":"https:\/\/www.sovinelec.com\/wp-content\/uploads\/2024\/05\/IEC60947-2-UL489-Standard-NDB2T-63-3P.jpg","_links":{"self":[{"href":"https:\/\/www.sovinelec.com\/es\/wp-json\/wp\/v2\/posts\/1193","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sovinelec.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sovinelec.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sovinelec.com\/es\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sovinelec.com\/es\/wp-json\/wp\/v2\/comments?post=1193"}],"version-history":[{"count":2,"href":"https:\/\/www.sovinelec.com\/es\/wp-json\/wp\/v2\/posts\/1193\/revisions"}],"predecessor-version":[{"id":1706,"href":"https:\/\/www.sovinelec.com\/es\/wp-json\/wp\/v2\/posts\/1193\/revisions\/1706"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.sovinelec.com\/es\/wp-json\/wp\/v2\/media\/1227"}],"wp:attachment":[{"href":"https:\/\/www.sovinelec.com\/es\/wp-json\/wp\/v2\/media?parent=1193"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sovinelec.com\/es\/wp-json\/wp\/v2\/categories?post=1193"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sovinelec.com\/es\/wp-json\/wp\/v2\/tags?post=1193"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}