{"id":2345,"date":"2026-07-18T14:37:53","date_gmt":"2026-07-18T06:37:53","guid":{"rendered":"https:\/\/sayoon-dc.com\/?page_id=2345"},"modified":"2026-07-18T14:37:53","modified_gmt":"2026-07-18T06:37:53","slug":"dc-contactor-by-amperage","status":"publish","type":"page","link":"https:\/\/sayoon-dc.com\/vi\/dc-contactor-by-amperage\/","title":{"rendered":"DC Contactor by Amperage"},"content":{"rendered":"<!-- sayoon-guide-aggregate-v2 -->\n<style>\n  .sg-page{color:#172235;background:#fff;font-family:inherit}.sg-page *{box-sizing:border-box}.sg-wrap{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}\n  .sg-hero{background:linear-gradient(125deg,#002345 0%,#004494 54%,#00a0e9 100%);color:#fff;padding:48px 0 44px;position:relative;overflow:hidden}.sg-hero:after{content:\"\";position:absolute;width:420px;height:420px;right:-120px;top:-200px;border:60px solid rgba(255,255,255,.06);border-radius:50%}.sg-hero>div{position:relative;z-index:1;max-width:1200px}\n  .sg-page 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img,.sg-card__image img{width:100%;height:100%;object-fit:contain}.sg-image-fallback{display:flex;align-items:center;justify-content:center;width:100%;height:100%;background:#e7eff5;color:#37607c;font-weight:700}.sg-family-card__body{padding:22px}.sg-family-card__body h2{font-size:22px;color:#002345;margin:0 0 10px}.sg-family-card__body h2 a,.sg-card h3 a{color:inherit;text-decoration:none}.sg-family-card__body>p:not(:first-child){color:#586b7c;line-height:1.65;min-height:64px}.sg-family-card__body>a,.sg-card__body>a{color:#00a0e9;font-weight:700;text-decoration:none}\n  .sg-catalog{padding:52px 0 64px;background:#f4f8fb}.sg-series-section{scroll-margin-top:96px;padding:0 0 48px}.sg-series-section:last-child{padding-bottom:0}.sg-section-heading{display:grid;grid-template-columns:1fr 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@media(max-width:900px){.sg-family-grid,.sg-card-grid{grid-template-columns:repeat(2,1fr)}.sg-section-heading,.sg-selection-grid{grid-template-columns:1fr;gap:22px}}@media(max-width:600px){.sg-wrap{padding-left:18px;padding-right:18px}.sg-hero{padding:36px 0 32px}.sg-family-grid,.sg-card-grid{grid-template-columns:1fr}.sg-rfq__inner{display:block}.sg-rfq .sg-actions{margin-top:24px}}\n<\/style>\n<main class=\"sg-page\">\n  <section class=\"sg-hero\"><div class=\"sg-wrap\"><p>DC contactor amperage guide hub<\/p><h2>Find the DC contactor guide that matches your continuous current class.<\/h2><p>Explore 20A to 1000A selection guides plus 48V and 72V application notes. Start with continuous current, duty cycle and coil requirements before RFQ.<\/p><div class=\"sg-actions\"><a class=\"sg-button sg-button--primary\" href=\"https:\/\/sayoon-dc.com\/vi\/contact-us\/\">Request amperage selection support<\/a><a class=\"sg-button sg-button--secondary\" href=\"#amp-low\">Kh\u00e1m ph\u00e1 h\u01b0\u1edbng d\u1eabn<\/a><\/div><\/div><\/section>\n  <nav class=\"sg-nav\" aria-label=\"DC Contactor by Amperage guide clusters\"><div class=\"sg-wrap\"><a href=\"#amp-low\">20A to 150A Guides<\/a>\n<a href=\"#amp-mid\">200A to 400A Guides<\/a>\n<a href=\"#amp-high\">500A to 1000A &amp; Traction Voltage Guides<\/a><\/div><\/nav>\n  <section class=\"sg-overview\"><div class=\"sg-wrap\"><div class=\"sg-section-intro\"><p>Kh\u00e1m ph\u00e1 c\u00e1c nh\u00f3m h\u01b0\u1edbng d\u1eabn c\u1ee7a ch\u00fang t\u00f4i<\/p><h2>DC contactor guides organized by current class<\/h2><p>Use the clusters below to jump to the right ampere guide. Final fit depends on verified CZW, SZJ or MZJ series parameters and your enclosure data.<\/p><\/div><div class=\"sg-family-grid\">\n          <article class=\"sg-family-card\">\n            <a class=\"sg-family-card__image\" href=\"#amp-low\"><img decoding=\"async\" src=\"https:\/\/sayoon-dc.com\/wp-content\/uploads\/2026\/06\/100A-Dc-Contactor.3.webp\" alt=\"20A to 150A Guides\" loading=\"lazy\"><\/a>\n            <div class=\"sg-family-card__body\">\n              <p>C\u1ee5m h\u01b0\u1edbng d\u1eabn<\/p>\n              <h2><a href=\"#amp-low\">20A to 150A Guides<\/a><\/h2>\n              <p>Lower-current branch, control and early commercial selection paths.<\/p>\n              <a href=\"#amp-low\">Kh\u00e1m ph\u00e1 h\u01b0\u1edbng d\u1eabn <span aria-hidden=\"true\">\u2192<\/span><\/a>\n            <\/div>\n          <\/article>\n          <article class=\"sg-family-card\">\n            <a class=\"sg-family-card__image\" href=\"#amp-mid\"><img decoding=\"async\" src=\"https:\/\/sayoon-dc.com\/wp-content\/uploads\/2026\/07\/400a-dc-contactor-specifications-selection-guide-cover-4.webp\" alt=\"200A to 400A Guides\" loading=\"lazy\"><\/a>\n            <div class=\"sg-family-card__body\">\n              <p>C\u1ee5m h\u01b0\u1edbng d\u1eabn<\/p>\n              <h2><a href=\"#amp-mid\">200A to 400A Guides<\/a><\/h2>\n              <p>Mid-range distribution, motor branch and panel-builder current classes.<\/p>\n              <a href=\"#amp-mid\">Kh\u00e1m ph\u00e1 h\u01b0\u1edbng d\u1eabn <span aria-hidden=\"true\">\u2192<\/span><\/a>\n            <\/div>\n          <\/article>\n          <article class=\"sg-family-card\">\n            <a class=\"sg-family-card__image\" href=\"#amp-high\"><img decoding=\"async\" src=\"https:\/\/sayoon-dc.com\/wp-content\/uploads\/2026\/07\/1000-amp-dc-contactor-specifications-selection-guide-cover-4.webp\" alt=\"500A to 1000A &amp; Traction Voltage Guides\" loading=\"lazy\"><\/a>\n            <div class=\"sg-family-card__body\">\n              <p>C\u1ee5m h\u01b0\u1edbng d\u1eabn<\/p>\n              <h2><a href=\"#amp-high\">500A to 1000A &amp; Traction Voltage Guides<\/a><\/h2>\n              <p>Heavy DC paths plus 48V and 72V traction application notes.<\/p>\n              <a href=\"#amp-high\">Kh\u00e1m ph\u00e1 h\u01b0\u1edbng d\u1eabn <span aria-hidden=\"true\">\u2192<\/span><\/a>\n            <\/div>\n          <\/article><\/div><\/div><\/section>\n  <section class=\"sg-catalog\"><div class=\"sg-wrap\">\n      <section class=\"sg-series-section\" id=\"amp-low\">\n        <div class=\"sg-section-heading\">\n          <div><p>Kh\u00e1m ph\u00e1 c\u00e1c d\u00f2ng s\u1ea3n ph\u1ea9m<\/p><h2>20A to 150A Guides<\/h2><\/div>\n          <p>Lower-current branch, control and early commercial selection paths.<\/p>\n        <\/div>\n        <div class=\"sg-card-grid\">\n      <article class=\"sg-card\">\n        <a class=\"sg-card__image\" href=\"https:\/\/sayoon-dc.com\/vi\/trang-nhat-ky-dien-tu\/what-is-a-20-amp-contactor-and-how-does-it-work\/\"><img decoding=\"async\" src=\"https:\/\/sayoon-dc.com\/wp-content\/uploads\/2026\/06\/20-Amp-Contactor.3.webp\" alt=\"What Is a 20 Amp Contactor?\" loading=\"lazy\"><\/a>\n        <div class=\"sg-card__body\">\n          <h3><a href=\"https:\/\/sayoon-dc.com\/vi\/trang-nhat-ky-dien-tu\/what-is-a-20-amp-contactor-and-how-does-it-work\/\">What Is a 20 Amp Contactor?<\/a><\/h3>\n          <a href=\"https:\/\/sayoon-dc.com\/vi\/trang-nhat-ky-dien-tu\/what-is-a-20-amp-contactor-and-how-does-it-work\/\">Xem h\u01b0\u1edbng d\u1eabn <span aria-hidden=\"true\">\u2192<\/span><\/a>\n        <\/div>\n      <\/article>\n\n      <article class=\"sg-card\">\n        <a class=\"sg-card__image\" href=\"https:\/\/sayoon-dc.com\/vi\/trang-nhat-ky-dien-tu\/what-is-a-50a-contactor-key-features-uses-explained\/\"><img decoding=\"async\" src=\"https:\/\/sayoon-dc.com\/wp-content\/uploads\/2026\/06\/50a-Contactor.3.webp\" alt=\"What Is a 50A Contactor?\" loading=\"lazy\"><\/a>\n        <div class=\"sg-card__body\">\n          <h3><a href=\"https:\/\/sayoon-dc.com\/vi\/trang-nhat-ky-dien-tu\/what-is-a-50a-contactor-key-features-uses-explained\/\">What Is a 50A Contactor?<\/a><\/h3>\n          <a href=\"https:\/\/sayoon-dc.com\/vi\/trang-nhat-ky-dien-tu\/what-is-a-50a-contactor-key-features-uses-explained\/\">Xem h\u01b0\u1edbng d\u1eabn <span aria-hidden=\"true\">\u2192<\/span><\/a>\n        <\/div>\n      <\/article>\n\n      <article class=\"sg-card\">\n        <a class=\"sg-card__image\" href=\"https:\/\/sayoon-dc.com\/vi\/trang-nhat-ky-dien-tu\/100a-dc-contactor-selection-guide\/\"><img decoding=\"async\" src=\"https:\/\/sayoon-dc.com\/wp-content\/uploads\/2026\/06\/100A-Dc-Contactor.3.webp\" alt=\"H\u01b0\u1edbng d\u1eabn l\u1ef1a ch\u1ecdn kh\u1edfi \u0111\u1ed9ng t\u1eeb DC 100A\" loading=\"lazy\"><\/a>\n        <div class=\"sg-card__body\">\n          <h3><a href=\"https:\/\/sayoon-dc.com\/vi\/trang-nhat-ky-dien-tu\/100a-dc-contactor-selection-guide\/\">H\u01b0\u1edbng d\u1eabn l\u1ef1a ch\u1ecdn kh\u1edfi \u0111\u1ed9ng t\u1eeb DC 100A<\/a><\/h3>\n          <a href=\"https:\/\/sayoon-dc.com\/vi\/trang-nhat-ky-dien-tu\/100a-dc-contactor-selection-guide\/\">Xem h\u01b0\u1edbng d\u1eabn <span aria-hidden=\"true\">\u2192<\/span><\/a>\n        <\/div>\n      <\/article>\n\n      <article class=\"sg-card\">\n        <a class=\"sg-card__image\" href=\"https:\/\/sayoon-dc.com\/vi\/trang-nhat-ky-dien-tu\/150a-dc-contactor-specifications-selection-guide\/\"><img decoding=\"async\" src=\"https:\/\/sayoon-dc.com\/wp-content\/uploads\/2026\/07\/150a-dc-contactor-specifications-selection-guide-cover-4.webp\" alt=\"150A DC Contactor Selection Guide\" loading=\"lazy\"><\/a>\n        <div class=\"sg-card__body\">\n          <h3><a href=\"https:\/\/sayoon-dc.com\/vi\/trang-nhat-ky-dien-tu\/150a-dc-contactor-specifications-selection-guide\/\">150A DC Contactor Selection Guide<\/a><\/h3>\n          <a href=\"https:\/\/sayoon-dc.com\/vi\/trang-nhat-ky-dien-tu\/150a-dc-contactor-specifications-selection-guide\/\">Xem h\u01b0\u1edbng d\u1eabn <span aria-hidden=\"true\">\u2192<\/span><\/a>\n        <\/div>\n      <\/article>\n        <\/div>\n      <\/section>\n      <section class=\"sg-series-section\" id=\"amp-mid\">\n        <div class=\"sg-section-heading\">\n          <div><p>Kh\u00e1m ph\u00e1 c\u00e1c d\u00f2ng s\u1ea3n ph\u1ea9m<\/p><h2>200A to 400A Guides<\/h2><\/div>\n          <p>Mid-range distribution, motor branch and panel-builder current classes.<\/p>\n        <\/div>\n        <div class=\"sg-card-grid\">\n      <article class=\"sg-card\">\n        <a class=\"sg-card__image\" href=\"https:\/\/sayoon-dc.com\/vi\/trang-nhat-ky-dien-tu\/200-amp-dc-contactor-specifications-selection-guide\/\"><img decoding=\"async\" src=\"https:\/\/sayoon-dc.com\/wp-content\/uploads\/2026\/07\/200-amp-dc-contactor-specifications-selection-guide-cover-4.webp\" alt=\"200 Amp DC Contactor for Motor Branch Isolation\" loading=\"lazy\"><\/a>\n        <div class=\"sg-card__body\">\n          <h3><a href=\"https:\/\/sayoon-dc.com\/vi\/trang-nhat-ky-dien-tu\/200-amp-dc-contactor-specifications-selection-guide\/\">200 Amp DC Contactor for Motor Branch Isolation<\/a><\/h3>\n          <a href=\"https:\/\/sayoon-dc.com\/vi\/trang-nhat-ky-dien-tu\/200-amp-dc-contactor-specifications-selection-guide\/\">Xem h\u01b0\u1edbng d\u1eabn <span aria-hidden=\"true\">\u2192<\/span><\/a>\n        <\/div>\n      <\/article>\n\n      <article class=\"sg-card\">\n        <a class=\"sg-card__image\" href=\"https:\/\/sayoon-dc.com\/vi\/trang-nhat-ky-dien-tu\/250a-dc-contactor-specifications-selection-guide\/\"><img decoding=\"async\" src=\"https:\/\/sayoon-dc.com\/wp-content\/uploads\/2026\/07\/250a-dc-contactor-specifications-selection-guide-cover-4.webp\" alt=\"250A DC Contactor in Battery Storage\" loading=\"lazy\"><\/a>\n        <div class=\"sg-card__body\">\n          <h3><a href=\"https:\/\/sayoon-dc.com\/vi\/trang-nhat-ky-dien-tu\/250a-dc-contactor-specifications-selection-guide\/\">250A DC Contactor in Battery Storage<\/a><\/h3>\n          <a href=\"https:\/\/sayoon-dc.com\/vi\/trang-nhat-ky-dien-tu\/250a-dc-contactor-specifications-selection-guide\/\">Xem h\u01b0\u1edbng d\u1eabn <span aria-hidden=\"true\">\u2192<\/span><\/a>\n        <\/div>\n      <\/article>\n\n      <article class=\"sg-card\">\n        <a class=\"sg-card__image\" href=\"https:\/\/sayoon-dc.com\/vi\/trang-nhat-ky-dien-tu\/300-amp-dc-contactor-specifications-selection-guide\/\"><img decoding=\"async\" src=\"https:\/\/sayoon-dc.com\/wp-content\/uploads\/2026\/07\/300-amp-dc-contactor-specifications-selection-guide-cover-4.webp\" alt=\"300 Amp DC Contactor in Charging Paths\" loading=\"lazy\"><\/a>\n        <div class=\"sg-card__body\">\n          <h3><a href=\"https:\/\/sayoon-dc.com\/vi\/trang-nhat-ky-dien-tu\/300-amp-dc-contactor-specifications-selection-guide\/\">300 Amp DC Contactor in Charging Paths<\/a><\/h3>\n          <a href=\"https:\/\/sayoon-dc.com\/vi\/trang-nhat-ky-dien-tu\/300-amp-dc-contactor-specifications-selection-guide\/\">Xem h\u01b0\u1edbng d\u1eabn <span aria-hidden=\"true\">\u2192<\/span><\/a>\n        <\/div>\n      <\/article>\n\n      <article class=\"sg-card\">\n        <a class=\"sg-card__image\" href=\"https:\/\/sayoon-dc.com\/vi\/trang-nhat-ky-dien-tu\/400a-dc-contactor-specifications-selection-guide\/\"><img decoding=\"async\" src=\"https:\/\/sayoon-dc.com\/wp-content\/uploads\/2026\/07\/400a-dc-contactor-specifications-selection-guide-cover-4.webp\" alt=\"400A DC Contactor Integration Checklist\" loading=\"lazy\"><\/a>\n        <div class=\"sg-card__body\">\n          <h3><a href=\"https:\/\/sayoon-dc.com\/vi\/trang-nhat-ky-dien-tu\/400a-dc-contactor-specifications-selection-guide\/\">400A DC Contactor Integration Checklist<\/a><\/h3>\n          <a href=\"https:\/\/sayoon-dc.com\/vi\/trang-nhat-ky-dien-tu\/400a-dc-contactor-specifications-selection-guide\/\">Xem h\u01b0\u1edbng d\u1eabn <span aria-hidden=\"true\">\u2192<\/span><\/a>\n        <\/div>\n      <\/article>\n        <\/div>\n      <\/section>\n      <section class=\"sg-series-section\" id=\"amp-high\">\n        <div class=\"sg-section-heading\">\n          <div><p>Kh\u00e1m ph\u00e1 c\u00e1c d\u00f2ng s\u1ea3n ph\u1ea9m<\/p><h2>500A to 1000A &amp; Traction Voltage Guides<\/h2><\/div>\n          <p>Heavy DC paths plus 48V and 72V traction application notes.<\/p>\n        <\/div>\n        <div class=\"sg-card-grid\">\n      <article class=\"sg-card\">\n        <a class=\"sg-card__image\" href=\"https:\/\/sayoon-dc.com\/vi\/trang-nhat-ky-dien-tu\/500a-dc-contactor-specifications-selection-guide\/\"><img decoding=\"async\" src=\"https:\/\/sayoon-dc.com\/wp-content\/uploads\/2026\/07\/500a-dc-contactor-specifications-selection-guide-cover-4.webp\" alt=\"500A DC Contactor Engineering Notes\" loading=\"lazy\"><\/a>\n        <div class=\"sg-card__body\">\n          <h3><a href=\"https:\/\/sayoon-dc.com\/vi\/trang-nhat-ky-dien-tu\/500a-dc-contactor-specifications-selection-guide\/\">500A DC Contactor Engineering Notes<\/a><\/h3>\n          <a href=\"https:\/\/sayoon-dc.com\/vi\/trang-nhat-ky-dien-tu\/500a-dc-contactor-specifications-selection-guide\/\">Xem h\u01b0\u1edbng d\u1eabn <span aria-hidden=\"true\">\u2192<\/span><\/a>\n        <\/div>\n      <\/article>\n\n      <article class=\"sg-card\">\n        <a class=\"sg-card__image\" href=\"https:\/\/sayoon-dc.com\/vi\/trang-nhat-ky-dien-tu\/1000-amp-dc-contactor-specifications-selection-guide\/\"><img decoding=\"async\" src=\"https:\/\/sayoon-dc.com\/wp-content\/uploads\/2026\/07\/1000-amp-dc-contactor-specifications-selection-guide-cover-4.webp\" alt=\"1000 Amp DC Contactor Considerations\" loading=\"lazy\"><\/a>\n        <div class=\"sg-card__body\">\n          <h3><a href=\"https:\/\/sayoon-dc.com\/vi\/trang-nhat-ky-dien-tu\/1000-amp-dc-contactor-specifications-selection-guide\/\">1000 Amp DC Contactor Considerations<\/a><\/h3>\n          <a href=\"https:\/\/sayoon-dc.com\/vi\/trang-nhat-ky-dien-tu\/1000-amp-dc-contactor-specifications-selection-guide\/\">Xem h\u01b0\u1edbng d\u1eabn <span aria-hidden=\"true\">\u2192<\/span><\/a>\n        <\/div>\n      <\/article>\n\n      <article class=\"sg-card\">\n        <a class=\"sg-card__image\" href=\"https:\/\/sayoon-dc.com\/vi\/trang-nhat-ky-dien-tu\/48v-dc-contactor-specifications-applications-selection-guide\/\"><img decoding=\"async\" src=\"https:\/\/sayoon-dc.com\/wp-content\/uploads\/2026\/07\/48v-dc-contactor-specifications-applications-selection-guide-cover-5.webp\" alt=\"48V DC Contactor Applications\" loading=\"lazy\"><\/a>\n        <div class=\"sg-card__body\">\n          <h3><a href=\"https:\/\/sayoon-dc.com\/vi\/trang-nhat-ky-dien-tu\/48v-dc-contactor-specifications-applications-selection-guide\/\">48V DC Contactor Applications<\/a><\/h3>\n          <a href=\"https:\/\/sayoon-dc.com\/vi\/trang-nhat-ky-dien-tu\/48v-dc-contactor-specifications-applications-selection-guide\/\">Xem h\u01b0\u1edbng d\u1eabn <span aria-hidden=\"true\">\u2192<\/span><\/a>\n        <\/div>\n      <\/article>\n\n      <article class=\"sg-card\">\n        <a class=\"sg-card__image\" href=\"https:\/\/sayoon-dc.com\/vi\/trang-nhat-ky-dien-tu\/72v-dc-contactor-specifications-selection-guide\/\"><img decoding=\"async\" src=\"https:\/\/sayoon-dc.com\/wp-content\/uploads\/2026\/07\/72v-dc-contactor-specifications-selection-guide-cover-4.webp\" alt=\"72V DC Contactor Sizing\" loading=\"lazy\"><\/a>\n        <div class=\"sg-card__body\">\n          <h3><a href=\"https:\/\/sayoon-dc.com\/vi\/trang-nhat-ky-dien-tu\/72v-dc-contactor-specifications-selection-guide\/\">72V DC Contactor Sizing<\/a><\/h3>\n          <a href=\"https:\/\/sayoon-dc.com\/vi\/trang-nhat-ky-dien-tu\/72v-dc-contactor-specifications-selection-guide\/\">Xem h\u01b0\u1edbng d\u1eabn <span aria-hidden=\"true\">\u2192<\/span><\/a>\n        <\/div>\n      <\/article>\n        <\/div>\n      <\/section><\/div><\/section>\n  \n  <section class=\"sg-overview sg-overview--products\">\n    <div class=\"sg-wrap\">\n      <div class=\"sg-section-intro\">\n        <p>D\u00f2ng s\u1ea3n ph\u1ea9m li\u00ean quan<\/p>\n        <h2>C\u00e1c d\u00f2ng s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c \u0111\u1ec1 c\u1eadp trong trung t\u00e2m h\u01b0\u1edbng d\u1eabn n\u00e0y<\/h2>\n        <p>Chuy\u1ec3n t\u1eeb vi\u1ec7c \u0111\u1ecdc t\u00e0i li\u1ec7u h\u01b0\u1edbng d\u1eabn sang y\u00eau c\u1ea7u b\u00e1o gi\u00e1 (RFQ) c\u1ea5p \u0111\u1ed9 d\u00f2ng s\u1ea3n ph\u1ea9m khi \u0111\u00e3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c c\u1ea5p \u0111i\u1ec7n \u00e1p, d\u00f2ng \u0111i\u1ec7n v\u00e0 c\u00e1c y\u00eau c\u1ea7u v\u1ec1 cu\u1ed9n d\u00e2y.<\/p>\n      <\/div>\n      <div class=\"sg-family-grid\">\n          <article class=\"sg-family-card\">\n            <a class=\"sg-family-card__image\" href=\"https:\/\/sayoon-dc.com\/vi\/contactor-dien-mot-chieu-dong-czw\/\"><img decoding=\"async\" src=\"https:\/\/sayoon-dc.com\/wp-content\/uploads\/2026\/05\/czw100a_s1-1-2.webp\" alt=\"C\u00f4ng t\u1eafc t\u01a1 DC d\u00f2ng CZW\" loading=\"lazy\"><\/a>\n            <div class=\"sg-family-card__body\">\n              <p>D\u00f2ng s\u1ea3n ph\u1ea9m<\/p>\n              <h2><a href=\"https:\/\/sayoon-dc.com\/vi\/contactor-dien-mot-chieu-dong-czw\/\">C\u00f4ng t\u1eafc t\u01a1 DC d\u00f2ng CZW<\/a><\/h2>\n              <p>So s\u00e1nh c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt \u0111\u00e3 c\u00f4ng b\u1ed1 v\u00e0 g\u1eedi d\u1eef li\u1ec7u Y\u00eau c\u1ea7u B\u00e1o gi\u00e1 (RFQ) \u0111\u1ec3 x\u00e1c nh\u1eadn c\u1ea5p m\u00f4 h\u00ecnh.<\/p>\n              <a href=\"https:\/\/sayoon-dc.com\/vi\/contactor-dien-mot-chieu-dong-czw\/\">Xem lo\u1ea1t phim <span aria-hidden=\"true\">\u2192<\/span><\/a>\n            <\/div>\n          <\/article>\n\n          <article class=\"sg-family-card\">\n            <a class=\"sg-family-card__image\" href=\"https:\/\/sayoon-dc.com\/vi\/contactor-dc-dong-szj\/\"><img decoding=\"async\" src=\"https:\/\/sayoon-dc.com\/wp-content\/uploads\/2026\/05\/szj100a_s1-2.webp\" alt=\"Contactor DC d\u00f2ng SZJ\" loading=\"lazy\"><\/a>\n            <div class=\"sg-family-card__body\">\n              <p>D\u00f2ng s\u1ea3n ph\u1ea9m<\/p>\n              <h2><a href=\"https:\/\/sayoon-dc.com\/vi\/contactor-dc-dong-szj\/\">Contactor DC d\u00f2ng SZJ<\/a><\/h2>\n              <p>So s\u00e1nh c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt \u0111\u00e3 c\u00f4ng b\u1ed1 v\u00e0 g\u1eedi d\u1eef li\u1ec7u Y\u00eau c\u1ea7u B\u00e1o gi\u00e1 (RFQ) \u0111\u1ec3 x\u00e1c nh\u1eadn c\u1ea5p m\u00f4 h\u00ecnh.<\/p>\n              <a href=\"https:\/\/sayoon-dc.com\/vi\/contactor-dc-dong-szj\/\">Xem lo\u1ea1t phim <span aria-hidden=\"true\">\u2192<\/span><\/a>\n            <\/div>\n          <\/article>\n\n          <article class=\"sg-family-card\">\n            <a class=\"sg-family-card__image\" href=\"https:\/\/sayoon-dc.com\/vi\/contactor-dien-mot-chieu-dong-czw\/\"><img decoding=\"async\" src=\"https:\/\/sayoon-dc.com\/wp-content\/uploads\/2026\/07\/mzj-100a_s1.jpg\" alt=\"Kh\u1edfi \u0111\u1ed9ng t\u1eeb d\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u series MZJ\" loading=\"lazy\"><\/a>\n            <div class=\"sg-family-card__body\">\n              <p>D\u00f2ng s\u1ea3n ph\u1ea9m<\/p>\n              <h2><a href=\"https:\/\/sayoon-dc.com\/vi\/contactor-dien-mot-chieu-dong-czw\/\">Kh\u1edfi \u0111\u1ed9ng t\u1eeb d\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u series MZJ<\/a><\/h2>\n              <p>So s\u00e1nh c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt \u0111\u00e3 c\u00f4ng b\u1ed1 v\u00e0 g\u1eedi d\u1eef li\u1ec7u Y\u00eau c\u1ea7u B\u00e1o gi\u00e1 (RFQ) \u0111\u1ec3 x\u00e1c nh\u1eadn c\u1ea5p m\u00f4 h\u00ecnh.<\/p>\n              <a href=\"https:\/\/sayoon-dc.com\/vi\/contactor-dien-mot-chieu-dong-czw\/\">Xem lo\u1ea1t phim <span aria-hidden=\"true\">\u2192<\/span><\/a>\n            <\/div>\n          <\/article>\n      <\/div>\n    <\/div>\n  <\/section>\n  <section class=\"sg-selection\"><div class=\"sg-wrap sg-selection-grid\"><div><p>H\u1ed7 tr\u1ee3 l\u1ef1a ch\u1ecdn<\/p><h2>Match continuous current and duty before choosing a series.<\/h2><p>Current-class selection changes with thermal duty, voltage headroom, coil supply, auxiliary feedback and mechanical outline. Share these inputs with the guide and series you are evaluating.<\/p><div class=\"sg-resource-row\"><a href=\"https:\/\/sayoon-dc.com\/vi\/trang-nhat-ky-dien-tu\/100a-dc-contactor-selection-guide\/\">100A selection guide (primary)<\/a>\n<a href=\"https:\/\/sayoon-dc.com\/vi\/trang-nhat-ky-dien-tu\/400a-dc-contactor-specifications-selection-guide\/\">400A integration checklist<\/a>\n<a href=\"https:\/\/sayoon-dc.com\/vi\/trang-nhat-ky-dien-tu\/1000-amp-dc-contactor-specifications-selection-guide\/\">1000A high-current notes<\/a><\/div><\/div><aside class=\"sg-checklist\"><h3>H\u00e3y bao g\u1ed3m c\u00e1c chi ti\u1ebft n\u00e0y trong Y\u00eau c\u1ea7u B\u00e1o gi\u00e1 (RFQ) c\u1ee7a b\u1ea1n<\/h3><ul><li>Continuous current at defined duty cycle<\/li>\n<li>Maximum working contact voltage and coil supply<\/li>\n<li>Auxiliary contact and mounting outline requirements<\/li>\n<li>Application environment and stated compliance scope<\/li><\/ul><\/aside><\/div><\/section>\n  <section class=\"sg-rfq\"><div class=\"sg-wrap sg-rfq__inner\"><div><h2>C\u1ea7n tr\u1ee3 gi\u00fap thu h\u1eb9p l\u1ef1a ch\u1ecdn kh\u00f4ng?<\/h2><p>G\u1eedi d\u1eef li\u1ec7u \u1ee9ng d\u1ee5ng v\u00e0 th\u00f4ng tin m\u00f4 h\u00ecnh hi\u1ec7n c\u00f3 m\u00e0 b\u1ea1n c\u00f3. Ch\u00fang t\u00f4i s\u1ebd s\u1eed d\u1ee5ng th\u00f4ng tin \u0111\u00f3 \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c b\u01b0\u1edbc \u0111\u00e1nh gi\u00e1 s\u1ea3n ph\u1ea9m v\u00e0 t\u00e0i li\u1ec7u ti\u1ebfp theo.<\/p><\/div><div class=\"sg-actions\"><a class=\"sg-button sg-button--primary\" href=\"https:\/\/sayoon-dc.com\/vi\/contact-us\/\">G\u1eedi y\u00eau c\u1ea7u<\/a><\/div><\/div><\/section>\n  <section class=\"sg-wrap sg-faq\"><p>DC Contactor by Amperage FAQ<\/p><h2>C\u00e2u h\u1ecfi tr\u1eafc nghi\u1ec7m<\/h2><details><summary>Which 100A guide should I read first?<\/summary><p>Start with 100A DC Contactor Selection Guide as the primary commercial article.<\/p><\/details>\n<details><summary>How do 48V and 72V guides relate to amperage guides?<\/summary><p>Use amperage guides for continuous current class; use 48V\/72V guides when traction system voltage defines the application.<\/p><\/details>\n<details><summary>When should I move from 400A to 1000A guides?<\/summary><p>When continuous current, duty or fault evidence exceeds mid-range published bounds on the SKU pages.<\/p><\/details><\/section>\n  <p class=\"sg-draft-note\">B\u1ea2N XEM TR\u01af\u1edaC B\u1ea2N NH\u00c1P \u2014 ch\u1ec9 l\u00e0 m\u1eabu b\u1ed1 c\u1ee5c; ch\u01b0a \u0111\u01b0\u1ee3c xu\u1ea5t b\u1ea3n ho\u1eb7c l\u1eadp ch\u1ec9 m\u1ee5c.<\/p>\n<\/main>","protected":false},"excerpt":{"rendered":"<p>DC contactor amperage guide hub Find the DC contactor guide that matches your continuous current class. Explore 20A to 1000A selection guides plus 48V and 72V application notes. Start with continuous current, duty cycle and coil requirements before RFQ. Request amperage selection supportExplore guides 20A to 150A Guides 200A to 400A Guides 500A to 1000A [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_gspb_post_css":"","footnotes":""},"class_list":["post-2345","page","type-page","status-publish","hentry"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":7}},"_links":{"self":[{"href":"https:\/\/sayoon-dc.com\/vi\/wp-json\/wp\/v2\/pages\/2345","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sayoon-dc.com\/vi\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/sayoon-dc.com\/vi\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/sayoon-dc.com\/vi\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/sayoon-dc.com\/vi\/wp-json\/wp\/v2\/comments?post=2345"}],"version-history":[{"count":2,"href":"https:\/\/sayoon-dc.com\/vi\/wp-json\/wp\/v2\/pages\/2345\/revisions"}],"predecessor-version":[{"id":2657,"href":"https:\/\/sayoon-dc.com\/vi\/wp-json\/wp\/v2\/pages\/2345\/revisions\/2657"}],"wp:attachment":[{"href":"https:\/\/sayoon-dc.com\/vi\/wp-json\/wp\/v2\/media?parent=2345"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}