{"id":2527,"date":"2026-03-23T04:03:19","date_gmt":"2026-03-23T04:03:19","guid":{"rendered":"https:\/\/niunielec.com\/?post_type=product&p=2527"},"modified":"2026-04-03T03:30:29","modified_gmt":"2026-04-03T03:30:29","slug":"zw7-40-5-outdoor-high-voltage-vacuum-circuit-breaker-substation-switch","status":"publish","type":"product","link":"https:\/\/niunielec.com\/fr\/product\/zw7-40-5-outdoor-high-voltage-vacuum-circuit-breaker-substation-switch\/","title":{"rendered":"ZW7-40.5 Outdoor High voltage Vacuum Circuit Breaker substation switch"},"content":{"rendered":"

ZW7-40.5 Outdoor High voltage Vacuum Circuit Breaker substation switch<\/strong><\/span><\/h2>\n

Description des produits<\/strong><\/h4>\n

ZW7-40.5 Outdoor High Voltage Vacuum Circuit Breaker is designed for AC 50Hz outdoor power systems at rated voltage 40.5kV\/35kV. Featuring a spring operating mechanism for remote and manual control, it complies with GB1984-89 and IEC 56 standards.<\/p>\n

Primarily used for control and protection in outdoor transmission, urban, rural and industrial distribution networks, it provides reliable normal operation and short-circuit protection. With a two-part porcelain housing integrating a vacuum interrupter, it supports frequent operation, offers excellent sealing, high temperature and pressure resistance, explosion-proof and fire-retardant performance, as well as easy installation and maintenance.<\/p>\n

Standard: IEC 62271-100<\/p>\n

Operating conditions<\/strong><\/h4>\n
    \n
  1. Ambient temperature: upper limit +40\u2103, lower limit -30\u2103; Days difference does not exceed 32K;<\/li>\n
  2. Altitude: 1000m and the following areas;<\/li>\n
  3. Wind pressure: not more than 700Pa (corresponding to the wind speed 34m\/s);<\/li>\n
  4. Air pollution level: IV class<\/li>\n
  5. Earthquake intensity: do not exceed 8 degree;<\/li>\n
  6. Ice thickness: no more than 10mm.<\/li>\n<\/ol>\n

    ZW7-40.5 Outdoor High voltage Vacuum Circuit Breaker substation switch<\/strong><\/span><\/h3>\n

    Param\u00e8tres techniques<\/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
    Objet<\/td>\nUnit\u00e9<\/td>\nParam\u00e8tres<\/td>\n<\/tr>\n
    Voltage, current parameters<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
    Tension nominale<\/td>\nkV<\/td>\n40.5<\/td>\n<\/tr>\n
    Rated short time power frequency withstand voltage (1min)<\/td>\nkV<\/td>\n95<\/td>\n<\/tr>\n
    Rated lightning impulse withstand voltage (peak)<\/td>\nkV<\/td>\n185<\/td>\n<\/tr>\n
    Courant nominal<\/td>\nA<\/td>\n1250, 1600, 2000<\/td>\n<\/tr>\n
    Courant nominal de rupture en court-circuit<\/td>\nkA<\/td>\n25, 31.5<\/td>\n<\/tr>\n
    S\u00e9quence de fonctionnement nominale<\/td>\n<\/td>\nO-0,3s-CO-180s-CO<\/td>\n<\/tr>\n
    Rated short-circuit current breaking times<\/td>\nTemps<\/td>\n12<\/td>\n<\/tr>\n
    Rated short-circuit closing current (peak)<\/td>\nkA<\/td>\n63, 80<\/td>\n<\/tr>\n
    Courant de r\u00e9sistance nominal de cr\u00eate<\/td>\nkA<\/td>\n63, 80<\/td>\n<\/tr>\n
    Rated short-time withstand current<\/td>\nkA<\/td>\n25, 31.5<\/td>\n<\/tr>\n
    Rated short-circuit current duration<\/td>\nS<\/td>\n4<\/td>\n<\/tr>\n
    Average opening velocity<\/td>\nms<\/td>\n1.5\u00b10.2<\/td>\n<\/tr>\n
    Vitesse de fermeture moyenne<\/td>\nms<\/td>\n0.7\u00b10.2<\/td>\n<\/tr>\n
    Temps de rebond de fermeture du contact<\/td>\nms<\/td>\n\u22645<\/td>\n<\/tr>\n
    Three-phase close (open) synchronization error<\/td>\nms<\/td>\n\u22642<\/td>\n<\/tr>\n
    Heure de fermeture<\/td>\nms<\/td>\n\u2264150<\/td>\n<\/tr>\n
    Opening time<\/td>\nms<\/td>\n\u226460<\/td>\n<\/tr>\n
    Dur\u00e9e de vie m\u00e9canique<\/td>\nTemps<\/td>\n10000<\/td>\n<\/tr>\n
    Rated operational voltage and auxiliary circuits rated voltage<\/td>\nV<\/td>\nDC220, AC220<\/td>\n<\/tr>\n
    DC resistance of circle every phase (not including transformer)<\/td>\n\u03bc\u03a9<\/td>\n\u2264100<\/td>\n<\/tr>\n
    Dynamic, static contact allowed to wear thickness<\/td>\nmm<\/td>\n3<\/td>\n<\/tr>\n
    Weight<\/td>\nkg<\/td>\n800<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    <\/h3>\n

    <\/h4>\n

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

    ZW7-40.5 is an outdoor high voltage vacuum circuit breaker for 35kV\/40.5kV 50Hz AC systems. With spring operating mechanism for remote and manual control, it complies with GB1984-89 and IEC 56 standards.<\/p>\n

    It protects transmission and distribution networks with excellent sealing, high temperature resistance, explosion-proof performance and easy maintenance.<\/p>","protected":false},"featured_media":2530,"comment_status":"open","ping_status":"closed","template":"","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"ZW7-40.5 Outdoor High voltage Vacuum Circuit Breaker substation switch","_seopress_titles_desc":"ZW7-40.5 is an outdoor high voltage vacuum circuit breaker for 35kV\/40.5kV 50Hz AC systems.With spring operating mechanism for remote and manual control, it complies with GB1984-89 and IEC 56 standards.","_seopress_robots_index":""},"product_brand":[],"product_cat":[23,32],"product_tag":[103,107,108],"class_list":{"0":"post-2527","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\/fr\/wp-json\/wp\/v2\/product\/2527","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/niunielec.com\/fr\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/niunielec.com\/fr\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/niunielec.com\/fr\/wp-json\/wp\/v2\/comments?post=2527"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/niunielec.com\/fr\/wp-json\/wp\/v2\/media\/2530"}],"wp:attachment":[{"href":"https:\/\/niunielec.com\/fr\/wp-json\/wp\/v2\/media?parent=2527"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/niunielec.com\/fr\/wp-json\/wp\/v2\/product_brand?post=2527"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/niunielec.com\/fr\/wp-json\/wp\/v2\/product_cat?post=2527"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/niunielec.com\/fr\/wp-json\/wp\/v2\/product_tag?post=2527"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}