{"id":3074,"date":"2026-07-30T11:48:41","date_gmt":"2026-07-30T03:48:41","guid":{"rendered":"https:\/\/eqsvq3fzct.wpdns.site\/product\/jczs80-dc-polarity-dc-miniature-circuit-breaker-mcb\/"},"modified":"2026-10-24T10:07:31","modified_gmt":"2026-10-24T02:07:31","slug":"jczs80-dc-polarity-dc-miniature-circuit-breaker-mcb","status":"publish","type":"product","link":"https:\/\/w9-group.com\/fa\/product\/jczs80-dc-polarity-dc-miniature-circuit-breaker-mcb\/","title":{"rendered":"JCZS80-DC \u067e\u0631\u06cc\u0632 \u062f\u06cc\u0648\u0627\u0631\u06cc \u06a9\u0648\u0686\u06a9 \u0628\u0627 \u0642\u0637\u0628\u06cc\u062a DC (MCB)"},"content":{"rendered":"<div class=\"ksion-pdp--w9-jczs80-dc-3074\">\n<nav aria-label=\"Product page sections\" class=\"ksion-pdp__jump\">\n<a href=\"#specifications\">Specifications<\/a><a href=\"#selection\">Selection<\/a><a href=\"#evidence\">W9 Group<\/a><a href=\"#resources\">Resources<\/a><a href=\"#faq\">FAQ<\/a><a class=\"ksion-pdp__jump-cta\" href=\"#product-enquiry\">Request a quote<\/a><br \/>\n<\/nav>\n<section class=\"ksion-pdp__section\" id=\"specifications\">\n<div class=\"ksion-pdp__section-heading\">\n<p class=\"ksion-pdp__eyebrow\">TECHNICAL DATA<\/p>\n<h2>JCZS80-DC Polarity DC Miniature Circuit Breaker Information<\/h2>\n<p>W9 Group lists JCZS80-DC as a polarity DC miniature circuit breaker. For a DC distribution enquiry, specify the system voltage, current and fault-current direction, and request the terminal-polarity diagram for the exact pole configuration.<\/p>\n<p class=\"ksion-pdp__source-note\" data-title-release-note=\"true\">The title identifies a polarity-sensitive DC breaker, while older prose describes bidirectional protection. Confirm the permitted current direction, terminal markings and available current ratings for the supplied unit.<\/p>\n<\/div>\n<div class=\"ksion-pdp__table-wrap ksion-pdp__original-tables\">\n<table>\n<tbody>\n<tr>\n<td>Product code<\/td>\n<td colspan=\"4\">JCZS80-DC<\/td>\n<\/tr>\n<tr>\n<td>Pole<\/td>\n<td>1 Pole\n<\/td>\n<td>2 Pole\n<\/td>\n<td>3 Pole\n<\/td>\n<td>4 Pole\n<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td colspan=\"2\">Standard<\/td>\n<td colspan=\"2\">IEC\/EN 60947-2,IEC\/EN 60898-1<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"8\">Electrical features<\/td>\n<td colspan=\"2\">Rated current In \u00a0(A)<\/td>\n<td colspan=\"2\">6,10,16,20,25,32,40,50,63<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\">Rated voltage Ue(V)<\/td>\n<td colspan=\"2\">1P:DC300V, \u00a02P:DC600V, \u00a03P:DC 900V, 4P:DC1200V<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\">Insulation voltage Ui (V)<\/td>\n<td colspan=\"2\">1200V<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\">Rated impulse withstand voltage(1.2\/50) Uimp (V)<\/td>\n<td colspan=\"2\">6000V<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\">Rated breaking capacity<\/td>\n<td colspan=\"2\">10KA<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\">Overvoltage category<\/td>\n<td colspan=\"2\">3<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\">Pollution degree<\/td>\n<td colspan=\"2\">3<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\">Instantaneous tripping characteristics<\/td>\n<td colspan=\"2\">B:4In\u00b120%, C\uff1a8In\u00b120%, K: 10In\u00b120%<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"7\">Mechanicalfeatures<\/td>\n<td colspan=\"2\">Electrical life<\/td>\n<td colspan=\"2\">\u22651500<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\">Mechanical life<\/td>\n<td colspan=\"2\">\u226520000<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\">Contact position indicator<\/td>\n<td colspan=\"2\">Yes<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\">Protection degree<\/td>\n<td colspan=\"2\">IP 20<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\">Reference temperature for setting of thermal element(\u00b0C)<\/td>\n<td colspan=\"2\">30<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\">Ambient temperature (with daily average\u226435\u00b0C)<\/td>\n<td colspan=\"2\">-5&#8230;+40 \u00b0C<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\">Storage temperation (\u00b0C)<\/td>\n<td colspan=\"2\">-25&#8230;+70 \u00b0C<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"5\">Installation<\/td>\n<td colspan=\"2\">Terminal connection type<\/td>\n<td colspan=\"2\">Cable\/U-type busbar\/Pin-type busbar<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\">Terminal size top\/bottom for cable<\/td>\n<td colspan=\"2\">25mm2 \/ 18-4 AWG<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\">Terminal size top\/bottom for busbar<\/td>\n<td colspan=\"2\">10mm2 \/ 18-8 AWG<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\">Tightening torque<\/td>\n<td colspan=\"2\">2.5 N*m \/ 22 InI-bs.<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\">Mounting<\/td>\n<td colspan=\"2\">On DIN rail EN 60715 (35mm)<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"4\">Combination with accessories<\/td>\n<td colspan=\"2\">Auxiliary contact<\/td>\n<td colspan=\"2\">Yes<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\">Shunt release<\/td>\n<td colspan=\"2\">Yes<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\">Under voltage release<\/td>\n<td colspan=\"2\">Yes<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\">Alarm contact<\/td>\n<td colspan=\"2\">Yes<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>\n<section class=\"ksion-pdp__section ksion-pdp__section--tint\" id=\"selection\">\n<div class=\"ksion-pdp__section-heading\">\n<p class=\"ksion-pdp__eyebrow\">SELECTION GUIDE<\/p>\n<h2>Selecting JCZS80-DC polarity DC miniature circuit breaker for Your Installation<\/h2>\n<p>Use JCZS80-DC as the enquiry reference and confirm the selected configuration against your circuit, connection and installation requirements.<\/p>\n<\/div>\n<div class=\"ksion-pdp__selection-grid\">\n<article class=\"ksion-pdp__selection-card\"><span class=\"ksion-pdp__card-index\">01<\/span><\/p>\n<h3>Define the supply circuit<\/h3>\n<p>Provide the supply type, maximum circuit voltage and earthing arrangement. Confirm the required pole connection from the matching wiring diagram.<\/p>\n<\/article>\n<article class=\"ksion-pdp__selection-card\"><span class=\"ksion-pdp__card-index\">02<\/span><\/p>\n<h3>Coordinate current and release<\/h3>\n<p>Choose the ordered current using conductor and load duty. Request the exact trip curve and any installation-related derating.<\/p>\n<\/article>\n<article class=\"ksion-pdp__selection-card\"><span class=\"ksion-pdp__card-index\">03<\/span><\/p>\n<h3>Compare fault interruption<\/h3>\n<p>Provide the prospective short-circuit current. Confirm the breaking rating, operating voltage and applicable test standard together.<\/p>\n<\/article>\n<article class=\"ksion-pdp__selection-card\"><span class=\"ksion-pdp__card-index\">04<\/span><\/p>\n<h3>Check installation details<\/h3>\n<p>Request terminal limits, mounting dimensions, torque and accessory compatibility for the complete model code.<\/p>\n<\/article>\n<\/div>\n<div class=\"ksion-pdp__application-note\"><strong>Before specifying JCZS80-DC:<\/strong> Confirm terminal polarity, allowed current direction, ordered current and voltage-specific fault rating using matching documents.<\/div>\n<\/section>\n<section class=\"ksion-pdp__section\" id=\"evidence\">\n<div class=\"ksion-pdp__evidence-grid\">\n<div class=\"ksion-pdp__evidence-copy\">\n<div class=\"ksion-pdp__section-heading\">\n<p class=\"ksion-pdp__eyebrow\">ABOUT W9 GROUP<\/p>\n<h2>W9 Group Support for JCZS80-DC Product Enquiries<\/h2>\n<\/div>\n<p>Zhejiang W9 Group Technology Co., Ltd. supplies low-voltage electrical products. For a JCZS80-DC enquiry, contact W9 Group about configuration and matching product documents.<\/p>\n<div class=\"ksion-pdp__evidence-links\">\n<a href=\"https:\/\/w9-group.com\/about-us\/\"><span>01<\/span><strong>About W9 Group<\/strong><em>Company profile and low-voltage product range<\/em><\/a><br \/>\n<a href=\"https:\/\/w9-group.com\/oem-odm\/\"><span>02<\/span><strong>W9 Group OEM \/ ODM<\/strong><em>Ask about branding and configuration for your JCZS80-DC order<\/em><\/a><br \/>\n<a href=\"https:\/\/w9-group.com\/technical-support\/\"><span>03<\/span><strong>Technical support<\/strong><em>Request model-specific selection and installation documents<\/em><\/a>\n<\/div>\n<\/div>\n<figure class=\"ksion-pdp__evidence-media\">\n<img loading=\"lazy\" decoding=\"async\" alt=\"W9 Group OEM and ODM circuit protection product scope\" height=\"669\" src=\"https:\/\/w9-group.com\/wp-content\/uploads\/2026\/07\/oem-circuit-protection-devices.webp\" width=\"1000\"\/><figcaption>W9 Group circuit-protection range \u2014 category illustration.<\/figcaption><\/figure>\n<\/div>\n<\/section>\n<section class=\"ksion-pdp__section ksion-pdp__section--tint\" id=\"resources\">\n<div class=\"ksion-pdp__section-heading\">\n<p class=\"ksion-pdp__eyebrow\">RELATED RESOURCES<\/p>\n<h2>Request JCZS80-DC DC MCB Polarity and Wiring Instructions<\/h2>\n<p>Use technical support and related products to specify JCZS80-DC. Request a datasheet and wiring diagram matching the selected JCZS80-DC configuration.<\/p>\n<\/div>\n<div class=\"ksion-pdp__resource-list\">\n<a href=\"https:\/\/w9-group.com\/technical-support\/\"><span>TECHNICAL SUPPORT<\/span><strong>Selection and product documentation<\/strong><em>Request the datasheet and wiring drawing for the offered configuration<\/em><\/a><br \/>\n<a href=\"https:\/\/w9-group.com\/product\/wlm6rt-400a-3300-3p-wlm6rt-series-400vac-thermal-magnetic-type-moulded-case-circuit-breaker-400v-690v-mccb-400a-3-poles-adjustable-mccb\/\"><span>RELATED PRODUCT<\/span><strong>WLM6RT adjustable MCCB<\/strong><em>Compare function and configuration; request separate model ratings<\/em><\/a><br \/>\n<a href=\"https:\/\/w9-group.com\/download\/\"><span>DOCUMENTS<\/span><strong>W9 Group download centre<\/strong><em>Request the current document for your quoted JCZS80-DC variant<\/em><\/a>\n<\/div>\n<\/section>\n<section class=\"ksion-pdp__section\" id=\"faq\">\n<div class=\"ksion-pdp__section-heading\">\n<p class=\"ksion-pdp__eyebrow\">BUYER FAQ<\/p>\n<h2>JCZS80-DC DC MCB Polarity and Rating FAQs<\/h2>\n<p>Find answers about JCZS80-DC selection, configuration and ordering.<\/p>\n<\/div>\n<div class=\"ksion-pdp__faq-list\">\n<details class=\"ksion-pdp__faq-item\">\n<summary class=\"ksion-pdp__faq-question\">How should I specify the JCZS80-DC DC operating voltage?<\/summary>\n<p class=\"ksion-pdp__faq-answer\">Provide the maximum circuit voltage and required poles. Confirm the permitted voltage and series-pole connection on a diagram matching the exact JCZS80-DC order code.<\/p>\n<\/details>\n<details class=\"ksion-pdp__faq-item\">\n<summary class=\"ksion-pdp__faq-question\">Can current flow in either direction?<\/summary>\n<p class=\"ksion-pdp__faq-answer\">Confirm the exact polarity markings and permitted fault-current direction with W9 Group before wiring. Use the ordered unit\u2019s diagram, especially for battery and inverter circuits with possible reverse current.<\/p>\n<\/details>\n<details class=\"ksion-pdp__faq-item\">\n<summary class=\"ksion-pdp__faq-question\">Which rated current should I order?<\/summary>\n<p class=\"ksion-pdp__faq-answer\">Request the current schedule for the complete order code and confirm the selected current on the offered nameplate. Match it to conductor duty and the installation conditions.<\/p>\n<\/details>\n<details class=\"ksion-pdp__faq-item\">\n<summary class=\"ksion-pdp__faq-question\">Which JCZS80-DC trip-curve data should I request?<\/summary>\n<p class=\"ksion-pdp__faq-answer\">Request the complete time-current curve for the selected JCZS80-DC rating. Confirm the trip characteristic and any derating against the load and installation conditions.<\/p>\n<\/details>\n<details class=\"ksion-pdp__faq-item\">\n<summary class=\"ksion-pdp__faq-question\">How do I verify JCZS80-DC DC breaking capacity?<\/summary>\n<p class=\"ksion-pdp__faq-answer\">Provide the prospective fault current, circuit voltage and earthing arrangement. Confirm the applicable interruption rating and test conditions for the offered JCZS80-DC pole connection.<\/p>\n<\/details>\n<details class=\"ksion-pdp__faq-item\">\n<summary class=\"ksion-pdp__faq-question\">Does this MCB provide residual-current detection?<\/summary>\n<p class=\"ksion-pdp__faq-answer\">The listed release functions are overload and short-circuit protection. Confirm the separate residual-current or insulation-monitoring arrangement required for the complete system.<\/p>\n<\/details>\n<details class=\"ksion-pdp__faq-item\">\n<summary class=\"ksion-pdp__faq-question\">What should I send for a JCZS80-DC quotation?<\/summary>\n<p class=\"ksion-pdp__faq-answer\">Send the complete JCZS80-DC designation, required configuration, quantity, destination market and documents needed. Ask W9 Group to confirm the offered item, price, minimum order quantity and delivery terms.<\/p>\n<\/details>\n<\/div>\n<\/section>\n<section class=\"ksion-pdp__section\" id=\"product-enquiry\">\n<div class=\"ksion-pdp__enquiry\">\n<div class=\"ksion-pdp__enquiry-copy\">\n<p class=\"ksion-pdp__eyebrow\">Send W9 Group the complete JCZS80-DC designation, circuit or host-equipment requirements, quantity and destination market. Request the exact offered configuration and its matching technical documents.<\/p>\n<h2>Request JCZS80-DC Pricing and Technical Documents<\/h2>\n<p>Tell W9 Group your complete order code, circuit duty, installation conditions and required documents, quantity and destination market so the selected configuration can be identified.<\/p>\n<\/div>\n<p><a class=\"ksion-pdp__button ksion-pdp__button--primary\" href=\"https:\/\/w9-group.com\/contact-us\/\">Contact W9 Group<\/a><\/div>\n<\/section>\n<\/div>\n<style id=\"kt-product-pdp-styles\">.ksion-pdp--w9-jczs80-dc-3074{all:initial;display:block;isolation:isolate;box-sizing:border-box;--ksion-ink:#172433;--ksion-muted:#5f6e7d;--ksion-blue:#1468a8;--ksion-blue-dark:#0d4878;--ksion-cyan:#37bfd1;--ksion-line:#dddddd;--ksion-panel:#f5f5f5;--ksion-paper:#ffffff;--ksion-note:#f5f5f5;color:var(--ksion-ink);background:var(--ksion-paper);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,\"Segoe 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