{"id":617,"date":"2026-01-26T05:26:20","date_gmt":"2026-01-26T05:26:20","guid":{"rendered":"http:\/\/yieou.com\/?post_type=products&#038;p=617"},"modified":"2026-09-10T06:13:39","modified_gmt":"2026-09-10T06:13:39","slug":"ch-550-contact-box","status":"publish","type":"products","link":"https:\/\/yieou.com\/it\/product\/ch-550-contact-box\/","title":{"rendered":"Scatola di Contatto CH 550"},"content":{"rendered":"<h3 class=\"wp-block-heading\">Panoramica del prodotto<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/yieou.com\/it\/products\/\" data-type=\"link\" data-id=\"https:\/\/yieou.com\/products\/\">La scatola di contatto CH 550<\/a> \u00e8 fabbricato utilizzando la tecnologia di stampaggio con processo APG (Automatic Pressure Gelation) a resina epossidica. \u00c8 un dispositivo di connessione isolante dedicato per tipo estraibile <a href=\"https:\/\/en.wikipedia.org\/wiki\/Switchgear\" data-type=\"link\" data-id=\"https:\/\/en.wikipedia.org\/wiki\/Switchgear\" target=\"_blank\" rel=\"noopener\">switchgear<\/a>principalmente applicato in quadri elettrici estraibili di classe 10KV\u201312KV (armadi centrali). Fornisce funzioni di isolamento isolante e connessione di transizione, offrendo un'efficace protezione isolante per i contatti interni all'interno dei quadri elettrici e garantendo il funzionamento sicuro e stabile dei sistemi di alimentazione.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ambito di applicazione<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">This contact box is applicable to 10KV\u201312KV class drawout-type centrally-mounted switchgear, commonly used in power distribution systems, industrial substations, high-rise building distribution rooms, mining and industrial enterprise power distribution systems, and similar electrical installations. It serves as the insulation protection and transitional connection component for internal contacts within switchgear, providing reliable insulation for the switching and isolation of high-voltage circuits.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Condizioni operative<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">L'altitudine di installazione non deve superare i 1000 m.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ambient air temperature range: -10\u00b0C to +40\u00b0C; relative humidity shall not exceed 95% at 20\u00b0C;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Il sito di installazione deve essere privo di gas, vapori, polvere e altri mezzi esplosivi o corrosivi che potrebbero compromettere significativamente le prestazioni di isolamento della scatola di contatto;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The product shall be installed in locations free from severe vibration and mechanical shock, to ensure structural integrity;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Intended for indoor installation; compatible with standard busbar mounting configurations.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Caratteristiche del prodotto<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Excellent insulation performance: Formed using epoxy resin APG process, providing superior insulation properties capable of effectively isolating high-voltage circuits, preventing leakage and short-circuit risks, and withstanding high-voltage impulse;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Robust and durable construction: Monolithic molded structure offers high mechanical strength, capable of withstanding both mechanical and electrical stresses within switchgear enclosures, resulting in extended service life;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Effective temperature rise control: Under continuous rated current operation, the temperature rise at the outlet terminal does not exceed 65\u00b0C, ensuring safe equipment operation and preventing failures caused by excessive thermal buildup;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Convenient installation: Standardized mounting dimensions compatible with conventional centrally-mounted switchgear installation requirements, facilitating on-site installation and replacement;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Corrosion and oxidation resistance: Epoxy resin construction provides excellent resistance to corrosion and oxidation, suitable for a wide range of complex power system environments;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Superior surface finish: Smooth, burr-free surface finish for ease of installation, with good flame-retardant and wear-resistant characteristics.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Parametri Tecnici<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Parametro<\/th><th>Specifiche<\/th><\/tr><\/thead><tbody><tr><td>Tensione nominale<\/td><td>10KV\u201312KV<\/td><\/tr><tr><td>Corrente nominale<\/td><td>550A<\/td><\/tr><tr><td>Tensione di tenuta alla frequenza di rete<\/td><td>42KV \/ 1 min<\/td><\/tr><tr><td>Tensione di tenuta all'impulso atmosferico<\/td><td>75KV<\/td><\/tr><tr><td>Temperatura di Transizione Vetrosa<\/td><td>\u226595\u00b0C<\/td><\/tr><tr><td>Distanza tra i centri di montaggio<\/td><td>Compatible with 550-specification centrally-mounted switchgear installation requirements<\/td><\/tr><tr><td>Limite di aumento della temperatura<\/td><td>Aumento della temperatura del terminale non superiore a 65\u00b0C alla corrente nominale<\/td><\/tr><tr><td>Materiale<\/td><td>Alloggiamento in resina epossidica + contatti in lega di rame<\/td><\/tr><tr><td>Grado di protezione<\/td><td>IP67<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"336\" height=\"336\" src=\"https:\/\/yieou.com\/wp-content\/uploads\/2026\/01\/CH-550-Contact-Box.png\" alt=\"Scatola di Contatto CH550\" class=\"wp-image-618\" srcset=\"https:\/\/yieou.com\/wp-content\/uploads\/2026\/01\/CH-550-Contact-Box.png 336w, https:\/\/yieou.com\/wp-content\/uploads\/2026\/01\/CH-550-Contact-Box-300x300.png 300w, https:\/\/yieou.com\/wp-content\/uploads\/2026\/01\/CH-550-Contact-Box-150x150.png 150w\" sizes=\"(max-width: 336px) 100vw, 336px\" \/><\/figure>\n\n    <div class=\"xs_social_share_widget xs_share_url after_content \t\tmain_content  wslu-style-1 wslu-share-box-shaped wslu-fill-colored wslu-none wslu-share-horizontal wslu-theme-font-no wslu-main_content\">\n\n\t\t\n        <ul>\n\t\t\t        <\/ul>\n    <\/div>","protected":false},"excerpt":{"rendered":"<p>Product Overview The CH 550 Contact Box is manufactured using epoxy resin APG (Automatic Pressure Gelation) process molding technology. It [&hellip;]<\/p>\n","protected":false},"featured_media":618,"template":"","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"product_category":[15],"class_list":["post-617","products","type-products","status-publish","has-post-thumbnail","hentry","product_category-casing-series"],"acf":{"products_imagines":[618,619],"short_describe":"<p><span style=\"color: #334155; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif; font-size: 16px; white-space: pre-wrap;\">The CH 550 Contact Box is manufactured using epoxy resin APG (Automatic Pressure Gelation) process molding technology.<\/span><\/p>","pdf_file":"","related_products":{"products":""},"technical_parameter":"","outline_and_installation_dimension":""},"_links":{"self":[{"href":"https:\/\/yieou.com\/it\/wp-json\/wp\/v2\/products\/617","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/yieou.com\/it\/wp-json\/wp\/v2\/products"}],"about":[{"href":"https:\/\/yieou.com\/it\/wp-json\/wp\/v2\/types\/products"}],"acf:attachment":[{"embeddable":true,"href":"https:\/\/yieou.com\/it\/wp-json\/wp\/v2\/media\/619"},{"embeddable":true,"href":"https:\/\/yieou.com\/it\/wp-json\/wp\/v2\/media\/618"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/yieou.com\/it\/wp-json\/wp\/v2\/media\/618"}],"wp:attachment":[{"href":"https:\/\/yieou.com\/it\/wp-json\/wp\/v2\/media?parent=617"}],"wp:term":[{"taxonomy":"product_category","embeddable":true,"href":"https:\/\/yieou.com\/it\/wp-json\/wp\/v2\/product_category?post=617"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}