{"id":615888,"date":"2026-09-28T19:39:31","date_gmt":"2026-09-28T19:39:31","guid":{"rendered":"https:\/\/www.olympiajournal.com\/news\/story\/615888\/mutai-cmtw1-intelligent-air-circuit-breaker-for-reliable-power-distribution.html"},"modified":"2026-09-28T19:39:31","modified_gmt":"2026-09-28T19:39:31","slug":"mutai-cmtw1-intelligent-air-circuit-breaker-for-reliable-power-distribution","status":"publish","type":"post","link":"https:\/\/www.olympiajournal.com\/news\/story\/615888\/mutai-cmtw1-intelligent-air-circuit-breaker-for-reliable-power-distribution.html","title":{"rendered":"MUTAI CMTW1 Intelligent Air Circuit Breaker for Reliable Power Distribution"},"content":{"rendered":"<p style=\"text-align: justify\">Wenzhou, Zhejiang, China- September 28,2026<\/p>\n<p style=\"text-align: justify\"><a rel=\"nofollow\" href=\"https:\/\/www.mutaiele.com\/uploads\/217.png\"><img decoding=\"async\" class=\"alignnone size-full wp-image-3760\" src=\"https:\/\/www.mutaiele.com\/uploads\/217.png\" alt=\"Air Circuit Breaker (ACB)\" \/><\/a><\/p>\n<p style=\"text-align: justify\">As modern power distribution systems demand higher capacity, greater reliability, and more intelligent control, advanced circuit protection has become essential. <strong>Mutai Electric Group&rsquo;s CMTW1 Series Intelligent Air Circuit Breaker (ACB)<\/strong> is designed to provide reliable protection, switching, and intelligent management for demanding low-voltage distribution networks.<\/p>\n<p style=\"text-align: justify\"><strong>What Is an Air Circuit Breaker?<\/strong><\/p>\n<p style=\"text-align: justify\">An <strong>Air Circuit Breaker (ACB)<\/strong> is a high-capacity circuit breaker that uses air as the arc-extinguishing medium. It is primarily installed in low-voltage distribution systems to control and protect major power circuits.<\/p>\n<p style=\"text-align: justify\">When an electrical fault occurs, such as <strong>overload, short circuit, undervoltage, or ground fault<\/strong>, the ACB can quickly interrupt the circuit to help protect electrical equipment and maintain system safety.<\/p>\n<p style=\"text-align: justify\">ACBs are commonly used as <strong>main incoming breakers, busbar protection devices, and feeder breakers<\/strong> in large electrical distribution systems.<\/p>\n<p style=\"text-align: justify\"><strong>Introducing the Mutai CMTW1 Series<\/strong><\/p>\n<p style=\"text-align: justify\">The <strong>CMTW1 Series Intelligent ACB<\/strong> is suitable for AC 50\/60Hz distribution networks with rated operating voltages of <strong>400V and 690V<\/strong> and rated currents from <strong>200A to 6300A<\/strong>.<\/p>\n<p style=\"text-align: justify\">The series combines high-capacity circuit protection with an intelligent controller, providing comprehensive protection and control functions for applications where power reliability and selective protection are important.<\/p>\n<p style=\"text-align: justify\"><strong>Key Technical Specifications<\/strong><\/p>\n<ul style=\"text-align: justify\">\n<li><strong>Rated current:<\/strong> 200A&ndash;6300A<\/li>\n<li><strong>Rated operating voltage:<\/strong> AC 400V \/ 690V<\/li>\n<li><strong>Rated insulation voltage:<\/strong> 1000V<\/li>\n<li><strong>Rated impulse withstand voltage:<\/strong> 12kV<\/li>\n<li><strong>Poles:<\/strong> 3P \/ 4P<\/li>\n<li><strong>Ultimate breaking capacity:<\/strong> up to 120kA at 400V<\/li>\n<li><strong>Service breaking capacity:<\/strong> up to 100kA at 400V<\/li>\n<li><strong>Short-time withstand current:<\/strong> up to 100kA \/ 1s<\/li>\n<li><strong>Total breaking time:<\/strong> 25&ndash;30ms<\/li>\n<li><strong>Closing time:<\/strong> &le;60ms<\/li>\n<\/ul>\n<p style=\"text-align: justify\">Different frame sizes are available, including <strong>2000A, 3200A, 4000A, and 6300A<\/strong>, providing flexibility for different power distribution requirements.<\/p>\n<p style=\"text-align: justify\"><strong>Intelligent Protection &amp; Communication<\/strong><\/p>\n<p style=\"text-align: justify\">The CMTW1 ACB features an intelligent controller with comprehensive protection functions, including:<\/p>\n<ul style=\"text-align: justify\">\n<li>Overload protection<\/li>\n<li>Short-circuit protection<\/li>\n<li>Undervoltage protection<\/li>\n<li>Ground-fault protection<\/li>\n<li>Leakage protection with the corresponding current transformer and intelligent controller<\/li>\n<li>Undervoltage reclosing protection<\/li>\n<li>Electromagnetic interference protection for photovoltaic systems<\/li>\n<li>Environmental interference protection<\/li>\n<\/ul>\n<p style=\"text-align: justify\">For applications requiring intelligent communication, <strong>2H and 3H intelligent controllers<\/strong> are equipped with communication interfaces. They can connect to fieldbus systems and support four remote functions:<\/p>\n<p style=\"text-align: justify\"><strong>Remote measurement &middot; Remote adjustment &middot; Remote control &middot; Remote communication<\/strong><\/p>\n<p style=\"text-align: justify\">This makes the CMTW1 suitable for power distribution systems requiring higher levels of automation and intelligent management.<\/p>\n<p style=\"text-align: justify\"><strong>Built for Demanding Applications<\/strong><\/p>\n<p style=\"text-align: justify\">The CMTW1 Series is designed for environments where stable power supply and dependable protection are critical. It can be used in:<\/p>\n<ul style=\"text-align: justify\">\n<li>Industrial power distribution<\/li>\n<li>Commercial buildings<\/li>\n<li>Manufacturing facilities<\/li>\n<li>Data and infrastructure projects<\/li>\n<li>Photovoltaic and renewable energy systems<\/li>\n<li>Main distribution panels<\/li>\n<li>Large-scale power distribution networks<\/li>\n<\/ul>\n<p style=\"text-align: justify\">The ACB can also be used for motor protection in applicable <strong>400V AC systems<\/strong> for motors with rated currents of 1000A and below, providing overload, short-circuit, undervoltage, and ground-fault protection.<\/p>\n<p style=\"text-align: justify\"><strong>Reliable Design for Long-Term Operation<\/strong><\/p>\n<p style=\"text-align: justify\">The CMTW1 Series offers a combination of high breaking capacity, intelligent protection, communication capability, and long mechanical service life. Depending on the model and maintenance condition, the mechanical life can reach <strong>up to 10,000 operations<\/strong>, while electrical life reaches <strong>up to 1,000 operations<\/strong>.<\/p>\n<p style=\"text-align: justify\">The product is designed for installation environments with an altitude of up to <strong>2000m<\/strong>, pollution degree 3, and ambient temperatures from <strong>-5&deg;C to +40&deg;C<\/strong>.<\/p>\n<p style=\"text-align: justify\">The CMTW1 Series complies with relevant standards including <strong>IEC 60947-1, IEC 60947-2, IEC 60947-4-1, GB\/T 14048.1, GB\/T 14048.2, GB\/T 14048.4, GB\/T 2421.1, and GB\/T 14597<\/strong>. The product also carries China&rsquo;s compulsory <strong>CCC certification<\/strong>.<\/p>\n<p style=\"text-align: justify\"><strong>Intelligent Protection for Modern Power Distribution<\/strong><\/p>\n<p style=\"text-align: justify\">With high current capacity, comprehensive protection, intelligent communication, and flexible configuration, the <strong>Mutai CMTW1 Intelligent ACB<\/strong> is designed to help customers build safer, more reliable, and more intelligent low-voltage power distribution systems.<\/p>\n<p style=\"text-align: justify\"><a rel=\"nofollow\" href=\"https:\/\/www.mutaiele.com\/uploads\/The-experience-of-Mutai-Electric-Group.png\"><img decoding=\"async\" class=\"alignnone size-full wp-image-3764\" src=\"https:\/\/www.mutaiele.com\/uploads\/The-experience-of-Mutai-Electric-Group.png\" alt=\"The experience of Mutai Electric Group\" \/><\/a><\/p>\n<p style=\"text-align: justify\">About us<\/p>\n<p style=\"text-align: justify\">Mutai Electric Group was established in 2012, with standard workshop of over 20,000 square meters which located in Liushi, the capital of China Electrical Appliance. Mutai Electric has been focusing on the manufacture, research, development of low-voltage electrical products more than 10 years. The Company has more than 300 employees, including 20 professional and technical engineers. The main products of MUTAI included MCB, MCCB, ACB, RCBO, RCCB, ATS, Contactor. The products are professional &amp; widely used in building, residence, industrial applications, electric power transmission.<\/p>\n<p class=\"caps\"><span style='font-size:18px !important'>Media Contact<\/span><br \/><strong>Company Name:<\/strong> <a rel=\"nofollow\" href=\"https:\/\/www.abnewswire.com\/companyname\/mutaiele.com_147012.html\">Mutai Electric Group<\/a><br \/><strong>Contact Person:<\/strong> Media Relations<br \/><strong>Email:<\/strong> <a rel=\"nofollow\" href=\"https:\/\/www.abnewswire.com\/email_contact_us.php?pr=mutai-cmtw1-intelligent-air-circuit-breaker-for-reliable-power-distribution\">Send Email<\/a><br \/><strong>Country:<\/strong> China<br \/><strong>Website:<\/strong> <a rel=\"nofollow noopener\" href=\"https:\/\/www.mutaiele.com\/\" target=\"_blank\">https:\/\/www.mutaiele.com\/<\/a><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.abnewswire.com\/press_stat.php?pr=mutai-cmtw1-intelligent-air-circuit-breaker-for-reliable-power-distribution\" alt=\"\" width=\"1px\" height=\"1px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Wenzhou, Zhejiang, China- September 28,2026 As modern power distribution systems demand higher capacity, greater reliability, and more intelligent control, advanced circuit protection has become essential. Mutai Electric Group&rsquo;s CMTW1 Series<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/www.olympiajournal.com\/news\/wp-json\/wp\/v2\/posts\/615888"}],"collection":[{"href":"https:\/\/www.olympiajournal.com\/news\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.olympiajournal.com\/news\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.olympiajournal.com\/news\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.olympiajournal.com\/news\/wp-json\/wp\/v2\/comments?post=615888"}],"version-history":[{"count":0,"href":"https:\/\/www.olympiajournal.com\/news\/wp-json\/wp\/v2\/posts\/615888\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.olympiajournal.com\/news\/wp-json\/wp\/v2\/media?parent=615888"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.olympiajournal.com\/news\/wp-json\/wp\/v2\/categories?post=615888"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.olympiajournal.com\/news\/wp-json\/wp\/v2\/tags?post=615888"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}