{"id":2875,"date":"2026-07-30T11:45:50","date_gmt":"2026-07-30T03:45:50","guid":{"rendered":"https:\/\/eqsvq3fzct.wpdns.site\/product\/mccb-circuit-breaker-csdm7l-250l-4300b-4p-csdm7l-series-rccb-earth-leakage-protection-type-400v-250a-3-poles-4-poles\/"},"modified":"2026-10-21T09:14:06","modified_gmt":"2026-10-21T01:14:06","slug":"mccb-circuit-breaker-csdm7l-250l-4300b-4p-csdm7l-series-rccb-earth-leakage-protection-type-400v-250a-3-poles-4-poles","status":"publish","type":"product","link":"https:\/\/w9-group.com\/ru\/product\/mccb-circuit-breaker-csdm7l-250l-4300b-4p-csdm7l-series-rccb-earth-leakage-protection-type-400v-250a-3-poles-4-poles\/","title":{"rendered":"\u0421\u0411\u0414\u041c7\u041b-250\u041b-4300 \u2014 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u043e \u0434\u043b\u044f \u0437\u0430\u0449\u0438\u0442\u044b \u043e\u0442 \u0443\u0442\u0435\u0447\u043a\u0438 \u044d\u043b\u0435\u043a\u0442\u0440\u043e\u044d\u043d\u0435\u0440\u0433\u0438\u0438"},"content":{"rendered":"<div class=\"ksion-pdp--w9-csdm7l-250l-4300-2875\">\n<nav class=\"ksion-pdp__jump\" aria-label=\"Product page sections\">\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>CSDM7L-250L-4300 Earth Leakage Breaker: 250 A and Pole Selection<\/h2>\n<p>The CSDM7L-250L-4300 earth leakage breaker is a W9 Group residual-current protection product with a 250 A current designation. The listed pole options are 3P and 4P. Specify leakage pickup, operating delay and the intended supply arrangement. Request the exact release specification and voltage rating for the ordered version.<\/p>\n<\/div>\n<div class=\"ksion-pdp__table-wrap\">\n<table class=\"ksion-pdp__spec-table\">\n<caption>CSDM7L-250L-4300 product specifications<\/caption>\n<tbody>\n<tr>\n<th scope=\"row\">Product model<\/th>\n<td>CSDM7L-250L-4300<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Product category<\/th>\n<td>Earth-leakage \/ residual-current protection breaker<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Current designation<\/th>\n<td>250 A<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Pole arrangement<\/th>\n<td>3P \/ 4P options; confirm the ordered version<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Operating voltage<\/th>\n<td>Confirm the voltage schedule for the ordered version<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Residual-current settings<\/th>\n<td>Request sensitivity, waveform response and trip-time data<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Overcurrent coordination<\/th>\n<td>Confirm integrated protection and any required associated protective device<\/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>How to Select CSDM7L-250L-4300 Earth Leakage Breaker Sensitivity and Delay<\/h2>\n<p>Specify the complete model, poles, voltage, current, leakage sensitivity, delay and associated protection when requesting a CSDM7L-250L-4300 quotation from W9 Group.<\/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>Choose the residual-current duty<\/h3>\n<p>Specify the protection objective and load characteristics. Request the sensitivity, waveform response and delay schedule before coordinating upstream and downstream protection.<\/p>\n<\/article>\n<article class=\"ksion-pdp__selection-card\"><span class=\"ksion-pdp__card-index\">02<\/span><\/p>\n<h3>Verify poles and the supply<\/h3>\n<p>Use the full CSDM7L-250L-4300 code and confirm the offered pole arrangement and operating voltage. Request terminal and neutral routing instructions.<\/p>\n<\/article>\n<article class=\"ksion-pdp__selection-card\"><span class=\"ksion-pdp__card-index\">03<\/span><\/p>\n<h3>Check overcurrent coordination<\/h3>\n<p>Confirm whether overload and short-circuit releases are included in the offered assembly. Obtain the separate or integrated overcurrent-protection requirements and fault ratings.<\/p>\n<\/article>\n<article class=\"ksion-pdp__selection-card\"><span class=\"ksion-pdp__card-index\">04<\/span><\/p>\n<h3>Define installation and outputs<\/h3>\n<p>Request dimensions, mounting and terminal instructions. Confirm whether the required function is protective tripping or an alarm output and specify any control accessories.<\/p>\n<\/article>\n<\/div>\n<div class=\"ksion-pdp__application-note\"><strong>Before specifying CSDM7L-250L-4300:<\/strong> Confirm the supplied poles, operating voltage, residual-current pickup and timing, and the complete overcurrent-protection arrangement before installation.<\/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 CSDM7L-250L-4300 Residual Current Protection Product Support<\/h2>\n<\/p><\/div>\n<p>Zhejiang W9 Group Technology Co., Ltd. supplies low-voltage electrical products. For a CSDM7L-250L-4300 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 CSDM7L-250L-4300 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<\/p><\/div>\n<figure class=\"ksion-pdp__evidence-media\">\n        <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/w9-group.com\/wp-content\/uploads\/2026\/07\/oem-circuit-protection-devices.webp\" alt=\"W9 Group OEM and ODM circuit protection product scope\" width=\"1000\" height=\"669\"><figcaption>W9 Group circuit-protection range \u2014 category illustration.<\/figcaption><\/figure>\n<\/p><\/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>CSDM7L-250L-4300 Earth Leakage Breaker Wiring and Coordination Documents<\/h2>\n<p>Use technical support and related products to specify CSDM7L-250L-4300. Request a datasheet and wiring diagram matching the selected CSDM7L-250L-4300 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\/mccb-circuit-breaker-csdm7l-400a-4300b-4p-csdm7l-series-rccb-earth-leakage-protection-type-400v-400a-4-poles\/\"><span>RELATED PRODUCT<\/span><strong>CSDM7L-400A-4300<\/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 CSDM7L-250L-4300 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>CSDM7L-250L-4300 Earth Leakage Breaker FAQs: Poles, Voltage and Protection<\/h2>\n<p>Find answers about CSDM7L-250L-4300 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\">What current is listed for CSDM7L-250L-4300?<\/summary>\n<p class=\"ksion-pdp__faq-answer\">The product summary lists 250 A. Confirm the exact order code, pole arrangement, voltage rating and release version before ordering.<\/p>\n<\/details>\n<details class=\"ksion-pdp__faq-item\">\n<summary class=\"ksion-pdp__faq-question\">Which pole arrangement should I specify?<\/summary>\n<p class=\"ksion-pdp__faq-answer\">The available summary lists 3P and 4P options. Confirm the exact ordered version and neutral connection diagram rather than selecting from the suffix alone.<\/p>\n<\/details>\n<details class=\"ksion-pdp__faq-item\">\n<summary class=\"ksion-pdp__faq-question\">What sensitivity and delay are available?<\/summary>\n<p class=\"ksion-pdp__faq-answer\">Request the exact residual-current pickup and operating-time schedule. The earth-leakage designation does not establish a specific sensitivity, selective delay or waveform class.<\/p>\n<\/details>\n<details class=\"ksion-pdp__faq-item\">\n<summary class=\"ksion-pdp__faq-question\">Which operating voltage applies?<\/summary>\n<p class=\"ksion-pdp__faq-answer\">Confirm the operating voltage of the complete ordered version in the matching datasheet and quotation. Use the same voltage when checking fault ratings and the associated protective device.<\/p>\n<\/details>\n<details class=\"ksion-pdp__faq-item\">\n<summary class=\"ksion-pdp__faq-question\">Does this product include overload and short-circuit protection?<\/summary>\n<p class=\"ksion-pdp__faq-answer\">Confirm the complete release functions and protection arrangement. A residual-current description is not sufficient evidence of integrated overcurrent releases or their breaking capacity.<\/p>\n<\/details>\n<details class=\"ksion-pdp__faq-item\">\n<summary class=\"ksion-pdp__faq-question\">What wiring and coordination documents are needed?<\/summary>\n<p class=\"ksion-pdp__faq-answer\">Request the CSDM7L-250L-4300 terminal and sensing diagram, residual-current trip data, fault-duty schedule and associated protection requirements. Include the supply arrangement and load type in the enquiry.<\/p>\n<\/details>\n<details class=\"ksion-pdp__faq-item\">\n<summary class=\"ksion-pdp__faq-question\">What is needed for a CSDM7L-250L-4300 quotation?<\/summary>\n<p class=\"ksion-pdp__faq-answer\">Send the required configuration, quantity, destination market and document requirements. Ask W9 Group to confirm price, minimum order quantity, samples and lead time for the selected configuration.<\/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\">PRODUCT ENQUIRY<\/p>\n<h2>Request a CSDM7L-250L-4300 Earth Leakage Breaker Quotation<\/h2>\n<p>Tell W9 Group your complete model, poles, voltage, current, leakage sensitivity, delay and associated protection, 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 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The listed pole options are 3P and 4P. Specify leakage pickup, operating delay and the intended supply arrangement. Request the exact release specification and voltage rating for the ordered version.<\/p>\n<p>\u0417\u0430\u043f\u0440\u043e\u0441\u0438\u0442\u0435 \u0443 W9 Group \u0432\u044b\u0431\u0440\u0430\u043d\u043d\u0443\u044e \u043a\u043e\u043d\u0444\u0438\u0433\u0443\u0440\u0430\u0446\u0438\u044e \u0438 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0435 \u0442\u0435\u0445\u043d\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u044b.<\/p>","protected":false},"featured_media":2876,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[69],"product_tag":[],"class_list":["post-2875","product","type-product","status-publish","has-post-thumbnail","product_cat-circuit-protection-products","first","instock","shipping-taxable","product-type-simple"],"acf":[],"_links":{"self":[{"href":"https:\/\/w9-group.com\/ru\/wp-json\/wp\/v2\/product\/2875","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/w9-group.com\/ru\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/w9-group.com\/ru\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/w9-group.com\/ru\/wp-json\/wp\/v2\/comments?post=2875"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/w9-group.com\/ru\/wp-json\/wp\/v2\/media\/2876"}],"wp:attachment":[{"href":"https:\/\/w9-group.com\/ru\/wp-json\/wp\/v2\/media?parent=2875"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/w9-group.com\/ru\/wp-json\/wp\/v2\/product_brand?post=2875"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/w9-group.com\/ru\/wp-json\/wp\/v2\/product_cat?post=2875"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/w9-group.com\/ru\/wp-json\/wp\/v2\/product_tag?post=2875"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}