{"id":2181,"date":"2026-07-30T11:26:13","date_gmt":"2026-07-30T03:26:13","guid":{"rendered":"https:\/\/eqsvq3fzct.wpdns.site\/product\/jcb2-40m-miniature-circuit-breaker-6ka-1p-n\/"},"modified":"2026-10-16T10:23:22","modified_gmt":"2026-10-16T02:23:22","slug":"jcb2-40m-miniature-circuit-breaker-6ka-1p-n","status":"publish","type":"product","link":"https:\/\/w9-group.com\/es\/product\/jcb2-40m-miniature-circuit-breaker-6ka-1p-n\/","title":{"rendered":"JCB3-40M MCB"},"content":{"rendered":"<div class=\"ksion-pdp--w9-jcb3-40m-2181\">\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>JCB3-40M 6kA 1P+N MCB Specifications<\/h2>\n<p>The JCB3-40M MCB is a miniature circuit breaker for overload and short-circuit protection. W9 Group lists 1\u201340 A and a 6 kA breaking rating, with 1P+N configurations. Its 18 mm single-module format is intended for compact distribution-board layouts.<\/p>\n<\/div>\n<div class=\"ksion-pdp__table-wrap\">\n<table class=\"ksion-pdp__spec-table\">\n<caption>JCB3-40M product specifications<\/caption>\n<tbody>\n<tr>\n<th scope=\"row\">Product model<\/th>\n<td>JCB3-40M<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Protection<\/th>\n<td>Overload and short circuit<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Catalog current range<\/th>\n<td>1\u201340 A<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Pole options<\/th>\n<td>1P+N<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Breaking capacity listed<\/th>\n<td>6 kA<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Trip curves<\/th>\n<td>B \/ C<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Mounting<\/th>\n<td>35 mm DIN rail<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Protection degree<\/th>\n<td>IP20<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Standard listed<\/th>\n<td>IEC 60898-1; request matching documentation<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Module width<\/th>\n<td>18 mm single module<\/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 an 18mm 1P+N Miniature Circuit Breaker<\/h2>\n<p>Specify the rated current, pole count, trip curve, operating voltage and board connection details when requesting a JCB3-40M 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>Match current to the circuit<\/h3>\n<p>The catalog covers 1\u201340 A. Confirm the required current step and coordinate it with the circuit conductors and load.<\/p>\n<\/article>\n<article class=\"ksion-pdp__selection-card\"><span class=\"ksion-pdp__card-index\">02<\/span><\/p>\n<h3>Choose the trip curve<\/h3>\n<p>The reviewed matching features list B \/ C. Request the selected time-current curve for starting-current and coordination checks.<\/p>\n<\/article>\n<article class=\"ksion-pdp__selection-card\"><span class=\"ksion-pdp__card-index\">03<\/span><\/p>\n<h3>Specify poles and supply<\/h3>\n<p>State the supply voltage and required 1P+N arrangement. Confirm the wiring diagram and terminal allocation.<\/p>\n<\/article>\n<article class=\"ksion-pdp__selection-card\"><span class=\"ksion-pdp__card-index\">04<\/span><\/p>\n<h3>Check the board space<\/h3>\n<p>Allow for the listed 18 mm single-module body and confirm terminal and busbar compatibility.<\/p>\n<\/article>\n<\/div>\n<div class=\"ksion-pdp__application-note\"><strong>Before specifying JCB3-40M:<\/strong> Confirm the ordered current, pole configuration, operating voltage and trip curve. Use the matching model datasheet for installation and fault-duty checks.<\/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 MCB Supply and Support<\/h2>\n<\/p><\/div>\n<p>Zhejiang W9 Group Technology Co., Ltd. supplies low-voltage electrical products. For a JCB3-40M 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 JCB3-40M 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>JCB3-40M MCB Datasheet and DIN Rail Installation Information<\/h2>\n<p>Use W9 Group technical support and the product directory to specify JCB3-40M. Request a datasheet and wiring diagram matching the selected JCB3-40M 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 connection drawing for the offered configuration<\/em><\/a><br \/>\n      <a href=\"https:\/\/w9-group.com\/products\/\"><span>PRODUCT DIRECTORY<\/span><strong>Explore W9 Group products<\/strong><em>Browse W9 Group models and request the specifications of the selected product<\/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 JCB3-40M 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>JCB3-40M MCB FAQs: Current, Trip Curve and Board Fit<\/h2>\n<p>Find answers about JCB3-40M 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 does JCB3-40M protect against?<\/summary>\n<p class=\"ksion-pdp__faq-answer\">The product is listed for overload and short-circuit protection. Residual-current protection requires a suitable additional device or an RCBO configuration.<\/p>\n<\/details>\n<details class=\"ksion-pdp__faq-item\">\n<summary class=\"ksion-pdp__faq-question\">Which currents are listed for JCB3-40M?<\/summary>\n<p class=\"ksion-pdp__faq-answer\">The target-model summary lists a 1\u201340 A range. Confirm the individual current rating and complete order code.<\/p>\n<\/details>\n<details class=\"ksion-pdp__faq-item\">\n<summary class=\"ksion-pdp__faq-question\">Which pole configurations are offered?<\/summary>\n<p class=\"ksion-pdp__faq-answer\">This page lists 1P+N. Confirm the wiring and neutral arrangement in the matching product drawing.<\/p>\n<\/details>\n<details class=\"ksion-pdp__faq-item\">\n<summary class=\"ksion-pdp__faq-question\">How do I specify the trip curve?<\/summary>\n<p class=\"ksion-pdp__faq-answer\">The matching features list B \/ C. Select using the load starting current and protective coordination, and request the corresponding curve.<\/p>\n<\/details>\n<details class=\"ksion-pdp__faq-item\">\n<summary class=\"ksion-pdp__faq-question\">Is the listed 6kA rating suitable for every board?<\/summary>\n<p class=\"ksion-pdp__faq-answer\">The breaking rating must meet the prospective short-circuit current at the installation point. Confirm the applicable voltage and rating on the supplied datasheet.<\/p>\n<\/details>\n<details class=\"ksion-pdp__faq-item\">\n<summary class=\"ksion-pdp__faq-question\">How is this MCB installed?<\/summary>\n<p class=\"ksion-pdp__faq-answer\">The source lists 35 mm DIN-rail mounting. Confirm the terminal capacity, busbar type, dimensions and tightening instructions for the ordered version.<\/p>\n<\/details>\n<details class=\"ksion-pdp__faq-item\">\n<summary class=\"ksion-pdp__faq-question\">What is needed for a JCB3-40M 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 JCB3-40M MCB Quotation<\/h2>\n<p>Tell W9 Group your rated current, pole count, trip curve, operating voltage and board connection details, 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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