{"id":3275,"date":"2026-09-19T10:10:49","date_gmt":"2026-09-19T10:10:49","guid":{"rendered":"https:\/\/voltnexpower.com\/?post_type=product&#038;p=3275"},"modified":"2026-09-19T12:25:53","modified_gmt":"2026-09-19T12:25:53","slug":"bk-series-high-capacity-industrial-control-transformer","status":"publish","type":"product","link":"https:\/\/voltnexpower.com\/nl\/manufacturer\/bk-series-high-capacity-industrial-control-transformer\/","title":{"rendered":"BK Series High Capacity Industrial Control Transformer"},"content":{"rendered":"<p class=\"isSelectedEnd\">The <a href=\"https:\/\/voltnexpower.com\/nl\/bk-series-industrial-control-transformer\/\"><strong>BK Series High Capacity Industrial Control Transformer<\/strong> <\/a>is designed for industrial equipment and electrical systems that require higher-capacity auxiliary, control, isolation or step-down power. With capacities from <strong>500VA to 100KVA<\/strong>, the BK Series provides a flexible power solution for large machine tools, CNC production lines, industrial automation systems, control cabinets, motor control equipment and electrical distribution applications.<\/p>\n<p class=\"isSelectedEnd\">Manufactured by <strong>Voltnex Power<\/strong>, these <a href=\"https:\/\/voltnexpower.com\/nl\/industrial-control-transformers-for-machine-tools-lighting-systems-electrical-control-applications\/\">dry type control transformers<\/a> can be customized according to primary voltage, secondary voltage, capacity, phase, winding configuration, insulation class and mechanical dimensions. The transformer can be supplied for OEM equipment manufacturing, industrial control projects, electrical panel integration and wholesale applications.<\/p>\n<h2>High Capacity Industrial Control Power<\/h2>\n<p class=\"isSelectedEnd\">Compared with conventional small control transformers, the high-capacity BK Series is designed for applications with larger auxiliary and control power requirements. It can provide isolated or transformed power for multiple control circuits, contactors, relays, PLC systems, motors, solenoid valves, indicators and other industrial electrical loads.<\/p>\n<p class=\"isSelectedEnd\">The transformer can be configured as a <strong>single-phase or three-phase control transformer<\/strong>, with 1:1 isolation, step-up or step-down voltage ratios according to the electrical system requirements.<\/p>\n<h2>Key Features<\/h2>\n<ul data-spread=\"false\">\n<li><strong>500VA\u2013100KVA Capacity:<\/strong> Suitable for higher-power industrial control and auxiliary power applications.<\/li>\n<li><strong>Single or Three Phase:<\/strong> Flexible configurations for different industrial electrical systems.<\/li>\n<li><strong>Multiple Voltage Options:<\/strong> Available for common industrial input and output voltages with customized configurations.<\/li>\n<li><strong>Dry Type Construction:<\/strong> Air-cooled design without liquid insulation, suitable for indoor industrial installations.<\/li>\n<li><strong>Reliable Electrical Isolation:<\/strong> Helps separate control circuits from the primary power supply according to the required transformer configuration.<\/li>\n<li><strong>Custom Windings:<\/strong> Copper or aluminum winding options according to project requirements.<\/li>\n<li><strong>Flexible Insulation:<\/strong> Class F or Class H insulation configurations available.<\/li>\n<li><strong>OEM &amp; ODM Manufacturing:<\/strong> Customized electrical and mechanical designs for industrial equipment manufacturers.<\/li>\n<li><strong>Factory Direct Supply:<\/strong> Manufactured by Voltnex Power for distributors, system integrators and industrial customers worldwide.<\/li>\n<\/ul>\n<h2>Technical Specifications<\/h2>\n\n<p><!-- HTML & Inline CSS Table Component (Full Width with Vertical Dividers) --><\/p>\n<div style=\"width: 100%; max-width: 100%; margin: 20px 0; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif; box-shadow: 0 4px 12px rgba(0,0,0,0.05); border-radius: 8px; overflow: hidden; border: 1px solid #e5e7eb;\">\n<div style=\"overflow-x: auto; width: 100%;\">\n<table style=\"width: 100%; border-collapse: collapse; text-align: left; background-color: #ffffff; font-size: 14px; line-height: 1.5; color: #374151;\">\n<thead>\n<tr style=\"background-color: #1e293b; color: #ffffff;\">\n<th style=\"padding: 14px 20px; font-weight: 600; text-transform: uppercase; font-size: 13px; letter-spacing: 0.05em; width: 35%; border-bottom: 2px solid #0f172a; border-right: 1px solid #334155;\">Item<\/th>\n<th style=\"padding: 14px 20px; font-weight: 600; text-transform: uppercase; font-size: 13px; letter-spacing: 0.05em; width: 65%; border-bottom: 2px solid #0f172a;\">Specification<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"border-bottom: 1px solid #e5e7eb; transition: background-color 0.2s ease;\">\n<td style=\"padding: 14px 20px; font-weight: 600; color: #0f172a; border-right: 1px solid #e5e7eb;\">Product Type<\/td>\n<td style=\"padding: 14px 20px; color: #4b5563;\">High Capacity Industrial Control Transformer<\/td>\n<\/tr>\n<tr style=\"border-bottom: 1px solid #e5e7eb; background-color: #f9fafb; transition: background-color 0.2s ease;\">\n<td style=\"padding: 14px 20px; font-weight: 600; color: #0f172a; border-right: 1px solid #e5e7eb;\">Series<\/td>\n<td style=\"padding: 14px 20px; color: #4b5563;\">BK<\/td>\n<\/tr>\n<tr style=\"border-bottom: 1px solid #e5e7eb; transition: background-color 0.2s ease;\">\n<td style=\"padding: 14px 20px; font-weight: 600; color: #0f172a; border-right: 1px solid #e5e7eb;\">Rated Capacity<\/td>\n<td style=\"padding: 14px 20px; color: #4b5563;\">500VA\u2013100KVA \/ Customized<\/td>\n<\/tr>\n<tr style=\"border-bottom: 1px solid #e5e7eb; background-color: #f9fafb; transition: background-color 0.2s ease;\">\n<td style=\"padding: 14px 20px; font-weight: 600; color: #0f172a; border-right: 1px solid #e5e7eb;\">Phase<\/td>\n<td style=\"padding: 14px 20px; color: #4b5563;\">Single Phase \/ Three Phase<\/td>\n<\/tr>\n<tr style=\"border-bottom: 1px solid #e5e7eb; transition: background-color 0.2s ease;\">\n<td style=\"padding: 14px 20px; font-weight: 600; color: #0f172a; border-right: 1px solid #e5e7eb;\">Input Voltage<\/td>\n<td style=\"padding: 14px 20px; color: #4b5563;\">220V \/ 380V \/ 400V \/ 415V \/ 440V \/ 480V \/ 600V AC<\/td>\n<\/tr>\n<tr style=\"border-bottom: 1px solid #e5e7eb; background-color: #f9fafb; transition: background-color 0.2s ease;\">\n<td style=\"padding: 14px 20px; font-weight: 600; color: #0f172a; border-right: 1px solid #e5e7eb;\">Output Voltage<\/td>\n<td style=\"padding: 14px 20px; color: #4b5563;\">12V \/ 24V \/ 36V \/ 110V \/ 220V \/ Customized<\/td>\n<\/tr>\n<tr style=\"border-bottom: 1px solid #e5e7eb; transition: background-color 0.2s ease;\">\n<td style=\"padding: 14px 20px; font-weight: 600; color: #0f172a; border-right: 1px solid #e5e7eb;\">Voltage Ratio<\/td>\n<td style=\"padding: 14px 20px; color: #4b5563;\">1:1 \/ Step-Up \/ Step-Down<\/td>\n<\/tr>\n<tr style=\"border-bottom: 1px solid #e5e7eb; background-color: #f9fafb; transition: background-color 0.2s ease;\">\n<td style=\"padding: 14px 20px; font-weight: 600; color: #0f172a; border-right: 1px solid #e5e7eb;\">Frequency<\/td>\n<td style=\"padding: 14px 20px; color: #4b5563;\">50Hz \/ 60Hz<\/td>\n<\/tr>\n<tr style=\"border-bottom: 1px solid #e5e7eb; transition: background-color 0.2s ease;\">\n<td style=\"padding: 14px 20px; font-weight: 600; color: #0f172a; border-right: 1px solid #e5e7eb;\">Winding<\/td>\n<td style=\"padding: 14px 20px; color: #4b5563;\">Copper \/ Aluminum<\/td>\n<\/tr>\n<tr style=\"border-bottom: 1px solid #e5e7eb; background-color: #f9fafb; transition: background-color 0.2s ease;\">\n<td style=\"padding: 14px 20px; font-weight: 600; color: #0f172a; border-right: 1px solid #e5e7eb;\">Cooling<\/td>\n<td style=\"padding: 14px 20px; color: #4b5563;\">Dry Air Cooling<\/td>\n<\/tr>\n<tr style=\"border-bottom: 1px solid #e5e7eb; transition: background-color 0.2s ease;\">\n<td style=\"padding: 14px 20px; font-weight: 600; color: #0f172a; border-right: 1px solid #e5e7eb;\">Insulation Class<\/td>\n<td style=\"padding: 14px 20px; color: #4b5563;\">F \/ H<\/td>\n<\/tr>\n<tr style=\"border-bottom: 1px solid #e5e7eb; background-color: #f9fafb; transition: background-color 0.2s ease;\">\n<td style=\"padding: 14px 20px; font-weight: 600; color: #0f172a; border-right: 1px solid #e5e7eb;\">Mounting<\/td>\n<td style=\"padding: 14px 20px; color: #4b5563;\">Base Mounting \/ Panel Mounting \/ Customized<\/td>\n<\/tr>\n<tr style=\"background-color: #ffffff; transition: background-color 0.2s ease;\">\n<td style=\"padding: 14px 20px; font-weight: 600; color: #0f172a; border-right: 1px solid #e5e7eb;\">Application<\/td>\n<td style=\"padding: 14px 20px; color: #4b5563;\">Industrial Control, Auxiliary Power, Machinery and Automation<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n\n<h2>Applications<\/h2>\n<p class=\"isSelectedEnd\">The BK Series High Capacity Industrial Control Transformer can be integrated into a wide range of industrial electrical systems, including:<\/p>\n<ul data-spread=\"false\">\n<li>Large CNC machines and machine tools<\/li>\n<li>Industrial automation production lines<\/li>\n<li>Electrical control cabinets<\/li>\n<li>Motor control systems<\/li>\n<li>PLC and relay control systems<\/li>\n<li>Contactors and starter circuits<\/li>\n<li>Conveyor and material handling equipment<\/li>\n<li>Robotic automation systems<\/li>\n<li>Manufacturing machinery<\/li>\n<li>Industrial auxiliary power systems<\/li>\n<li>OEM electrical equipment<\/li>\n<li>Custom industrial control panels<\/li>\n<\/ul>\n<p class=\"isSelectedEnd\">For systems with multiple control circuits or higher auxiliary power requirements, the <a href=\"https:\/\/voltnexpower.com\/nl\/industrial-dry-type-isolation-transformers-custom-manufacturer-factory\/\">transformer<\/a> can be configured with suitable capacity and multiple secondary windings to meet the equipment&#8217;s electrical architecture.<\/p>\n<p><a href=\"https:\/\/voltnexpower.com\/nl\/manufacturer\/bk-series-open-type-dry-type-control-transformer\/\"><span style=\"font-size: 130%;\">Read More\uff1aBK Series Open Type Dry Type Control Transformer<\/span><\/a><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-3278\" src=\"https:\/\/voltnexpower.com\/wp-content\/uploads\/2026\/09\/BK-Series-High-Capacity-Dry-Type-Control-Transformer-for-Industrial-Electrical-Control-Cabinet-CNC-Machinery-PLC-Automation-and-Auxiliary-Power-Systems.webp\" alt=\"BK Series High Capacity Dry Type Control Transformer for Industrial Electrical Control Cabinets CNC Machinery PLC and Automation Systems\" width=\"900\" height=\"600\" srcset=\"https:\/\/voltnexpower.com\/wp-content\/uploads\/2026\/09\/BK-Series-High-Capacity-Dry-Type-Control-Transformer-for-Industrial-Electrical-Control-Cabinet-CNC-Machinery-PLC-Automation-and-Auxiliary-Power-Systems.webp 900w, https:\/\/voltnexpower.com\/wp-content\/uploads\/2026\/09\/BK-Series-High-Capacity-Dry-Type-Control-Transformer-for-Industrial-Electrical-Control-Cabinet-CNC-Machinery-PLC-Automation-and-Auxiliary-Power-Systems-300x200.webp 300w, https:\/\/voltnexpower.com\/wp-content\/uploads\/2026\/09\/BK-Series-High-Capacity-Dry-Type-Control-Transformer-for-Industrial-Electrical-Control-Cabinet-CNC-Machinery-PLC-Automation-and-Auxiliary-Power-Systems-768x512.webp 768w, https:\/\/voltnexpower.com\/wp-content\/uploads\/2026\/09\/BK-Series-High-Capacity-Dry-Type-Control-Transformer-for-Industrial-Electrical-Control-Cabinet-CNC-Machinery-PLC-Automation-and-Auxiliary-Power-Systems-18x12.webp 18w, https:\/\/voltnexpower.com\/wp-content\/uploads\/2026\/09\/BK-Series-High-Capacity-Dry-Type-Control-Transformer-for-Industrial-Electrical-Control-Cabinet-CNC-Machinery-PLC-Automation-and-Auxiliary-Power-Systems-600x400.webp 600w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><\/p>\n<h2>Customized Industrial Transformer Solutions<\/h2>\n<p class=\"isSelectedEnd\">Voltnex Power provides customized BK Series control transformers for equipment manufacturers and industrial electrical projects. Customization can include:<\/p>\n<ul data-spread=\"false\">\n<li>Rated capacity<\/li>\n<li>Primary and secondary voltage<\/li>\n<li>Single-phase or three-phase configuration<\/li>\n<li>50Hz or 60Hz frequency<\/li>\n<li>Step-up, step-down or 1:1 isolation ratio<\/li>\n<li>Copper or aluminum windings<\/li>\n<li>Class F or Class H insulation<\/li>\n<li>Multiple secondary windings<\/li>\n<li>Terminal configuration<\/li>\n<li>Mounting dimensions<\/li>\n<li>Enclosure or protective configuration<\/li>\n<li>Nameplate and electrical labeling<\/li>\n<\/ul>\n<p class=\"isSelectedEnd\">These options allow the BK Series to be adapted to different machine designs, control cabinets and industrial power systems.<\/p>\n<h2>Why Choose Voltnex BK Series?<\/h2>\n<p class=\"isSelectedEnd\">The BK Series combines <strong>high-capacity industrial control power, dry type construction and flexible customization<\/strong> in one transformer platform. It is suitable for applications where reliable auxiliary and control voltage is required without using a conventional oil-filled transformer.<\/p>\n<p class=\"isSelectedEnd\">As a China-based transformer manufacturer, <strong>Voltnex Power<\/strong> supports OEM and ODM projects from electrical design and transformer manufacturing to customized mechanical configurations and bulk supply. Customers can request transformer specifications based on their equipment voltage, load capacity, control circuit and installation requirements.<\/p>\n<p class=\"isSelectedEnd\">Whether used for a large CNC machine, automated production line, industrial control cabinet or customized electrical system, the BK Series provides a scalable solution for industrial control and auxiliary power requirements.<\/p>\n<h2>Factory Direct OEM &amp; Wholesale Supply<\/h2>\n<p class=\"isSelectedEnd\">Voltnex Power supplies BK Series industrial control transformers directly from China for <strong>OEM manufacturers, electrical panel builders, automation integrators, distributors and industrial customers<\/strong>.<\/p>\n<p class=\"isSelectedEnd\">Custom capacity, voltage, winding, insulation and mounting configurations are available for project-specific requirements.<\/p>\n<p><strong>Contact Voltnex Power for BK Series high-capacity industrial control transformer specifications, datasheets and customized quotations.<\/strong><\/p>\n\n<div class=\"wpcf7 no-js\" id=\"wpcf7-f280-o1\" lang=\"en-US\" dir=\"ltr\" data-wpcf7-id=\"280\">\n<div class=\"screen-reader-response\"><p role=\"status\" aria-live=\"polite\" aria-atomic=\"true\"><\/p> <ul><\/ul><\/div>\n<form action=\"\/nl\/wp-json\/wp\/v2\/product\/3275#wpcf7-f280-o1\" method=\"post\" class=\"wpcf7-form init\" aria-label=\"Contact form\" novalidate=\"novalidate\" data-status=\"init\" data-trp-original-action=\"\/nl\/wp-json\/wp\/v2\/product\/3275#wpcf7-f280-o1\">\n<fieldset class=\"hidden-fields-container\"><input type=\"hidden\" name=\"_wpcf7\" value=\"280\" \/><input type=\"hidden\" name=\"_wpcf7_version\" value=\"6.1.7\" \/><input type=\"hidden\" name=\"_wpcf7_locale\" value=\"en_US\" \/><input type=\"hidden\" name=\"_wpcf7_unit_tag\" value=\"wpcf7-f280-o1\" \/><input type=\"hidden\" name=\"_wpcf7_container_post\" value=\"0\" \/><input type=\"hidden\" name=\"_wpcf7_posted_data_hash\" value=\"\" \/>\n<\/fieldset>\n<div 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class=\"wpcf7-form-control wpcf7-submit has-spinner\" type=\"submit\" value=\"Send Message\" \/>\n\t<\/p>\n<\/div><div class=\"wpcf7-response-output\" aria-hidden=\"true\"><\/div>\n<input type=\"hidden\" name=\"trp-form-language\" value=\"nl\"\/><\/form>\n<\/div>","protected":false},"excerpt":{"rendered":"<p class=\"isSelectedEnd\"><span class=\"text-token-text-primary cursor-text rounded-sm\" data-placeholder-token=\"true\">[KEY TECHNICAL SPECIFICATIONS]<\/span><\/p>\n<p class=\"isSelectedEnd\">\u2022 Capacity: 500VA\u2013100KVA \/ Customized \u2022 Input Voltage: 220V \/ 380V \/ 400V \/ 415V \/ 440V \/ 480V \/ 600V AC \u2022 Output Voltage: 12V \/ 24V \/ 36V \/ 110V \/ 220V \/ Customized \u2022 Phase: Single Phase \/ Three Phase \u2022 Voltage Ratio: 1:1 \/ Step-Up \/ Step-Down \u2022 Frequency: 50Hz \/ 60Hz \u2022 Cooling: Dry Air Cooling \u2022 Insulation Class: F \/ H<\/p>\n<p class=\"isSelectedEnd\"><span class=\"text-token-text-primary cursor-text rounded-sm\" data-placeholder-token=\"true\">[WHY CHOOSE VOLTNEX BK SERIES HIGH CAPACITY INDUSTRIAL CONTROL TRANSFORMER?]<\/span><\/p>\n<p class=\"isSelectedEnd\"><a href=\"https:\/\/s.w.org\/images\/core\/emoji\/17.0.2\/svg\/26a1.svg\">\u26a1<\/a> <strong>Reliable High Capacity Power:<\/strong> Designed for industrial machinery, CNC equipment, automation systems and high-power control cabinets.<\/p>\n<p class=\"isSelectedEnd\"><a href=\"https:\/\/s.w.org\/images\/core\/emoji\/17.0.2\/svg\/1f6e1.svg\">\ud83d\udee1\ufe0f<\/a> <strong>Safe Dry Type Design:<\/strong> Provides stable auxiliary power and electrical isolation for demanding industrial control systems.<\/p>\n<p class=\"isSelectedEnd\"><a href=\"https:\/\/s.w.org\/images\/core\/emoji\/17.0.2\/svg\/1f527.svg\">\ud83d\udd27<\/a> <strong>Fully Customizable:<\/strong> Custom voltage, capacity, winding, terminal, mounting and dimensional options.<\/p>\n<p class=\"isSelectedEnd\"><a href=\"https:\/\/s.w.org\/images\/core\/emoji\/17.0.2\/svg\/2705.svg\">\u2705<\/a> <strong>Factory Direct Quality:<\/strong> Manufactured by Voltnex Power with IEC-based design and OEM\/ODM capability.<\/p>\n<p class=\"isSelectedEnd\"><a href=\"https:\/\/s.w.org\/images\/core\/emoji\/17.0.2\/svg\/1f30e.svg\">\ud83c\udf0e<\/a> <strong>Global Industrial Solution:<\/strong> Custom configurations for machinery manufacturers, automation integrators and industrial customers worldwide.<\/p>\n<p class=\"isSelectedEnd\"><span class=\"text-token-text-primary cursor-text rounded-sm\" data-placeholder-token=\"true\">[OUR COMMITMENT TO YOU]<\/span><\/p>\n<p><a href=\"https:\/\/s.w.org\/images\/core\/emoji\/17.0.2\/svg\/1f4e6.svg\">\ud83d\udce6<\/a> <strong>Global Fast Shipping<\/strong> | <a href=\"https:\/\/s.w.org\/images\/core\/emoji\/17.0.2\/svg\/1f4de.svg\">\ud83d\udcde<\/a> <strong>24\/7 Technical Support<\/strong> | <a href=\"https:\/\/s.w.org\/images\/core\/emoji\/17.0.2\/svg\/1f4c4.svg\">\ud83d\udcc4<\/a> <strong>Datasheet Available upon Request<\/strong><\/p>\n","protected":false},"featured_media":3277,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[230,15],"product_tag":[478,480,476,479,460,123,470,482,481,48],"class_list":["post-3275","product","type-product","status-publish","has-post-thumbnail","product_cat-isolation-transformers","product_cat-products","product_tag-bk-series-transformer","product_tag-control-transformer","product_tag-electrical-control-transformer","product_tag-high-capacity-control-transformer","product_tag-industrial-control-transformer","product_tag-industrial-transformer","product_tag-machine-tool-transformer","product_tag-power-control-transformer","product_tag-three-phase-control-transformer","product_tag-voltnex-power","first","instock","shipping-taxable","product-type-simple"],"yoast_head":"<!-- This site is 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