{"id":8443,"date":"2026-06-16T17:15:15","date_gmt":"2026-06-16T17:15:15","guid":{"rendered":"https:\/\/www.yunrui-controls.com\/?p=8443"},"modified":"2026-06-16T17:15:15","modified_gmt":"2026-06-16T17:15:15","slug":"24v-dc-vs-220v-ac-instrument-power-supply-guide","status":"publish","type":"post","link":"https:\/\/www.yunrui-controls.com\/id\/24v-dc-vs-220v-ac-instrument-power-supply-guide\/","title":{"rendered":"Panduan Pemilihan Lengkap Catu Daya Instrumen 24V DC vs 220V AC"},"content":{"rendered":"<p>Memilih di antara <strong>Catu daya instrumen 24V DC dan 220V AC<\/strong> Pemilihan tegangan merupakan keputusan penting dalam otomatisasi industri. Tegangan yang salah dapat menimbulkan bahaya keselamatan, interferensi sinyal, atau kegagalan peralatan. Panduan ini menjelaskan kapan harus menggunakan 24V DC dibandingkan 220V AC untuk instrumen industri, dengan kriteria pemilihan praktis untuk aplikasi lapangan nyata.<\/p>\n<p>Navigasi Cepat: <a href=\"#comparison\">Perbandingan<\/a> | <a href=\"#24vdc-design\">Desain 24V DC<\/a> | <a href=\"#220vac-apps\">Aplikasi AC 220V<\/a> | <a href=\"#hazardous\">Daerah Berbahaya<\/a> | <a href=\"#selection\">Proses Seleksi<\/a> | <a href=\"#mistakes\">Kesalahan Umum<\/a><\/p>\n<h2 id=\"comparison\">1. 24V DC vs 220V AC: Perbedaan Utama<\/h2>\n<p>Pilihan antara 24V DC dan 220V AC bergantung pada persyaratan keselamatan, konsumsi daya, dan lingkungan pemasangan. Berikut perbandingan dasarnya:<\/p>\n<table style=\"width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 14px;\">\n<tbody>\n<tr style=\"background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: white;\">\n<th style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\">Fitur<\/th>\n<th style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\">24V DC<\/th>\n<th style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\">Tegangan AC 220V<\/th>\n<\/tr>\n<tr style=\"background: #f8f9ff;\">\n<td style=\"padding: 12px; border: 1px solid #ddd;\"><strong>\ud83d\udd12 Kelas Keselamatan<\/strong><\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">SELV (Tegangan Ekstra Rendah), risiko guncangan minimal<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">Tegangan berbahaya, memerlukan perlindungan isolasi.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px; border: 1px solid #ddd;\"><strong>\ud83d\udee1\ufe0f Keamanan Intrinsik<\/strong><\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">\u2705 Kompatibel dengan Ex ia\/ib (dengan penghalang pengaman)<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">\u274c Tidak kompatibel dengan keselamatan intrinsik<\/td>\n<\/tr>\n<tr style=\"background: #f8f9ff;\">\n<td style=\"padding: 12px; border: 1px solid #ddd;\"><strong>\ud83d\udce1 Gangguan Sinyal<\/strong><\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">\u2705 Tidak ada interferensi elektromagnetik 50Hz, aman untuk sinyal analog<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">\u26a0\ufe0f Menghasilkan medan magnet 50Hz, memerlukan pemisahan<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px; border: 1px solid #ddd;\"><strong>\ud83d\udd0c Lingkaran Dua Kawat<\/strong><\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">\u2705 Dukungan penuh untuk dua kabel 4-20mA<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">\u274c Tidak didukung, memerlukan daya dan sinyal terpisah<\/td>\n<\/tr>\n<tr style=\"background: #f8f9ff;\">\n<td style=\"padding: 12px; border: 1px solid #ddd;\"><strong>\u26a1 Rentang Daya<\/strong><\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">Daya rendah: pemancar, penentu posisi (&lt;1W tipikal)<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">Daya tinggi: penganalisis, pengukur aliran, pelacak panas (&gt;5W)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px; border: 1px solid #ddd;\"><strong>\ud83d\udccf Jarak Kabel<\/strong><\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">\u26a0\ufe0f Penurunan tegangan signifikan di luar jarak 300m<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">\u2705 Penurunan tegangan minimal, mampu menjangkau jarak jauh<\/td>\n<\/tr>\n<tr style=\"background: #f8f9ff;\">\n<td style=\"padding: 12px; border: 1px solid #ddd;\"><strong>\ud83c\udfd7\ufe0f Infrastruktur<\/strong><\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">Membutuhkan catu daya switching DC.<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">Langsung dari panel distribusi<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div style=\"background: linear-gradient(135deg, #ff6b6b 0%, #ee5a24 100%); color: white; padding: 15px; border-radius: 8px; margin: 20px 0;\">\n<p style=\"margin: 0; font-weight: bold;\">\u26a0\ufe0f Catatan Penting:<\/p>\n<p style=\"margin: 5px 0 0 0;\">Zona 0 area berbahaya (di dalam tangki, atmosfer eksplosif terus-menerus) HANYA mengizinkan tegangan 24V DC dengan penghalang keselamatan intrinsik. Tegangan 220V AC dilarang keras di Zona 0, terlepas dari metode perlindungan yang digunakan.<\/p>\n<\/div>\n<h2 id=\"24vdc-design\">2. Desain Sistem DC 24V<\/h2>\n<h3>\ud83d\udd27 2.1 Konfigurasi Catu Daya<\/h3>\n<p>Sistem DC 24V industri memerlukan rekayasa yang tepat. Untuk loop kritis dan sistem keselamatan SIS, catu daya redundan adalah wajib:<\/p>\n<ul>\n<li><strong>\ud83d\udd04 Redundansi N+1:<\/strong> Dua catu daya paralel memastikan pengoperasian berkelanjutan jika salah satunya mengalami kegagalan.<\/li>\n<li><strong>\ud83d\udcca Kualitas Daya:<\/strong> Catu daya kelas industri dengan riak &lt;50mV dan regulasi \u00b11%<\/li>\n<li><strong>\ud83d\udd0c Perlindungan Cabang:<\/strong> Sekering independen (1A\/2A) per kelompok sirkuit\u2014jangan pernah menghubungkan semua instrumen ke satu bus yang tidak terlindungi.<\/li>\n<li><strong>\ud83d\udd0b Cadangan UPS:<\/strong> Sistem SIS memerlukan catu daya tanpa gangguan dengan cadangan daya selama 30 menit atau lebih.<\/li>\n<\/ul>\n<h3>\ud83e\uddee 2.2 Perhitungan Penurunan Tegangan<\/h3>\n<p>Penurunan tegangan DC 24V pada kabel panjang dapat menyebabkan instrumen mati. Hitung sebelum pemasangan:<\/p>\n<div style=\"background: #f0f4ff; padding: 15px; border-radius: 8px; border-left: 4px solid #667eea; margin: 15px 0;\">\n<p style=\"margin: 0; font-weight: bold; color: #667eea;\">Rumus:<\/p>\n<p style=\"margin: 5px 0 0 0; font-family: monospace;\">\u0394V = I \u00d7 (\u03c1 \u00d7 2L \u00f7 S)<\/p>\n<\/div>\n<p><strong>Di mana:<\/strong><br \/>\n\u03c1 = 0,0172 \u03a9\u00b7mm\u00b2\/m (resistivitas tembaga)<br \/>\nL = jarak satu arah (m)<br \/>\nS = luas penampang kabel (mm\u00b2)<br \/>\nI = arus maksimum (A)<\/p>\n<p><strong>\ud83d\udccb Contoh:<\/strong> Jarak 300m, kabel 0,5mm\u00b2, pemancar 20mA<\/p>\n<ul>\n<li>Resistansi loop: R = 0,0172 \u00d7 600 \u00f7 0,5 = <strong>20,64 \u03a9<\/strong><\/li>\n<li>Penurunan tegangan: \u0394V = 0,020 \u00d7 20,64 = <strong>0,41V<\/strong><\/li>\n<li>Tegangan pada instrumen: 24V \u2013 0,41V = <strong>23,59V<\/strong> \u2705 (dapat diterima, minimal di atas 12V)<\/li>\n<\/ul>\n<p>Untuk jarak lebih dari 500m, verifikasi terhadap tegangan minimum instrumen termasuk penurunan tegangan pada penghalang keselamatan.<\/p>\n<h2 id=\"220vac-apps\">3. Skenario Aplikasi 220V AC<\/h2>\n<p>Tegangan AC 220V bukanlah sesuatu yang ketinggalan zaman\u2014itu adalah pilihan yang tepat untuk instrumentasi daya tinggi:<\/p>\n<h3>\ud83d\udd0c 3.1 Pengukur Aliran Elektromagnetik<\/h3>\n<p>Kumparan eksitasi menarik daya 5-20W, melebihi batas 480mW dari rangkaian dua kawat 4-20mA. Konfigurasi empat kawat dengan catu daya AC 220V independen adalah standar. <a href=\"https:\/\/www.yunrui-controls.com\/id\/brands\/rosemount\/\">Pengukur aliran magnetik Rosemount<\/a> Dan <a href=\"https:\/\/www.yunrui-controls.com\/id\/brands\/endress-hauser\/\">Seri Promag Endress+Hauser<\/a> Biasanya membutuhkan catu daya AC.<\/p>\n<h3>\ud83e\uddea 3.2 Penganalisis Online<\/h3>\n<p>Penganalisis pH, penganalisis oksigen, dan kromatograf mengandung modul pemanas, pompa sampel, dan tampilan yang mengkonsumsi daya 50-200W. Perangkat ini tidak dapat beroperasi dari tegangan DC 24V tanpa tingkat arus yang tidak praktis.<\/p>\n<h3>\ud83d\udd25 3.3 Pemanas Listrik Tracing<\/h3>\n<p>Instalasi di iklim dingin memerlukan saluran impuls dan penutup yang dipanaskan. Pemanasan jejak (heat tracing) merupakan beban resistif ratusan watt\u2014hanya tegangan AC 220V yang praktis.<\/p>\n<h3>\u2699\ufe0f 3.4 Aktuator Besar<\/h3>\n<p>Ketika <a href=\"https:\/\/www.yunrui-controls.com\/id\/products\/fisher-fieldvue-dvc6200\/\">Posisi Fisher DVC6200<\/a> Aktuator elektro-hidraulik dan katup solenoid daya tinggi yang menggunakan tegangan 24V DC dan penggerak motor memerlukan tegangan 220V AC.<\/p>\n<div style=\"background: linear-gradient(135deg, #feca57 0%, #ff9f43 100%); color: #333; padding: 15px; border-radius: 8px; margin: 20px 0;\">\n<p style=\"margin: 0; font-weight: bold;\">\u26a0\ufe0f Persyaratan Keselamatan:<\/p>\n<p style=\"margin: 5px 0 0 0;\">Hanya teknisi listrik berlisensi yang boleh memasang atau memelihara instrumentasi 220V AC. Kotak pelindung area berbahaya harus memiliki sertifikasi Ex d atau Ex e.<\/p>\n<\/div>\n<h2 id=\"hazardous\">4. Peraturan Pasokan Listrik di Area Berbahaya<\/h2>\n<table style=\"width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 14px;\">\n<tbody>\n<tr style=\"background: linear-gradient(135deg, #ff6b6b 0%, #ee5a24 100%); color: white;\">\n<th style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\">Jenis Perlindungan<\/th>\n<th style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\">Penandaan<\/th>\n<th style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\">Tegangan yang Diizinkan<\/th>\n<th style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\">Daerah<\/th>\n<\/tr>\n<tr style=\"background: #fff5f5;\">\n<td style=\"padding: 12px; border: 1px solid #ddd;\">\ud83d\udee1\ufe0f Keamanan Intrinsik<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\"><strong>Ex ia\/ib<\/strong><\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">\u2705 Hanya 24V DC (dengan penghalang pengaman)<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">Zona 0, 1, 2<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">\ud83d\udd25 Tahan api<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\"><strong>Ex d<\/strong><\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">24V DC atau 220V AC<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">Zona 1, 2<\/td>\n<\/tr>\n<tr style=\"background: #fff5f5;\">\n<td style=\"padding: 12px; border: 1px solid #ddd;\">\u26a1 Peningkatan Keamanan<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\"><strong>Ex e<\/strong><\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">24V DC atau 220V AC<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">Zona 1, 2<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">\ud83d\udca8 Bertekanan<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\"><strong>Ex p<\/strong><\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">Tegangan apa pun<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">Zona 1, 2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 id=\"selection\">5. Proses Pemilihan Catu Daya<\/h2>\n<p>Ikuti urutan ini untuk pemilihan tegangan yang tepat:<\/p>\n<div style=\"background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%); padding: 20px; border-radius: 10px; margin: 20px 0;\">\n<ol style=\"margin: 0; padding-left: 20px;\">\n<li><strong>\ud83d\udcd6 Periksa lembar data:<\/strong> Konfirmasikan rentang tegangan yang didukung instrumen dari pabrikan.<\/li>\n<li><strong>\ud83d\uddfa\ufe0f Tentukan zona:<\/strong> Zona 0 \u2192 24V DC, pengaman intrinsik wajib; Zona 1\/2 \u2192 fleksibel dengan perlindungan yang memadai<\/li>\n<li><strong>\u26a1 Hitung daya:<\/strong> &lt;1W \u2192 24V DC dua kabel; 1-20W \u2192 24V DC empat kabel; &gt;20W \u2192 220V AC<\/li>\n<li><strong>\ud83d\udee1\ufe0f Persyaratan SIS:<\/strong> Sistem keselamatan memerlukan UPS khusus, yang terisolasi dari daya proses.<\/li>\n<li><strong>\ud83d\udccf Periksa jarak:<\/strong> Jarak tempuh &gt;300m memerlukan perhitungan penurunan tegangan 24V DC.<\/li>\n<li><strong>\ud83c\udfaf Standarisasi:<\/strong> Gunakan tegangan yang konsisten per unit proses untuk menyederhanakan suku cadang dan perawatan.<\/li>\n<\/ol>\n<\/div>\n<h2 id=\"mistakes\">6. Kesalahan Umum dalam Teknik<\/h2>\n<div style=\"display: grid; grid-template-columns: 1fr 1fr; gap: 15px; margin: 20px 0;\">\n<div style=\"background: #ffeaa7; padding: 15px; border-radius: 8px; border-left: 4px solid #fdcb6e;\">\n<p style=\"margin: 0; font-weight: bold; color: #d63031;\">\u274c Polaritas DC Terbalik<\/p>\n<p style=\"margin: 5px 0 0 0; font-size: 13px;\">Instrumen tanpa proteksi terbalik akan rusak permanen. Gunakan warna merah untuk positif, biru\/hitam untuk negatif.<\/p>\n<\/div>\n<div style=\"background: #fab1a0; padding: 15px; border-radius: 8px; border-left: 4px solid #e17055;\">\n<p style=\"margin: 0; font-weight: bold; color: #d63031;\">\u274c Perutean Kabel Campuran<\/p>\n<p style=\"margin: 5px 0 0 0; font-size: 13px;\">Kabel 220V AC dan 24V DC tidak boleh menggunakan saluran yang sama. Jaga jarak minimal 200 mm.<\/p>\n<\/div>\n<div style=\"background: #74b9ff; padding: 15px; border-radius: 8px; border-left: 4px solid #0984e3;\">\n<p style=\"margin: 0; font-weight: bold; color: #2d3436;\">\u274c Kebingungan Pengardean<\/p>\n<p style=\"margin: 5px 0 0 0; font-size: 13px;\">Kutub negatif DC dapat dibiarkan mengambang atau dihubungkan ke tanah\u2014pilih satu metode untuk setiap sistem, jangan pernah mencampurnya.<\/p>\n<\/div>\n<div style=\"background: #a29bfe; padding: 15px; border-radius: 8px; border-left: 4px solid #6c5ce7;\">\n<p style=\"margin: 0; font-weight: bold; color: #2d3436;\">\u274c Tidak Ada Perlindungan Cabang<\/p>\n<p style=\"margin: 5px 0 0 0; font-size: 13px;\">Satu korsleting pada bus yang tidak terlindungi akan menonaktifkan semua instrumen. Pasang sekering setiap 5-10 perangkat.<\/p>\n<\/div>\n<\/div>\n<h2>Ringkasan<\/h2>\n<p>Tidak ada satu tegangan pun yang secara universal lebih unggul untuk <strong>Catu daya instrumen 24V DC vs 220V AC<\/strong>. Pilihan yang tepat bergantung pada persyaratan aplikasi:<\/p>\n<ul>\n<li><strong>\u2705 24V DC:<\/strong> Standar untuk <a href=\"https:\/\/www.yunrui-controls.com\/id\/product_cat\/transmitters\/pressure-transmitters\/\">pemancar tekanan<\/a>, <a href=\"https:\/\/www.yunrui-controls.com\/id\/product_cat\/transmitters\/temperature-transmitters\/\">pemancar suhu<\/a>, <a href=\"https:\/\/www.yunrui-controls.com\/id\/product_cat\/valve-positioners\/\">pengatur posisi katup<\/a>, dan instrumen pengukur level. Lebih disukai karena keamanan, kekebalan terhadap interferensi, dan kompatibilitas keselamatan intrinsik.<\/li>\n<li><strong>\u2705 220V AC:<\/strong> Diperlukan untuk <a href=\"https:\/\/www.yunrui-controls.com\/id\/product_cat\/flow-meters\/electromagnetic-flow-meters\/\">pengukur aliran elektromagnetik<\/a>, penganalisis online, pelacakan panas, dan aktuator besar. Koneksi langsung ke jaringan listrik menghilangkan infrastruktur DC.<\/li>\n<li><strong>\ud83d\udee1\ufe0f Area berbahaya:<\/strong> Zona 0 membatasi tegangan hingga 24V DC dengan penghalang pengaman. Zona 1\/2 mengizinkan 220V AC dengan penutup tahan api atau penutup dengan tingkat keamanan yang lebih tinggi.<\/li>\n<\/ul>\n<h2>Bacaan Terkait<\/h2>\n<ul>\n<li><a href=\"https:\/\/www.yunrui-controls.com\/id\/4-20ma-signal-industrial-automation\/\">Sinyal 4-20mA dalam Otomasi Industri: Prinsip dan Pemecahan Masalah<\/a><\/li>\n<li><a href=\"https:\/\/www.yunrui-controls.com\/id\/fisher-dvc6200-dvc2000-feedback-troubleshooting\/\">Panduan Pemecahan Masalah Sinyal Umpan Balik Fisher DVC6200\/DVC2000<\/a><\/li>\n<li><a href=\"https:\/\/www.yunrui-controls.com\/id\/valve-positioner-working-principle-troubleshooting\/\">Panduan Lengkap Positioner Katup: Prinsip Kerja + Pemecahan Masalah di Lapangan<\/a><\/li>\n<li><a href=\"https:\/\/www.yunrui-controls.com\/id\/control-valve-cv-calculation-actuator-sizing\/\">Pemilihan Aktuator dan Penentuan Ukuran Katup: Metode Perhitungan Teknik<\/a><\/li>\n<li><a href=\"https:\/\/www.yunrui-controls.com\/id\/radar-level-transmitter-frequency-guide\/\">Panduan Frekuensi Pemancar Level Radar<\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Choosing between 24V DC and 220V AC instrument power supply is a critical decision in industrial automation. The wrong voltage can create safety hazards, signal interference, or equipment failure. This guide explains when to use 24V DC versus 220V AC for industrial instruments, with practical selection criteria for real field applications. Quick Navigation: Comparison | [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":8444,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","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":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","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":""}},"footnotes":""},"categories":[384,1],"tags":[],"class_list":["post-8443","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","category-blogs"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.8 (Yoast SEO v26.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>24V DC vs 220V AC Instrument Power Supply - YUNRUI<\/title>\n<meta name=\"description\" content=\"echnical guide for selecting 24V DC or 220V AC power supplies for industrial instruments. 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