{"id":2532,"date":"2026-03-23T06:06:38","date_gmt":"2026-03-23T06:06:38","guid":{"rendered":"https:\/\/niunielec.com\/?post_type=product&p=2532"},"modified":"2026-04-03T03:27:17","modified_gmt":"2026-04-03T03:27:17","slug":"zw32-40-5kv-outdoor-vacuum-circuit-breaker-for-high-voltage","status":"publish","type":"product","link":"https:\/\/niunielec.com\/pt\/product\/zw32-40-5kv-outdoor-vacuum-circuit-breaker-for-high-voltage\/","title":{"rendered":"ZW32 40.5KV Outdoor Vacuum Circuit Breaker for High Voltage"},"content":{"rendered":"

ZW32 40.5KV Outdoor Vacuum Circuit Breaker for High Voltage<\/strong><\/span><\/h2>\n

Descri\u00e7\u00f5es dos produtos<\/strong><\/h4>\n

ZW32-40.5\/1250A is an outdoor high-voltage vacuum circuit breaker designed for 40.5kV three-phase AC 50Hz power systems. Compliant with GB1984, JB3855 and IEC standards, it provides reliable control and protection for electrical equipment in industrial and mining enterprises, power plants and substations.<\/p>\n

With excellent multiple and fast breaking performance, it ensures stable operation and strong system protection, especially for frequent operating conditions.<\/p>\n

Environmental conditions<\/strong><\/h4>\n
    \n
  • Ambient Temperature: -35\u00b0C to +45\u00b0C<\/li>\n
  • \u00a0Relative Humidity: Monthly average up to 90%, daily average up to 95%<\/li>\n
  • \u00a0Saturated Vapor Pressure: Daily average not exceeding 2.2\u00d710\u207b\u00b3 MPa; Monthly average not exceeding 1.8\u00d710\u207b\u00b3 MPa. Condensation may occur in high humidity and temperature drops.<\/li>\n
  • \u00a0Altitude: Up to 2000 meters<\/li>\n
  • \u00a0Earthquake Intensity: Not exceeding 8<\/li>\n
  • \u00a0Environmental Conditions: No fire, explosion risks, severe pollution, chemical corrosion, or intense vibration.<\/li>\n
  • \u00a0Customization: The product can be customized according to specific requirements.<\/li>\n<\/ul>\n

    Par\u00e2metros t\u00e9cnicos<\/strong><\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
    1<\/td>\nRated\u00a0voltage<\/td>\nkV<\/td>\n40.5<\/td>\n<\/tr>\n
    2<\/td>\nRated\u00a0current<\/td>\nA<\/td>\n1250\/1600\/2000\/2500<\/td>\n<\/tr>\n
    3<\/td>\nRated\u00a0frequency<\/td>\nHZ<\/td>\n50\/60<\/td>\n<\/tr>\n
    4<\/td>\nRated\u00a0insulation\u00a0level<\/td>\nLightning\u00a0impulse\u00a0withstand\u00a0voltage<\/td>\nkV<\/td>\n185<\/td>\n<\/tr>\n
    <\/td>\n<\/td>\n1\u00a0min\u00a0power-frequency\u00a0withstand\u00a0voltage<\/td>\n<\/td>\n80, 95\/95<\/td>\n<\/tr>\n
    6<\/td>\nRated\u00a0short-circuit\u00a0breaking\u00a0current<\/td>\nkA<\/td>\n25\/31.5<\/td>\n<\/tr>\n
    7<\/td>\nRated\u00a0short-circuit\u00a0making\u00a0current (peak\u00a0value)<\/td>\nkA<\/td>\n63\/80<\/td>\n<\/tr>\n
    8<\/td>\nRated\u00a0short-time\u00a0withstand\u00a0current<\/td>\nkA<\/td>\n25\/31.5<\/td>\n<\/tr>\n
    9<\/td>\nRated\u00a0withstand\u00a0current (peak\u00a0value)<\/td>\nkA<\/td>\n63\/80<\/td>\n<\/tr>\n
    10<\/td>\nRated\u00a0operating\u00a0sequence<\/td>\n<\/td>\nO-0,3s-CO-180s-CO<\/td>\n<\/tr>\n
    11<\/td>\nRated\u00a0short-circuit\u00a0duration<\/td>\ns<\/td>\n4<\/td>\n<\/tr>\n
    12<\/td>\nTimes\u00a0of\u00a0breaking\u00a0with\u00a0the\u00a0rated\u00a0short-circuit\u00a0current<\/td>\nTempos<\/td>\n30<\/td>\n<\/tr>\n
    13<\/td>\nMechanical\u00a0life<\/td>\n<\/td>\n10000<\/td>\n<\/tr>\n
    14<\/td>\nMechanism control voltage<\/td>\nV<\/td>\nAC\/DC220<\/td>\n<\/tr>\n
    15<\/td>\n1min secondary circuit power frequency withstand voltage<\/td>\nkV<\/td>\n2<\/td>\n<\/tr>\n
    16<\/td>\nContact open distance<\/td>\nmm<\/td>\n16 \u00b11<\/td>\n<\/tr>\n
    17<\/td>\nContact Over-travel<\/td>\nmm<\/td>\n4\u00b10.5<\/td>\n<\/tr>\n
    18<\/td>\nVelocidade m\u00e9dia de abertura<\/td>\n\u00a0 m\/s<\/td>\n1.4\u00b11.8<\/td>\n<\/tr>\n
    19<\/td>\nVelocidade m\u00e9dia de fecho<\/td>\n\u00a0 m\/s<\/td>\n0.4-0.8<\/td>\n<\/tr>\n
    20<\/td>\nThree phase simultaneity<\/td>\n\u00a0 ms<\/td>\n\u22642<\/td>\n<\/tr>\n
    21<\/td>\nTempo de ressalto do fecho do contacto<\/td>\n\u00a0 ms<\/td>\n\u22645<\/td>\n<\/tr>\n
    22<\/td>\nMain circuit DC resistance per phases<\/td>\n\u00a0\u03bc\u03a9<\/td>\n\u226480<\/td>\n<\/tr>\n
    23<\/td>\nPolar distance<\/td>\nmm<\/td>\n460 \u00b12<\/td>\n<\/tr>\n
    24<\/td>\nOpening time<\/td>\nms<\/td>\n\u226450<\/td>\n<\/tr>\n
    25<\/td>\nHora de fecho<\/td>\nms<\/td>\n\u2264100<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    ZW32 40.5KV Outdoor Vacuum Circuit Breaker for High Voltage<\/span><\/strong><\/h3>\n

    Desenho<\/strong><\/h4>\n

    \"zw32<\/p>","protected":false},"excerpt":{"rendered":"

    ZW32-40.5\/1250A is an outdoor high-voltage vacuum circuit breaker designed for 40.5kV three-phase AC 50Hz power systems. Compliant with GB1984, JB3855 and IEC standards, it provides reliable control and protection for electrical equipment in industrial and mining enterprises, power plants and substations.<\/p>","protected":false},"featured_media":2535,"comment_status":"open","ping_status":"closed","template":"","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"ZW32 40.5KV Outdoor Vacuum Circuit Breaker for High Voltage","_seopress_titles_desc":"ZW32-40.5\/1250A is an high voltage outdoor vacuum circuit breaker designed for 40.5kV three-phase AC 50Hz power systems.","_seopress_robots_index":""},"product_brand":[],"product_cat":[23,32],"product_tag":[103,107,108],"class_list":{"0":"post-2532","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-vacuum-circuit-breaker","7":"product_cat-outdoor-vacuum-circuit-breaker","8":"product_tag-high-voltage","9":"product_tag-outdoor-vacuum-circuit-breaker","10":"product_tag-substation-switch","12":"first","13":"instock","14":"shipping-taxable","15":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/niunielec.com\/pt\/wp-json\/wp\/v2\/product\/2532","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/niunielec.com\/pt\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/niunielec.com\/pt\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/niunielec.com\/pt\/wp-json\/wp\/v2\/comments?post=2532"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/niunielec.com\/pt\/wp-json\/wp\/v2\/media\/2535"}],"wp:attachment":[{"href":"https:\/\/niunielec.com\/pt\/wp-json\/wp\/v2\/media?parent=2532"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/niunielec.com\/pt\/wp-json\/wp\/v2\/product_brand?post=2532"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/niunielec.com\/pt\/wp-json\/wp\/v2\/product_cat?post=2532"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/niunielec.com\/pt\/wp-json\/wp\/v2\/product_tag?post=2532"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}