{"id":34593,"date":"2026-07-28T14:30:18","date_gmt":"2026-07-28T07:30:18","guid":{"rendered":"https:\/\/kawasan.vn\/?post_type=product&#038;p=34593"},"modified":"2026-08-25T13:29:13","modified_gmt":"2026-08-25T06:29:13","slug":"tu-dieu-khien-tu-xa-4g-4-kenh-cong-suat-cao-sk04-4g-4x25a","status":"publish","type":"product","link":"https:\/\/kawasan.vn\/en\/product\/tu-dieu-khien-tu-xa-4g-4-kenh-cong-suat-cao-sk04-4g-4x25a\/","title":{"rendered":"SK04-4G-4x25A High-Power 4-Channel 4G Remote Control Cabinet"},"content":{"rendered":"<h2><span class=\"ez-toc-section\" id=\"Gioi_thieu_san_pham\"><\/span>Product Introduction<span class=\"ez-toc-section-end\"><\/span><\/h2><div id=\"ez-toc-container\" class=\"ez-toc-v2_0_69_1 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" >N\u1ed9i Dung B&agrave;i Vi\u1ebft<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/kawasan.vn\/en\/product\/tu-dieu-khien-tu-xa-4g-4-kenh-cong-suat-cao-sk04-4g-4x25a\/#Gioi_thieu_san_pham\" title=\"Product Introduction\">Product Introduction<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/kawasan.vn\/en\/product\/tu-dieu-khien-tu-xa-4g-4-kenh-cong-suat-cao-sk04-4g-4x25a\/#Tinh_nang_noi_bat\" title=\"Key Features\">Key Features<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/kawasan.vn\/en\/product\/tu-dieu-khien-tu-xa-4g-4-kenh-cong-suat-cao-sk04-4g-4x25a\/#Dieu_khien_4_kenh_hoan_toan_doc_lap\" title=\"Fully Independent 4-Channel Control\">Fully Independent 4-Channel Control<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/kawasan.vn\/en\/product\/tu-dieu-khien-tu-xa-4g-4-kenh-cong-suat-cao-sk04-4g-4x25a\/#Dieu_khien_qua_SIM_4G_khong_can_WiFi\" title=\"4G SIM Control, No Wi-Fi Required\">4G SIM Control, No Wi-Fi Required<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/kawasan.vn\/en\/product\/tu-dieu-khien-tu-xa-4g-4-kenh-cong-suat-cao-sk04-4g-4x25a\/#Hai_phuong_thuc_dieu_khien_tu_xa\" title=\"Two Remote Control Methods\">Two Remote Control Methods<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/kawasan.vn\/en\/product\/tu-dieu-khien-tu-xa-4g-4-kenh-cong-suat-cao-sk04-4g-4x25a\/#Cong_suat_cao_25A_cho_tung_kenh\" title=\"High Power 25A for Each Channel\">High Power 25A for Each Channel<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/kawasan.vn\/en\/product\/tu-dieu-khien-tu-xa-4g-4-kenh-cong-suat-cao-sk04-4g-4x25a\/#Hen_gio_rieng_cho_tung_thiet_bi\" title=\"Separate Timer for Each Device\">Separate Timer for Each Device<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/kawasan.vn\/en\/product\/tu-dieu-khien-tu-xa-4g-4-kenh-cong-suat-cao-sk04-4g-4x25a\/#Chia_se_quyen_dieu_khien\" title=\"Control Sharing\">Control Sharing<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/kawasan.vn\/en\/product\/tu-dieu-khien-tu-xa-4g-4-kenh-cong-suat-cao-sk04-4g-4x25a\/#Dieu_khien_truc_tiep_tai_tu\" title=\"Direct Control at the Cabinet\">Direct Control at the Cabinet<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/kawasan.vn\/en\/product\/tu-dieu-khien-tu-xa-4g-4-kenh-cong-suat-cao-sk04-4g-4x25a\/#Thong_so_ky_thuat\" title=\"Specifications\">Specifications<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/kawasan.vn\/en\/product\/tu-dieu-khien-tu-xa-4g-4-kenh-cong-suat-cao-sk04-4g-4x25a\/#Cau_hinh_tu_de_xuat\" title=\"Recommended Cabinet Configuration\">Recommended Cabinet Configuration<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/kawasan.vn\/en\/product\/tu-dieu-khien-tu-xa-4g-4-kenh-cong-suat-cao-sk04-4g-4x25a\/#Nguyen_ly_hoat_dong\" title=\"Operating principle\">Operating principle<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/kawasan.vn\/en\/product\/tu-dieu-khien-tu-xa-4g-4-kenh-cong-suat-cao-sk04-4g-4x25a\/#Ung_dung_thuc_te\" title=\"Practical Applications\">Practical Applications<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/kawasan.vn\/en\/product\/tu-dieu-khien-tu-xa-4g-4-kenh-cong-suat-cao-sk04-4g-4x25a\/#Dieu_khien_he_thong_bom_tuoi\" title=\"Irrigation Pump System Control\">Irrigation Pump System Control<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/kawasan.vn\/en\/product\/tu-dieu-khien-tu-xa-4g-4-kenh-cong-suat-cao-sk04-4g-4x25a\/#Dieu_khien_thiet_bi_ao_nuoi\" title=\"Aquaculture Equipment Control\">Aquaculture Equipment Control<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/kawasan.vn\/en\/product\/tu-dieu-khien-tu-xa-4g-4-kenh-cong-suat-cao-sk04-4g-4x25a\/#Dieu_khien_tai_nha_vuon_va_trang_trai\" title=\"Control for Gardens and Farms\">Control for Gardens and Farms<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/kawasan.vn\/en\/product\/tu-dieu-khien-tu-xa-4g-4-kenh-cong-suat-cao-sk04-4g-4x25a\/#Dieu_khien_may_bom_rua_xe\" title=\"Car Wash Pump Control\">Car Wash Pump Control<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/kawasan.vn\/en\/product\/tu-dieu-khien-tu-xa-4g-4-kenh-cong-suat-cao-sk04-4g-4x25a\/#Dieu_khien_he_thong_chieu_sang\" title=\"Lighting System Control\">Lighting System Control<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/kawasan.vn\/en\/product\/tu-dieu-khien-tu-xa-4g-4-kenh-cong-suat-cao-sk04-4g-4x25a\/#Uu_diem_cua_phien_ban_4G_so_voi_WiFi\" title=\"Advantages of the 4G Version Compared with Wi-Fi\">Advantages of the 4G Version Compared with Wi-Fi<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/kawasan.vn\/en\/product\/tu-dieu-khien-tu-xa-4g-4-kenh-cong-suat-cao-sk04-4g-4x25a\/#Luu_y_khi_su_dung\" title=\"Notes When Using\">Notes When Using<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/kawasan.vn\/en\/product\/tu-dieu-khien-tu-xa-4g-4-kenh-cong-suat-cao-sk04-4g-4x25a\/#Mo_ta_ngan\" title=\"Short Description\">Short Description<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/kawasan.vn\/en\/product\/tu-dieu-khien-tu-xa-4g-4-kenh-cong-suat-cao-sk04-4g-4x25a\/#Mo_ta_ngan_gon_de_dang_danh_muc\" title=\"Short Description for Category Listing\">Short Description for Category Listing<\/a><\/li><\/ul><\/nav><\/div>\n\n<p>T\u1ee7 \u0111i\u1ec1u khi\u1ec3n t\u1eeb xa 4G 4 k\u00eanh SK04-4G-4x25A l\u00e0 gi\u1ea3i ph\u00e1p qu\u1ea3n l\u00fd \u0111\u1ed3ng th\u1eddi 4 m\u00e1y b\u01a1m ho\u1eb7c 4 thi\u1ebft b\u1ecb \u0111i\u1ec7n c\u00f4ng su\u1ea5t l\u1edbn ho\u00e0n to\u00e0n \u0111\u1ed9c l\u1eadp b\u1eb1ng smartphone.<\/p>\n<p>T\u1ee7 s\u1eed d\u1ee5ng b\u1ed9 \u0111i\u1ec1u khi\u1ec3n th\u00f4ng minh Kawasan SK04-4G, k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp v\u1edbi m\u1ea1ng di \u0111\u1ed9ng th\u00f4ng qua SIM. Nh\u1edd \u0111\u00f3, thi\u1ebft b\u1ecb kh\u00f4ng c\u1ea7n k\u1ebft n\u1ed1i WiFi v\u00e0 ph\u00f9 h\u1ee3p l\u1eafp \u0111\u1eb7t t\u1ea1i nh\u00e0 v\u01b0\u1eddn, trang tr\u1ea1i, ao nu\u00f4i ho\u1eb7c nh\u1eefng khu v\u1ef1c ch\u01b0a c\u00f3 s\u1eb5n m\u1ea1ng Internet c\u1ed1 \u0111\u1ecbnh.<\/p>\n<p>Ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 b\u1eadt ho\u1eb7c t\u1eaft thi\u1ebft b\u1ecb b\u1eb1ng tin nh\u1eafn SMS, \u0111\u1ed3ng th\u1eddi thi\u1ebft l\u1eadp l\u1ecbch ho\u1ea1t \u0111\u1ed9ng th\u00f4ng qua App Kawasan. B\u1ed9 \u0111i\u1ec1u khi\u1ec3n SK04-4G h\u1ed7 tr\u1ee3 m\u1ea1ng GPRS, 3G, 4G v\u00e0 LTE.<\/p>\n<p>M\u1ed7i k\u00eanh c\u1ee7a t\u1ee7 \u0111\u01b0\u1ee3c trang b\u1ecb b\u1ed9 \u0111\u00f3ng c\u1eaft c\u00f4ng su\u1ea5t 25A ri\u00eang, ph\u00f9 h\u1ee3p \u0111i\u1ec1u khi\u1ec3n m\u00e1y b\u01a1m m\u1ed9t pha c\u00f3 c\u00f4ng su\u1ea5t d\u01b0\u1edbi 3HP\/k\u00eanh. Vi\u1ec7c s\u1eed d\u1ee5ng kh\u1edfi \u0111\u1ed9ng t\u1eeb gi\u00fap d\u00f2ng \u0111i\u1ec7n c\u1ee7a m\u00e1y b\u01a1m kh\u00f4ng \u0111i tr\u1ef1c ti\u1ebfp qua b\u1ed9 \u0111i\u1ec1u khi\u1ec3n SK04-4G, ph\u00f9 h\u1ee3p h\u01a1n v\u1edbi t\u1ea3i \u0111\u1ed9ng c\u01a1 c\u00f3 d\u00f2ng kh\u1edfi \u0111\u1ed9ng cao.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Tinh_nang_noi_bat\"><\/span>Key Features<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Dieu_khien_4_kenh_hoan_toan_doc_lap\"><\/span>Fully Independent 4-Channel Control<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>T\u1ee7 c\u00f3 4 ng\u00f5 ra ri\u00eang bi\u1ec7t. M\u1ed7i k\u00eanh c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i v\u1edbi m\u1ed9t m\u00e1y b\u01a1m ho\u1eb7c m\u1ed9t thi\u1ebft b\u1ecb \u0111i\u1ec7n kh\u00e1c nhau.<\/p>\n<p>Ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 b\u1eadt ho\u1eb7c t\u1eaft t\u1eebng k\u00eanh ri\u00eang m\u00e0 kh\u00f4ng l\u00e0m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00e1c k\u00eanh c\u00f2n l\u1ea1i.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Dieu_khien_qua_SIM_4G_khong_can_WiFi\"><\/span>4G SIM Control, No Wi-Fi Required<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>SK04-4G-4x25A kh\u00f4ng ph\u1ee5 thu\u1ed9c v\u00e0o b\u1ed9 ph\u00e1t WiFi t\u1ea1i c\u00f4ng tr\u00ecnh. Ng\u01b0\u1eddi d\u00f9ng ch\u1ec9 c\u1ea7n l\u1eafp SIM c\u00f3 s\u00f3ng di \u0111\u1ed9ng v\u00e0 \u0111\u0103ng k\u00fd g\u00f3i d\u1eef li\u1ec7u ph\u00f9 h\u1ee3p \u0111\u1ec3 s\u1eed d\u1ee5ng c\u00e1c ch\u1ee9c n\u0103ng \u0111i\u1ec1u khi\u1ec3n tr\u00ean App Kawasan.<\/p>\n<p>Gi\u1ea3i ph\u00e1p n\u00e0y \u0111\u1eb7c bi\u1ec7t ph\u00f9 h\u1ee3p v\u1edbi:<\/p>\n<ul>\n<li>Gardens far from residential areas.<\/li>\n<li>Farms without fixed Internet lines.<\/li>\n<li>Shrimp and fish ponds.<\/li>\n<li>Pump stations in open fields.<\/li>\n<li>Areas with mobile signal but no Wi-Fi.<\/li>\n<\/ul>\n<p>The SK04-4G can be installed in many different locations within mobile network coverage, without being limited by the range of a Wi-Fi router.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Hai_phuong_thuc_dieu_khien_tu_xa\"><\/span>Two Remote Control Methods<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Users can manage devices by:<\/p>\n<ul>\n<li>SMS messages to turn devices on or off.<\/li>\n<li>Kawasan App to set automatic operating schedules.<\/li>\n<\/ul>\n<p>SMS support gives users an additional control option in case the phone does not have a stable Internet connection.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Cong_suat_cao_25A_cho_tung_kenh\"><\/span>High Power 25A for Each Channel<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>M\u1ed7i k\u00eanh s\u1eed d\u1ee5ng m\u1ed9t kh\u1edfi \u0111\u1ed9ng t\u1eeb 25A ri\u00eang \u0111\u1ec3 th\u1ef1c hi\u1ec7n \u0111\u00f3ng c\u1eaft ngu\u1ed3n \u0111i\u1ec7n cho t\u1ea3i.<\/p>\n<p>T\u1ea3i khuy\u1ebfn ngh\u1ecb:<\/p>\n<ul>\n<li>Single-phase pumps under 3HP per channel.<\/li>\n<li>Fish pond aerators.<\/li>\n<li>Oxygen generators for aquaculture ponds.<\/li>\n<li>Exhaust fans and ventilation fans.<\/li>\n<li>Irrigation sprayers.<\/li>\n<li>High-power lighting systems.<\/li>\n<li>Electric valves or automatic irrigation devices.<\/li>\n<\/ul>\n<p>The actual pump capacity should be checked based on rated current, starting current, and the operating conditions of each motor.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Hen_gio_rieng_cho_tung_thiet_bi\"><\/span>Separate Timer for Each Device<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Users can set an operating schedule for each channel according to actual needs, for example:<\/p>\n<ul>\n<li>Channel 1 controls the irrigation pump for the fruit tree area.<\/li>\n<li>Channel 2 controls the irrigation pump for the vegetable area.<\/li>\n<li>Channel 3 controls the aquaculture pond aerator.<\/li>\n<li>Channel 4 controls the lighting system or ventilation fan.<\/li>\n<\/ul>\n<p>The timer function helps devices operate on schedule, reduces manual operation, and limits the risk of forgetting to turn off equipment.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Chia_se_quyen_dieu_khien\"><\/span>Control Sharing<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The device allows multiple members to join and manage the system together, suitable for families, farm staff, or technical operation teams.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Dieu_khien_truc_tiep_tai_tu\"><\/span>Direct Control at the Cabinet<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Ngo\u00e0i \u0111i\u1ec1u khi\u1ec3n qua smartphone, t\u1ee7 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf th\u00eam n\u00fat nh\u1ea5n tr\u1ef1c ti\u1ebfp cho t\u1eebng k\u00eanh. Ng\u01b0\u1eddi d\u00f9ng v\u1eabn c\u00f3 th\u1ec3 ch\u1ee7 \u0111\u1ed9ng b\u1eadt ho\u1eb7c t\u1eaft m\u00e1y t\u1ea1i ch\u1ed7 khi c\u1ea7n ki\u1ec3m tra, b\u1ea3o tr\u00ec ho\u1eb7c v\u1eadn h\u00e0nh th\u1ee7 c\u00f4ng.<\/p>\n<p>S\u1ed1 l\u01b0\u1ee3ng n\u00fat nh\u1ea5n v\u00e0 ch\u1ebf \u0111\u1ed9 \u0111i\u1ec1u khi\u1ec3n c\u1ea7n \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh theo c\u1ea5u h\u00ecnh t\u1ee7 th\u1ef1c t\u1ebf.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Thong_so_ky_thuat\"><\/span>Specifications<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li><strong>Product Name:<\/strong> High-power 4-channel 4G remote control cabinet.<\/li>\n<li><strong>Model:<\/strong> SK04-4G-4x25A.<\/li>\n<li><strong>Input Voltage:<\/strong> 110\u2013240VAC.<\/li>\n<li><strong>Output Voltage:<\/strong> 220VAC.<\/li>\n<li><strong>Number of Control Channels:<\/strong> 4 independent channels.<\/li>\n<li><strong>Connection:<\/strong> Mobile SIM.<\/li>\n<li><strong>Supported Bands:<\/strong> GPRS, 3G, 4G, LTE.<\/li>\n<li><strong>Control Application:<\/strong> App Kawasan.<\/li>\n<li><strong>SMS Control:<\/strong> YES<\/li>\n<li><strong>App Timer:<\/strong> YES<\/li>\n<li><strong>Power Switching Unit:<\/strong> 25A per channel.<\/li>\n<li><strong>Recommended Motor Load:<\/strong> Single-phase pumps under 3HP per channel.<\/li>\n<li><strong>Control Methods:<\/strong> Smartphone, SMS, and direct push buttons depending on configuration.<\/li>\n<li><strong>Installation Type:<\/strong> Fixed wall-mounted installation or installation in a technical area.<\/li>\n<li><strong>Control Range:<\/strong> Unlimited distance as long as the cabinet installation area has mobile signal and the phone has a suitable connection.<\/li>\n<\/ul>\n<p>The power supply, supported bands, application, and SMS control capability are based on the Kawasan SK04-4G controller. The original power capacity of the SK04-4G unit is 500W per channel. In the high-power cabinet version, the SK04-4G only acts as a command controller for the 25A contactors.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cau_hinh_tu_de_xuat\"><\/span>Recommended Cabinet Configuration<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>01 Kawasan SK04-4G controller using 4G SIM.<\/li>\n<li>04 25A contactors.<\/li>\n<li>04 protection devices for 4 outputs.<\/li>\n<li>01 main power switching and protection device.<\/li>\n<li>01 power supply or control power circuit according to design.<\/li>\n<li>Input and output terminal blocks.<\/li>\n<li>Internal power wires and control wires.<\/li>\n<li>Electrical cabinet enclosure for device protection.<\/li>\n<li>Signal antenna according to the controller configuration.<\/li>\n<li>Indicator lights and direct push buttons depending on the production version.<\/li>\n<\/ul>\n<p>The configuration of circuit breakers, contactors, thermal relays, push buttons, and cabinet size should be selected according to the pump capacity and the requirements of each project.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Nguyen_ly_hoat_dong\"><\/span>Operating principle<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>SIM \u0111\u01b0\u1ee3c l\u1eafp v\u00e0o b\u1ed9 \u0111i\u1ec1u khi\u1ec3n SK04-4G \u0111\u1ec3 thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i v\u1edbi m\u1ea1ng di \u0111\u1ed9ng.<\/p>\n<p>Khi ng\u01b0\u1eddi d\u00f9ng g\u1eedi l\u1ec7nh t\u1eeb \u0111i\u1ec7n tho\u1ea1i, SK04-4G s\u1ebd \u0111i\u1ec1u khi\u1ec3n ng\u00f5 ra t\u01b0\u01a1ng \u1ee9ng. Ng\u00f5 ra n\u00e0y c\u1ea5p t\u00edn hi\u1ec7u cho cu\u1ed9n h\u00fat c\u1ee7a kh\u1edfi \u0111\u1ed9ng t\u1eeb 25A.<\/p>\n<p>Kh\u1edfi \u0111\u1ed9ng t\u1eeb sau \u0111\u00f3 \u0111\u00f3ng ti\u1ebfp \u0111i\u1ec3m ch\u00ednh v\u00e0 c\u1ea5p \u0111i\u1ec7n cho m\u00e1y b\u01a1m ho\u1eb7c thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i. M\u1ed7i k\u00eanh c\u00f3 m\u1ed9t kh\u1edfi \u0111\u1ed9ng t\u1eeb ri\u00eang n\u00ean 4 t\u1ea3i c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng ho\u00e0n to\u00e0n \u0111\u1ed9c l\u1eadp.<\/p>\n<p>Nh\u1edd nguy\u00ean l\u00fd n\u00e0y, b\u1ed9 SK04-4G kh\u00f4ng ph\u1ea3i tr\u1ef1c ti\u1ebfp ch\u1ecbu d\u00f2ng \u0111i\u1ec7n l\u1edbn c\u1ee7a m\u00e1y b\u01a1m, gi\u00fap c\u1ea5u h\u00ecnh t\u1ee7 ph\u00f9 h\u1ee3p h\u01a1n v\u1edbi t\u1ea3i \u0111\u1ed9ng c\u01a1.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Ung_dung_thuc_te\"><\/span>Practical Applications<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Dieu_khien_he_thong_bom_tuoi\"><\/span>Irrigation Pump System Control<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The cabinet can control 4 pumps for 4 different irrigation areas. Users can actively turn pumps on\/off or schedule irrigation on their phone without going directly to the pump location.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Dieu_khien_thiet_bi_ao_nuoi\"><\/span>Aquaculture Equipment Control<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The product is suitable for controlling:<\/p>\n<ul>\n<li>Aerators.<\/li>\n<li>Oxygen generators.<\/li>\n<li>Water supply pumps.<\/li>\n<li>Drainage pumps.<\/li>\n<li>Circulation pumps.<\/li>\n<li>Lighting systems around aquaculture ponds.<\/li>\n<\/ul>\n<p>This is also one of the application groups recommended by Kawasan for the original SK04-4G controller.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Dieu_khien_tai_nha_vuon_va_trang_trai\"><\/span>Control for Gardens and Farms<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Users can remotely manage pumps, ventilation fans, misting systems, or lighting systems in areas without Wi-Fi.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Dieu_khien_may_bom_rua_xe\"><\/span>Car Wash Pump Control<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Each channel can be used to control one pump or one separate washing area, helping staff operate more conveniently.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Dieu_khien_he_thong_chieu_sang\"><\/span>Lighting System Control<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The cabinet can independently control garden lights, factory lights, showroom lights, advertising signs, or lighting systems in remote areas.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Uu_diem_cua_phien_ban_4G_so_voi_WiFi\"><\/span>Advantages of the 4G Version Compared with Wi-Fi<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>No need to install an additional Wi-Fi router at the cabinet location.<\/li>\n<li>Suitable for remote farms and gardens.<\/li>\n<li>Not limited by Wi-Fi coverage.<\/li>\n<li>Can be controlled by SMS.<\/li>\n<li>Flexible installation and relocation.<\/li>\n<li>Manages 4 devices on the same controller.<\/li>\n<li>Reduces the cost of installing fixed Internet lines at the project site.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Luu_y_khi_su_dung\"><\/span>Notes When Using<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>Install the SIM card in the correct direction according to the manufacturer\u2019s instructions.<\/li>\n<li>The SIM card must work properly, have signal, and have enough balance or data.<\/li>\n<li>The SIM PIN code should be disabled before inserting it into the device.<\/li>\n<li>Choose a mobile network provider with stable signal at the cabinet installation area.<\/li>\n<li>Do not install the cabinet inside a sealed metal box if it affects signal reception.<\/li>\n<li>The cabinet must be placed in a dry, well-ventilated location and protected from flooding.<\/li>\n<li>Suitable overload, short-circuit, and leakage protection devices should be installed.<\/li>\n<li>Check the rated current of each pump before wiring.<\/li>\n<li>Do not use beyond the designed capacity of each channel.<\/li>\n<li>Installation and wiring should be performed by a qualified electrical technician.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Mo_ta_ngan\"><\/span>Short Description<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>he SK04-4G-4x25A 4G remote control cabinet helps turn on, turn off, and schedule 4 independent electrical devices by smartphone without Wi-Fi. The cabinet uses a mobile SIM, supports control via SMS and the Kawasan App. Each channel is equipped with a 25A switching unit, suitable for controlling single-phase pumps under 3HP per channel, aerators, irrigation systems, fans, and high-power lights.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Mo_ta_ngan_gon_de_dang_danh_muc\"><\/span>Short Description for Category Listing<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>SK04-4G-4x25A<\/strong> is a 4-channel independent remote control cabinet using 4G SIM, no Wi-Fi required. The product supports on\/off control by smartphone, SMS messages, and timer settings through the Kawasan App. Each channel uses a 25A switching unit, suitable for single-phase pumps under 3HP per channel.<\/p>","protected":false},"excerpt":{"rendered":"<p>Gi\u1edbi thi\u1ec7u s\u1ea3n ph\u1ea9m T\u1ee7 \u0111i\u1ec1u khi\u1ec3n t\u1eeb xa 4G 4 k\u00eanh SK04-4G-4x25A l\u00e0 gi\u1ea3i ph\u00e1p qu\u1ea3n l\u00fd \u0111\u1ed3ng th\u1eddi 4 m\u00e1y b\u01a1m ho\u1eb7c 4 thi\u1ebft b\u1ecb \u0111i\u1ec7n c\u00f4ng su\u1ea5t l\u1edbn ho\u00e0n to\u00e0n \u0111\u1ed9c l\u1eadp b\u1eb1ng smartphone. T\u1ee7 s\u1eed d\u1ee5ng b\u1ed9 \u0111i\u1ec1u khi\u1ec3n th\u00f4ng minh Kawasan SK04-4G, k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp v\u1edbi m\u1ea1ng di \u0111\u1ed9ng [&hellip;]<\/p>","protected":false},"featured_media":35506,"comment_status":"open","ping_status":"closed","template":"","meta":{"_yoast_wpseo_focuskw":"T\u1ee7 \u0110i\u1ec1u Khi\u1ec3n Wifi C\u00f4ng Su\u1ea5t Cao","_yoast_wpseo_metadesc":"T\u1ee7 \u0110i\u1ec1u Khi\u1ec3n Wifi C\u00f4ng Su\u1ea5t Cao Kawasan SK02-WIFI ch\u00ednh h\u00e3ng (25A - 63A). Thi\u1ebft b\u1ecb b\u1eadt t\u1eaft m\u00e1y b\u01a1m, h\u1ec7 th\u1ed1ng t\u01b0\u1edbi t\u1ea3i l\u1edbn qua \u0111i\u1ec7n tho\u1ea1i. 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