{"id":2665,"date":"2026-03-25T06:45:20","date_gmt":"2026-03-25T06:45:20","guid":{"rendered":"https:\/\/niunielec.com\/?post_type=product&#038;p=2665"},"modified":"2026-03-31T08:07:13","modified_gmt":"2026-03-31T08:07:13","slug":"1600a-silver-plated-copper-circuit-breaker-insert-arm-for-vcb","status":"publish","type":"product","link":"https:\/\/niunielec.com\/es\/product\/1600a-silver-plated-copper-circuit-breaker-insert-arm-for-vcb\/","title":{"rendered":"1600A Silver-Plated Copper Circuit Breaker Insert Arm for VCB"},"content":{"rendered":"<h2 id=\"h2-1\"><strong><span style=\"font-size: 75%;\">1600A Silver-Plated Copper Circuit Breaker Insert Arm for VCB<\/span><\/strong><\/h2>\n<p><strong>Product Description<\/strong><\/p>\n<div>Our 1600A silver-plated copper stem contact is a high-capacity conductive component engineered for 10kV\/12kV indoor vacuum circuit breakers and medium voltage switchgear. As a professional China stem contact manufacturer, we deliver stable solutions for global power transmission and industrial electrical projects.<\/div>\n<ul>\n<li><strong>Material &amp; Performance:<\/strong> Made of high-conductivity red copper (pure copper) with precision silver plating, ensuring excellent high-current conductivity, oxidation resistance, and corrosion resistance for long-term reliability.<\/li>\n<li><strong>Structural Design:<\/strong> Precision CNC machined to ensure a tight, secure fit with tulip contacts and circuit breaker mechanisms, guaranteeing consistent current flow and minimal contact resistance under 1600A rated load.<\/li>\n<li><strong>Application Scenarios:<\/strong> Fully compatible with 1600A rated vacuum circuit breakers and switchgear, ideal for power transmission, industrial power distribution, and power station applications. Custom dimensions are available to match major global circuit breaker brands.<\/li>\n<li><strong>Quality &amp; Supply:<\/strong> Manufactured in China with rigorous electrical performance and mechanical life testing. We provide efficient bulk supply and delivery services to Asia, Europe, the Middle East, and other regions, adhering to international IEC and GB standards.<\/li>\n<\/ul>\n<h3><span style=\"font-size: 75%;\"><strong>1600A Silver-Plated Copper Circuit Breaker Insert Arm for VCB<\/strong><\/span><\/h3>\n<h4><span style=\"font-size: 100%;\"><strong>Dibujo<\/strong><\/span><\/h4>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-2672\" src=\"https:\/\/niunielec.com\/wp-content\/uploads\/2026\/03\/1600a-silver-plated-copper-stem-contact-for-vacuum-circuit-breakers-drawing-768x412.webp\" alt=\"1600a silver plated copper stem contact for vacuum circuit breakers\" width=\"768\" height=\"412\" srcset=\"https:\/\/niunielec.com\/wp-content\/uploads\/2026\/03\/1600a-silver-plated-copper-stem-contact-for-vacuum-circuit-breakers-drawing-768x412.webp 768w, https:\/\/niunielec.com\/wp-content\/uploads\/2026\/03\/1600a-silver-plated-copper-stem-contact-for-vacuum-circuit-breakers-drawing-440x236.webp 440w, https:\/\/niunielec.com\/wp-content\/uploads\/2026\/03\/1600a-silver-plated-copper-stem-contact-for-vacuum-circuit-breakers-drawing-18x10.webp 18w, https:\/\/niunielec.com\/wp-content\/uploads\/2026\/03\/1600a-silver-plated-copper-stem-contact-for-vacuum-circuit-breakers-drawing-600x322.webp 600w, https:\/\/niunielec.com\/wp-content\/uploads\/2026\/03\/1600a-silver-plated-copper-stem-contact-for-vacuum-circuit-breakers-drawing.webp 923w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>1600A silver-plated copper circuit breaker insert arm for vacuum circuit breaker. As a trusted China stem contact manufacturer, we offer high-conductivity components with reliable performance for global power distribution.<\/p>","protected":false},"featured_media":2671,"comment_status":"open","ping_status":"closed","template":"","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"1600A Silver-Plated Copper Circuit Breaker Insert Arm for VCB","_seopress_titles_desc":"1600A silver-plated copper circuit breaker insert arm for vacuum circuit breakers. High-conductivity pure copper, reliable performance. China stem contact manufacturer supplies durable components for global power distribution.","_seopress_robots_index":""},"product_brand":[],"product_cat":[24,38],"product_tag":[171,177],"class_list":{"0":"post-2665","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-vacuum-circuit-breaker-accessories","11":"first","12":"instock","13":"shipping-taxable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/niunielec.com\/es\/wp-json\/wp\/v2\/product\/2665","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/niunielec.com\/es\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/niunielec.com\/es\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/niunielec.com\/es\/wp-json\/wp\/v2\/comments?post=2665"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/niunielec.com\/es\/wp-json\/wp\/v2\/media\/2671"}],"wp:attachment":[{"href":"https:\/\/niunielec.com\/es\/wp-json\/wp\/v2\/media?parent=2665"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/niunielec.com\/es\/wp-json\/wp\/v2\/product_brand?post=2665"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/niunielec.com\/es\/wp-json\/wp\/v2\/product_cat?post=2665"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/niunielec.com\/es\/wp-json\/wp\/v2\/product_tag?post=2665"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}