{"id":2842,"date":"2023-04-20T10:38:56","date_gmt":"2023-04-20T02:38:56","guid":{"rendered":"https:\/\/www.wolunelectric.com\/?post_type=product&#038;p=2842"},"modified":"2026-05-18T15:16:52","modified_gmt":"2026-05-18T07:16:52","slug":"lzzbj9-24-180b-2-%e3%80%81-lzzbj9-24-180b-4-current-transformer","status":"publish","type":"product","link":"https:\/\/www.wolunelectric.com\/pt\/product\/lzzbj9-24-180b-2-%e3%80%81-lzzbj9-24-180b-4-current-transformer\/","title":{"rendered":"LZZBJ9-24-180b\/2 \u3001 Transformador de corrente LZZBJ9-24-180b\/4"},"content":{"rendered":"<h2>Introdu\u00e7\u00e3o<\/h2>\n<p>LZZBJ9-24-180b\/2 and LZZBJ9-24-180b\/4 are indoor epoxy resin cast current transformers designed for 24kV medium voltage power systems. These current transformers are widely used for current measurement, electric energy metering and relay protection in indoor switchgear, substations and power distribution systems.<\/p>\n<p>The transformers adopt high-quality epoxy resin vacuum casting insulation with excellent dielectric strength, compact structure, stable performance and long service life. They are suitable for frequency 50Hz\/60Hz AC systems with rated voltage up to 24kV.<\/p>\n<p>&nbsp;<\/p>\n<h2>Recursos do produto<\/h2>\n<ul data-spread=\"false\">\n<li>High quality epoxy resin cast insulation<\/li>\n<li>Excellent dynamic and thermal stability<\/li>\n<li>Accurate current measurement and protection performance<\/li>\n<li>Compact structure for switchgear installation<\/li>\n<li>Maintenance-free operation<\/li>\n<li>Flame retardant and moisture resistant<\/li>\n<li>Suitable for indoor medium voltage applications<\/li>\n<li>Complies with IEC and GB standards<\/li>\n<li><\/li>\n<\/ul>\n<h2><strong>Dados t\u00e9cnicos<\/strong><\/h2>\n<p>- N\u00edvel de isolamento nominal: 24\/65\/125kV<br \/>\n- Corrente secund\u00e1ria nominal: 5A ou 1A<br \/>\n- Tens\u00e3o suport\u00e1vel de frequ\u00eancia de energia: 17,5kV, 24kV<br \/>\n- Frequ\u00eancia nominal: 50\/60Hz<br \/>\n- Temperatura ambiente: -5\u00b0C ~+40\u00b0C<br \/>\n- Altitude: \u22641000m<br \/>\n-Padr\u00e3o: IEC 60044-1, GB1208-200<\/p>\n<p>&nbsp;<\/p>\n<h2><strong>Especifica\u00e7\u00e3o<\/strong><\/h2>\n<h3>LZZBJ9-24\/180b\/2<\/h3>\n<table>\n<tbody>\n<tr>\n<td rowspan=\"3\" width=\"67\">Transformador nominal<\/p>\n<p>Propor\u00e7\u00e3o(A)<\/td>\n<td rowspan=\"3\" width=\"96\">Combina\u00e7\u00e3o de classes de precis\u00e3o secund\u00e1ria<\/td>\n<td colspan=\"3\" width=\"157\">Sa\u00edda nominal<\/p>\n<p>(VA)<\/td>\n<td rowspan=\"3\" width=\"87\">Medi\u00e7\u00e3o do fator de seguran\u00e7a do instrumento atual<\/td>\n<td rowspan=\"3\" width=\"74\">Fator de limite de precis\u00e3o da corrente de prote\u00e7\u00e3o<\/td>\n<td rowspan=\"3\" width=\"74\">Corrente t\u00e9rmica nominal de curta dura\u00e7\u00e3o (kA\/S)<\/td>\n<td rowspan=\"3\" width=\"64\">Corrente din\u00e2mica nominal (kA)<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\" width=\"84\">Medi\u00e7\u00e3o<\/td>\n<td width=\"74\">Prote\u00e7\u00e3o<\/td>\n<\/tr>\n<tr>\n<td width=\"51\">0.2(S)<\/td>\n<td width=\"33\">0.5<\/td>\n<td width=\"74\">10P<\/td>\n<\/tr>\n<tr>\n<td width=\"67\">20-200\/5<\/td>\n<td rowspan=\"8\" width=\"96\">0,2\uff08S\uff09\/0,2(S)<\/p>\n<p>0.2(S)\/0.5<\/p>\n<p>0,2(S)\/10P<\/p>\n<p>0.5\/10P<\/td>\n<td rowspan=\"8\" width=\"51\">10<\/p>\n<p>15<\/td>\n<td rowspan=\"8\" width=\"33\">15<\/td>\n<td rowspan=\"5\" width=\"74\">15<\/td>\n<td rowspan=\"8\" width=\"87\">5<\/p>\n<p>(10)<\/td>\n<td rowspan=\"8\" width=\"74\">10<\/p>\n<p>15<\/td>\n<td width=\"74\">150I1n<\/td>\n<td width=\"64\">375I1n<\/td>\n<\/tr>\n<tr>\n<td width=\"67\">300\/5<\/td>\n<td width=\"74\">31.5<\/td>\n<td width=\"64\">80<\/td>\n<\/tr>\n<tr>\n<td width=\"67\">400\/5<\/td>\n<td width=\"74\">31.5<\/td>\n<td width=\"64\">80<\/td>\n<\/tr>\n<tr>\n<td width=\"67\">500\/5<\/td>\n<td width=\"74\">40<\/td>\n<td width=\"64\">100<\/td>\n<\/tr>\n<tr>\n<td width=\"67\">600\/5<\/td>\n<td width=\"74\">50<\/td>\n<td width=\"64\">125<\/td>\n<\/tr>\n<tr>\n<td width=\"67\">800\/5<\/td>\n<td rowspan=\"3\" width=\"74\">20<\/td>\n<td width=\"74\">63<\/td>\n<td width=\"64\">125<\/td>\n<\/tr>\n<tr>\n<td width=\"67\">1000\/5<\/td>\n<td width=\"74\">80<\/td>\n<td width=\"64\">160<\/td>\n<\/tr>\n<tr>\n<td width=\"67\">1250\/5<\/td>\n<td width=\"74\">80<\/td>\n<td width=\"64\">160<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>LZZBJ9-24-180b\/4<\/h3>\n<ol>\n<li>\n<h4><strong>Tr\u00eas propor\u00e7\u00f5es secund\u00e1rias \u00fanicas<\/strong><\/h4>\n<\/li>\n<\/ol>\n<table style=\"height: 436px;\" width=\"1434\">\n<tbody>\n<tr>\n<td rowspan=\"3\" width=\"18%\">Transformador nominal<\/p>\n<p>Propor\u00e7\u00e3o(A)<\/td>\n<td rowspan=\"3\" width=\"16%\">Combina\u00e7\u00e3o de classes de precis\u00e3o secund\u00e1ria<\/td>\n<td colspan=\"3\" width=\"26%\">Sa\u00edda nominal<\/p>\n<p>(VA)<\/td>\n<td rowspan=\"3\" width=\"6%\">FS<\/td>\n<td rowspan=\"3\" width=\"7%\">ALF<\/td>\n<td rowspan=\"3\" width=\"14%\">Corrente t\u00e9rmica nominal de curta dura\u00e7\u00e3o (kA\/S)<\/td>\n<td rowspan=\"3\" width=\"10%\">Corrente din\u00e2mica nominal (kA)<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\" width=\"13%\">Medi\u00e7\u00e3o<\/td>\n<td width=\"12%\">Prote\u00e7\u00e3o<\/td>\n<\/tr>\n<tr>\n<td width=\"8%\">0.2(S)<\/td>\n<td width=\"5%\">0.5<\/td>\n<td width=\"12%\">10P<\/td>\n<\/tr>\n<tr>\n<td width=\"18%\">15-30\/5<\/p>\n<p>20-40\/5<\/p>\n<p>..........<\/p>\n<p>500-1000\/5<\/td>\n<td rowspan=\"6\" width=\"16%\">0,2S\/0,5\/10P<\/p>\n<p>0.2\/0.5\/10P<\/p>\n<p>0.5\/0.5\/10P<\/p>\n<p>0,2S\/10P\/10P<\/p>\n<p>0,2\/10P\/10P<\/p>\n<p>0,5\/10P\/10P<\/td>\n<td rowspan=\"6\" width=\"8%\">15<\/td>\n<td rowspan=\"6\" width=\"5%\">15<\/td>\n<td rowspan=\"6\" width=\"12%\">10<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>15<\/td>\n<td rowspan=\"6\" width=\"6%\">5<\/p>\n<p>(10)<\/td>\n<td rowspan=\"6\" width=\"7%\">10<\/p>\n<p>15<\/p>\n<p>20<\/td>\n<td width=\"14%\">100I1n<\/td>\n<td width=\"10%\">250I1n<\/td>\n<\/tr>\n<tr>\n<td width=\"18%\">600-1200\/5<\/td>\n<td width=\"14%\">50<\/td>\n<td width=\"10%\">105<\/td>\n<\/tr>\n<tr>\n<td width=\"18%\">750-1500\/5<\/td>\n<td width=\"14%\">63<\/td>\n<td width=\"10%\">130<\/td>\n<\/tr>\n<tr>\n<td width=\"18%\">800-1600\/5<\/td>\n<td width=\"14%\">80<\/td>\n<td width=\"10%\">160<\/td>\n<\/tr>\n<tr>\n<td width=\"18%\">1000-2000\/5<\/td>\n<td width=\"14%\">80<\/td>\n<td width=\"10%\">160<\/td>\n<\/tr>\n<tr>\n<td width=\"18%\">1250-2500\/5<\/td>\n<td width=\"14%\">100<\/td>\n<td width=\"10%\">200<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4><strong>2.3 Propor\u00e7\u00e3o dupla secund\u00e1ria<\/strong><\/h4>\n<table style=\"height: 404px;\" width=\"1428\">\n<tbody>\n<tr>\n<td rowspan=\"3\" width=\"17%\">Transformador nominal<\/p>\n<p>Propor\u00e7\u00e3o(A)<\/td>\n<td rowspan=\"3\" width=\"16%\">Combina\u00e7\u00e3o de classes de precis\u00e3o secund\u00e1ria<\/td>\n<td colspan=\"3\" width=\"27%\">Sa\u00edda nominal<\/p>\n<p>(VA)<\/td>\n<td rowspan=\"3\" width=\"7%\">FS<\/td>\n<td rowspan=\"3\" width=\"5%\">ALF<\/td>\n<td rowspan=\"3\" width=\"13%\">Corrente t\u00e9rmica nominal de curta dura\u00e7\u00e3o (kA\/S)<\/td>\n<td rowspan=\"3\" width=\"11%\">Corrente din\u00e2mica nominal (kA)<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\" width=\"14%\">Medi\u00e7\u00e3o<\/td>\n<td width=\"13%\">Prote\u00e7\u00e3o<\/td>\n<\/tr>\n<tr>\n<td width=\"8%\">0.2(S)<\/td>\n<td width=\"5%\">0.5<\/td>\n<td width=\"13%\">10P<\/td>\n<\/tr>\n<tr>\n<td width=\"17%\">15-300\/5<\/td>\n<td rowspan=\"7\" width=\"16%\">0,2S\/0,5\/10P<\/p>\n<p>0.2\/0.5\/10P<\/p>\n<p>0.5\/0.5\/10P<\/p>\n<p>0,2S\/10P\/10P<\/p>\n<p>0,2\/10P\/10P<\/p>\n<p>0,5\/10P\/10P<\/td>\n<td rowspan=\"7\" width=\"8%\">15<\/td>\n<td rowspan=\"7\" width=\"5%\">15<\/td>\n<td rowspan=\"7\" width=\"13%\">15<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>20<\/td>\n<td rowspan=\"7\" width=\"7%\">5<\/p>\n<p>(10)<\/td>\n<td rowspan=\"7\" width=\"5%\">10<\/p>\n<p>15<\/p>\n<p>20<\/td>\n<td width=\"13%\">100I1n<\/td>\n<td width=\"11%\">250I1n<\/td>\n<\/tr>\n<tr>\n<td width=\"17%\">400\/5\u00a0~600\/5<\/td>\n<td width=\"13%\">50<\/td>\n<td width=\"11%\">105<\/td>\n<\/tr>\n<tr>\n<td width=\"17%\">800-1000\/5<\/td>\n<td width=\"13%\">63<\/td>\n<td width=\"11%\">130<\/td>\n<\/tr>\n<tr>\n<td width=\"17%\">1200\/5<\/td>\n<td width=\"13%\">80<\/td>\n<td width=\"11%\">160<\/td>\n<\/tr>\n<tr>\n<td width=\"17%\">1500\/5<\/td>\n<td width=\"13%\">80<\/td>\n<td width=\"11%\">160<\/td>\n<\/tr>\n<tr>\n<td width=\"17%\">2000\/5<\/td>\n<td width=\"13%\">100<\/td>\n<td width=\"11%\">200<\/td>\n<\/tr>\n<tr>\n<td width=\"17%\">2500\/5<\/td>\n<td width=\"13%\">125<\/td>\n<td width=\"11%\">200<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<h2><strong>Esbo\u00e7o<\/strong><\/h2>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone  wp-image-2845\" src=\"http:\/\/www.wolunelectric.com\/wp-content\/uploads\/2023\/04\/LZZBJ9-24-180b-24.png\" alt=\"lzzbj9 24 180b\/2 \u3001 lzzbj9 24 180b\/4 transformador de corrente\" width=\"1347\" height=\"806\" srcset=\"https:\/\/www.wolunelectric.com\/wp-content\/uploads\/2023\/04\/LZZBJ9-24-180b-24.png 513w, https:\/\/www.wolunelectric.com\/wp-content\/uploads\/2023\/04\/LZZBJ9-24-180b-24-300x180.png 300w\" sizes=\"(max-width: 1347px) 100vw, 1347px\" \/><\/p>","protected":false},"excerpt":{"rendered":"<p>LZZBJ9-24-180b\/2 and LZZBJ9-24-180b\/4 are indoor epoxy resin cast current transformers designed for 24kV medium voltage power systems.<\/p>\n<p>They are widely used for current measurement, electric energy metering and relay protection in indoor switchgear and substations, featuring high insulation performance, compact structure and reliable operation<\/p>","protected":false},"featured_media":2846,"template":"","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"LZZBJ9-24-180b\/2 & LZZBJ9-24-180b\/4 24kV Indoor Epoxy Resin Current Transformer","_seopress_titles_desc":"LZZBJ9-24-180b\/2 and LZZBJ9-24-180b\/4 24kV indoor epoxy resin current transformers for current measurement, energy metering and relay protection. IEC compliant CT for medium voltage switchgear systems.","_seopress_robots_index":""},"product_brand":[],"product_cat":[64],"product_tag":[],"class_list":{"0":"post-2842","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-ctpt","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/www.wolunelectric.com\/pt\/wp-json\/wp\/v2\/product\/2842","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wolunelectric.com\/pt\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.wolunelectric.com\/pt\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wolunelectric.com\/pt\/wp-json\/wp\/v2\/media\/2846"}],"wp:attachment":[{"href":"https:\/\/www.wolunelectric.com\/pt\/wp-json\/wp\/v2\/media?parent=2842"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.wolunelectric.com\/pt\/wp-json\/wp\/v2\/product_brand?post=2842"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.wolunelectric.com\/pt\/wp-json\/wp\/v2\/product_cat?post=2842"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.wolunelectric.com\/pt\/wp-json\/wp\/v2\/product_tag?post=2842"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}