{"id":2296,"date":"2026-07-30T11:27:51","date_gmt":"2026-07-30T03:27:51","guid":{"rendered":"https:\/\/eqsvq3fzct.wpdns.site\/product\/cj19-changeover-capacitor-ac-contactor\/"},"modified":"2026-10-16T10:23:35","modified_gmt":"2026-10-16T02:23:35","slug":"cj19-changeover-capacitor-ac-contactor","status":"publish","type":"product","link":"https:\/\/w9-group.com\/ja\/product\/cj19-changeover-capacitor-ac-contactor\/","title":{"rendered":"CJ19\u30b3\u30f3\u30c7\u30f3\u30b5\u30b9\u30a4\u30c3\u30c1\u30b3\u30f3\u30bf\u30af\u30bf"},"content":{"rendered":"<div class=\"ksion-pdp--w9-cj19-2296\">\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>CJ19 Capacitor Switching Contactor Specifications<\/h2>\n<p>The CJ19 capacitor switching contactor is listed by W9 Group for switching low-voltage shunt capacitors in reactive-power compensation equipment. The source describes an inrush-limiting arrangement. Specify capacitor step capacity, supply voltage, switching duty and coil supply for the chosen size.<\/p>\n<\/div>\n<div class=\"ksion-pdp__table-wrap\">\n<table class=\"ksion-pdp__spec-table\">\n<caption>CJ19 product specifications<\/caption>\n<tbody>\n<tr>\n<th scope=\"row\">Series<\/th>\n<td>CJ19<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Application<\/th>\n<td>Low-voltage shunt-capacitor switching \/ reactive-power compensation<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Design feature listed<\/th>\n<td>Switching-inrush restraint arrangement<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Summary supply context<\/th>\n<td>380 V, 50 Hz; confirm the required variant<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Capacitor step selection<\/th>\n<td>Confirm the model-specific capacity at the operating voltage<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Coil supply<\/th>\n<td>Confirm voltage, frequency and complete coil code<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Mounting<\/th>\n<td>Screw or rail arrangement depends on frame size<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Coordination<\/th>\n<td>Confirm capacitor discharge, short-circuit protection and switching controls<\/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 a Capacitor Bank Contactor by Load and Coil Voltage<\/h2>\n<p>Specify the capacitor step capacity, system voltage\/frequency, coil supply, switching sequence and mounting size when requesting a CJ19 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>State the capacitor step<\/h3>\n<p>Provide the step capacity, system voltage and frequency. Request the matching model-specific capacitor-switching rating.<\/p>\n<\/article>\n<article class=\"ksion-pdp__selection-card\"><span class=\"ksion-pdp__card-index\">02<\/span><\/p>\n<h3>Check switching inrush<\/h3>\n<p>Confirm that the offered inrush-limiting arrangement is suitable for the bank configuration and switching sequence.<\/p>\n<\/article>\n<article class=\"ksion-pdp__selection-card\"><span class=\"ksion-pdp__card-index\">03<\/span><\/p>\n<h3>Choose the coil and controls<\/h3>\n<p>Specify the control-supply voltage and frequency together with the required auxiliary contacts.<\/p>\n<\/article>\n<article class=\"ksion-pdp__selection-card\"><span class=\"ksion-pdp__card-index\">04<\/span><\/p>\n<h3>Confirm size and mounting<\/h3>\n<p>Request the selected model\u2019s dimensions and screw \/ rail fixing details. Confirm terminal capacity and protection coordination.<\/p>\n<\/article>\n<\/div>\n<div class=\"ksion-pdp__application-note\"><strong>Before specifying CJ19:<\/strong> Confirm the exact model, capacitor capacity at voltage, inrush arrangement, coil code and mounting drawing. Do not use thermal current as capacitor switching capacity.<\/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 Capacitor Contactor Supply and Support<\/h2>\n<\/p><\/div>\n<p>Zhejiang W9 Group Technology Co., Ltd. supplies low-voltage electrical products. For a CJ19 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 CJ19 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>CJ19 Capacitor Switching Contactor Rating and Coil Information<\/h2>\n<p>Use W9 Group technical support and the product directory to specify CJ19. Request a datasheet and wiring diagram matching the selected CJ19 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 CJ19 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>CJ19 Contactor FAQs: Inrush Current, Capacity and Mounting<\/h2>\n<p>Find answers about CJ19 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 is CJ19 designed to switch?<\/summary>\n<p class=\"ksion-pdp__faq-answer\">The supplier lists low-voltage shunt capacitors used in reactive-power compensation equipment. It is a capacitor-switching contactor rather than a general protection device.<\/p>\n<\/details>\n<details class=\"ksion-pdp__faq-item\">\n<summary class=\"ksion-pdp__faq-question\">Why does capacitor switching need an inrush arrangement?<\/summary>\n<p class=\"ksion-pdp__faq-answer\">The source describes restraint of switching inrush for capacitor duty. Confirm the offered arrangement against the bank size and operating conditions.<\/p>\n<\/details>\n<details class=\"ksion-pdp__faq-item\">\n<summary class=\"ksion-pdp__faq-question\">Can I size CJ19 using only its thermal current?<\/summary>\n<p class=\"ksion-pdp__faq-answer\">No. Confirm the capacitor-switching capacity at the actual system voltage. A thermal-current row alone does not establish the permitted capacitor step.<\/p>\n<\/details>\n<details class=\"ksion-pdp__faq-item\">\n<summary class=\"ksion-pdp__faq-question\">What capacitor capacity can each model switch?<\/summary>\n<p class=\"ksion-pdp__faq-answer\">The source has a model and voltage matrix, but its units and series coverage are not sufficiently clear for a universal capacity claim. Confirm the manufacturer\u2019s capacity table for the offered model.<\/p>\n<\/details>\n<details class=\"ksion-pdp__faq-item\">\n<summary class=\"ksion-pdp__faq-question\">Which coil voltage should be ordered?<\/summary>\n<p class=\"ksion-pdp__faq-answer\">Specify the actual control voltage and frequency, then confirm the coil code. The capacitor-bank supply and contactor-coil supply are separate selection inputs.<\/p>\n<\/details>\n<details class=\"ksion-pdp__faq-item\">\n<summary class=\"ksion-pdp__faq-question\">Does every CJ19 size use the same DIN rail?<\/summary>\n<p class=\"ksion-pdp__faq-answer\">No common fixing should be assumed. The page describes different screw and rail arrangements by size; confirm the mounting drawing for the chosen frame.<\/p>\n<\/details>\n<details class=\"ksion-pdp__faq-item\">\n<summary class=\"ksion-pdp__faq-question\">What is needed for a CJ19 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 CJ19 Capacitor Switching Contactor Quotation<\/h2>\n<p>Tell W9 Group your capacitor step capacity, system voltage\/frequency, coil supply, switching sequence and mounting size, 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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