{"id":2690,"date":"2026-03-25T07:20:41","date_gmt":"2026-03-25T07:20:41","guid":{"rendered":"https:\/\/niunielec.com\/?post_type=product&p=2690"},"modified":"2026-03-31T07:42:00","modified_gmt":"2026-03-31T07:42:00","slug":"4000a-silver-plated-sulfur-treated-contact-arm-for-vacuum-circuit-breakers","status":"publish","type":"product","link":"https:\/\/niunielec.com\/fr\/product\/4000a-silver-plated-sulfur-treated-contact-arm-for-vacuum-circuit-breakers\/","title":{"rendered":"Bras de contact 4000A argent\u00e9 et trait\u00e9 au soufre pour disjoncteur \u00e0 vide"},"content":{"rendered":"

Bras de contact 4000A argent\u00e9 et trait\u00e9 au soufre pour disjoncteur \u00e0 vide<\/strong><\/span><\/h2>\n
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D\u00e9tails du produit<\/strong><\/p>\n

Our 4000A contact arm is an ultra-high-capacity conductive component engineered for 10kV\/12kV indoor vacuum circuit breakers and medium voltage switchgear. As a professional China contact arm manufacturer, we deliver robust solutions for heavy-duty power transmission and industrial electrical projects.<\/p>\n<\/div>\n

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  • Mat\u00e9riau et traitement de surface :<\/strong> Crafted from high-conductivity red copper (pure copper), with precision silver plating combined with sulfurization treatment to maximize conductivity, corrosion resistance, and service life under extreme 4000A high-current loads.<\/li>\n
  • Conception structurelle :<\/strong> Precision CNC machined with a multi-hole top structure for stable installation, ensuring a tight, secure fit with tulip contacts and circuit breaker mechanisms, guaranteeing consistent current flow and minimal contact resistance.<\/li>\n
  • Sc\u00e9narios d'application :<\/strong> Fully compatible with 4000A rated vacuum circuit breakers and switchgear, ideal for large-scale power transmission, heavy industrial power distribution, and power station applications. Custom dimensions are available to match major global circuit breaker brands.<\/li>\n
  • Qualit\u00e9 et approvisionnement :<\/strong> Fabriqu\u00e9s en Chine avec des tests rigoureux de performance \u00e9lectrique et de dur\u00e9e de vie m\u00e9canique. Nous fournissons des services efficaces d'approvisionnement en vrac et de livraison en Asie, en Europe, au Moyen-Orient et dans d'autres r\u00e9gions, conform\u00e9ment aux normes internationales IEC et GB.<\/li>\n<\/ul>\n

    4000A Silver Plated Sulfur Treated Contact Arm for Vacuum Circuit Breaker<\/span><\/strong><\/h3>\n

    Dessin<\/strong><\/p>\n

    \"4000a<\/p>","protected":false},"excerpt":{"rendered":"

    4000A silver-plated sulfur-treated contact arm for vacuum circuit breakers. As a trusted China contact arm manufacturer, we offer high-conductivity pure copper components for reliable ultra-high-current power distribution.<\/p>","protected":false},"featured_media":2697,"comment_status":"open","ping_status":"closed","template":"","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"4000A Silver Plated Sulfur Treated Contact Arm for Vacuum Circuit Breaker","_seopress_titles_desc":"4000A silver-plated sulfur-treated contact arm for vacuum circuit breaker. Pure copper, ultra-high current reliability. China contact arm manufacturer supplies custom solutions for global power distribution.","_seopress_robots_index":""},"product_brand":[],"product_cat":[24,38],"product_tag":[171,103,173],"class_list":{"0":"post-2690","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-vacuum-circuit-breaker-accessories","7":"product_cat-contact-arm","8":"product_tag-contact-arm","9":"product_tag-high-voltage","10":"product_tag-vacuum-circuit-breaker-contact-arm","12":"first","13":"instock","14":"shipping-taxable","15":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/niunielec.com\/fr\/wp-json\/wp\/v2\/product\/2690","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=2690"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/niunielec.com\/fr\/wp-json\/wp\/v2\/media\/2697"}],"wp:attachment":[{"href":"https:\/\/niunielec.com\/fr\/wp-json\/wp\/v2\/media?parent=2690"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/niunielec.com\/fr\/wp-json\/wp\/v2\/product_brand?post=2690"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/niunielec.com\/fr\/wp-json\/wp\/v2\/product_cat?post=2690"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/niunielec.com\/fr\/wp-json\/wp\/v2\/product_tag?post=2690"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}