{"id":81,"date":"2026-05-22T14:43:16","date_gmt":"2026-05-22T06:43:16","guid":{"rendered":"https:\/\/honest-control.com\/?post_type=product&#038;p=81"},"modified":"2026-05-22T14:43:29","modified_gmt":"2026-05-22T06:43:29","slug":"state-grid-green-composite-rock-wool-board-material-box-2","status":"publish","type":"product","link":"https:\/\/honest-control.com\/index.php\/product\/state-grid-green-composite-rock-wool-board-material-box-2\/","title":{"rendered":"State Grid green composite rock wool board material box"},"content":{"rendered":"<p>1. Model Meaning<\/p>\n<ul>\n<li>K: Mining<\/li>\n<li>B: Flameproof Type (Ex d I Mb)<\/li>\n<li>S: Three-phase<\/li>\n<li>G: Dry-type (non-oil-immersed)<\/li>\n<li>Z: Combined<\/li>\n<li>Y: Mobile<\/li>\n<li>Example: KBSGZY-1250\/10<\/li>\n<li>1250: Rated capacity 1250 kVA<\/li>\n<li>10: High-voltage side 10 kV<\/li>\n<\/ul>\n<p>2. Electrical Parameters (Mainstream Specifications)<\/p>\n<ul>\n<li>Rated capacity: 50 ~ 3150 kVA<\/li>\n<li>High-voltage rating: 6 kV \/ 10 kV<\/li>\n<li>Low-voltage rating: 1140 V \/ 690 V \/ 400 V<\/li>\n<li>Frequency: 50 Hz<\/li>\n<li>Phase number: 3-phase<\/li>\n<li>Cooling method: Dry-type natural cooling (AN\/AN)<\/li>\n<li>Insulation class: Class H (heat resistance up to 180\u2103)<\/li>\n<li>Protection class: IP54 (dustproof, splash-proof)<\/li>\n<li>Short-circuit impedance: 4% ~ 6%<\/li>\n<li>Connection group: Yyn0 \/ Dyn11<\/li>\n<\/ul>\n<p>3. Environment &amp; Structure<\/p>\n<ul>\n<li>Altitude: Standard \u2264 1000 m; customized for high altitude (Qinghai\/Tibet) with capacity derating and enhanced insulation<\/li>\n<li>Ambient temperature: -20\u2103 ~ +40\u2103 (cold-resistant type required for high-altitude areas)<\/li>\n<li>Inclination: \u2264 15\u00b0<\/li>\n<li>Dimensions: L 4\u20135 m \u00d7 W 1.2\u20131.4 m \u00d7 H 1.6\u20131.8 m<\/li>\n<li>Weight: 3\u201312 tons (varies with capacity)<\/li>\n<\/ul>\n<p>4. Standard Safety Protections<\/p>\n<ul>\n<li>Short-circuit, overload, earth leakage, earth leakage lockout<\/li>\n<li>Over-voltage, under-voltage, over-temperature protection<\/li>\n<li>Electrical interlock for high and low voltage switches, power-off interlock when opening the cover<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<div class=\"e_richText-38 s_title clearfix saf-sa saf-sa-in saf-sa-down response-transition\">It is the core explosion-proof power supply equipment for underground coal mines (including high-altitude mines), specially designed for environments with explosion hazards from gas and coal dust.<\/div>\n<div class=\"e_container-23 s_layout response-transition\">\n<div class=\"cbox-23-0 p_item\">\n<p class=\"e_text-24 s_title saf-sa saf-sa-in saf-sa-down response-transition\">Category:<\/p>\n<\/div>\n<div class=\"cbox-23-1 p_item\">\n<div class=\"e_loop_sub-25 s_list response-transition\">\n<div class=\"cbox-25 p_loopItem\">\n<p class=\"e_text-26 s_title saf-sa saf-sa-in saf-sa-down response-transition\"><a href=\"https:\/\/en.hnjydq.com\/product\/24\/\" target=\"_self\">Power Transformer Series<\/a><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"e_container-72 s_layout response-transition\">\n<div class=\"cbox-72-0 p_item\">\n<p class=\"e_text-75 s_title saf-sa saf-sa-in saf-sa-down response-transition\">Keywords: Electrical Equipment<\/p>\n<\/div>\n<\/div>\n","protected":false},"featured_media":72,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[15],"product_tag":[],"class_list":["post-81","product","type-product","status-publish","has-post-thumbnail","product_cat-industrial-automation-solutions","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/honest-control.com\/index.php\/wp-json\/wp\/v2\/product\/81","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/honest-control.com\/index.php\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/honest-control.com\/index.php\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/honest-control.com\/index.php\/wp-json\/wp\/v2\/comments?post=81"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/honest-control.com\/index.php\/wp-json\/wp\/v2\/media\/72"}],"wp:attachment":[{"href":"https:\/\/honest-control.com\/index.php\/wp-json\/wp\/v2\/media?parent=81"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/honest-control.com\/index.php\/wp-json\/wp\/v2\/product_brand?post=81"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/honest-control.com\/index.php\/wp-json\/wp\/v2\/product_cat?post=81"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/honest-control.com\/index.php\/wp-json\/wp\/v2\/product_tag?post=81"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}