{"id":6549,"date":"2026-10-24T13:49:23","date_gmt":"2026-10-24T13:49:23","guid":{"rendered":"https:\/\/www.rendatsp.com\/product\/siemens-3rv2921-1m-signaling-switch-for-circuit-breaker-3rv2-with-screw-terminal\/"},"modified":"2026-10-24T13:49:23","modified_gmt":"2026-10-24T13:49:23","slug":"siemens-3rv2921-1m-signaling-switch-for-circuit-breaker-3rv2-with-screw-terminal","status":"publish","type":"product","link":"https:\/\/www.rendatsp.com\/ar\/product\/siemens-3rv2921-1m-signaling-switch-for-circuit-breaker-3rv2-with-screw-terminal\/","title":{"rendered":"Siemens 3RV2921-1M signaling switch for circuit breaker 3RV2 with screw terminal"},"content":{"rendered":"<p>Siemens 3RV2921-1M (SIRIUS 3RV2 accessories): signaling switch for circuit breaker 3RV2 with screw terminal.<\/p>\n<p>Accessories extend 3RV2 breakers with auxiliary contacts, alarm switches, releases and busbars.<\/p>\n<p>See our <a href=\"https:\/\/www.rendatsp.com\/ar\/product-category\/siemens\/\">Siemens range<\/a>.<\/p>\n<h3>Technical data<\/h3>\n<table>\n<tbody>\n<tr>\n<th>Siemens order number<\/th>\n<td>3RV2921-1M<\/td>\n<\/tr>\n<tr>\n<th>Product type designation<\/th>\n<td>3RV29<\/td>\n<\/tr>\n<tr>\n<th>Ambient temperature (operation)<\/th>\n<td>-20 &#8230; +60 \u00b0C<\/td>\n<\/tr>\n<tr>\n<th>Dimensions (W x H x D)<\/th>\n<td>18 x 90 x 68 mm<\/td>\n<\/tr>\n<tr>\n<th>Weight, approx.<\/th>\n<td>0.093 kg<\/td>\n<\/tr>\n<tr>\n<th>Product category<\/th>\n<td>Auxiliary switch<\/td>\n<\/tr>\n<tr>\n<th>Product designation<\/th>\n<td>signaling switch<\/td>\n<\/tr>\n<tr>\n<th>Design of the product<\/th>\n<td>separate tripped signal and short circuit alarm, 1 NO + 1 NC each<\/td>\n<\/tr>\n<tr>\n<th>Size of the circuit-breaker<\/th>\n<td>S00, S0, S2, S3<\/td>\n<\/tr>\n<tr>\n<th>Display version LED<\/th>\n<td>\u0644\u0627 \u064a\u0648\u062c\u062f<\/td>\n<\/tr>\n<tr>\n<th>Insulation voltage rated value<\/th>\n<td>690 V<\/td>\n<\/tr>\n<tr>\n<th>Degree of pollution<\/th>\n<td>3<\/td>\n<\/tr>\n<tr>\n<th>Surge voltage resistance rated value<\/th>\n<td>6 kV<\/td>\n<\/tr>\n<tr>\n<th>Protection class IP on the front &gt; according to IEC 60529<\/th>\n<td>IP20<\/td>\n<\/tr>\n<tr>\n<th>Net Weight<\/th>\n<td>92.78 g<\/td>\n<\/tr>\n<tr>\n<th>Number of NC contacts for auxiliary contacts instantaneous<\/th>\n<td>1<\/td>\n<\/tr>\n<tr>\n<th>Number of CO contacts of auxiliary contacts instantaneous<\/th>\n<td>0<\/td>\n<\/tr>\n<tr>\n<th>Operational current at AC-15 at 690 V rated value<\/th>\n<td>1 A<\/td>\n<\/tr>\n<tr>\n<th>Operational current of auxiliary contacts at AC-12 &gt; at 24 V<\/th>\n<td>10 A<\/td>\n<\/tr>\n<tr>\n<th>Condition<\/th>\n<td>New, original Siemens<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Typical applications<\/h3>\n<ul>\n<li>Feedback to PLC<\/li>\n<li>Panel assembly<\/li>\n<\/ul>\n<h3>Compatibility and replacement<\/h3>\n<p>Check the breaker size.<\/p>\n<h3>Before you replace it<\/h3>\n<ul>\n<li>Look for signs of overvoltage, water or heat damage in the cabinet so the new part does not fail for the same reason.<\/li>\n<li>Check the supply voltage and wiring of the old unit before installing the new one.<\/li>\n<li>Back up the program and parameters from the old device if it still runs.<\/li>\n<\/ul>\n<h3>Frequently asked questions<\/h3>\n<h4>Which breakers does it fit?<\/h4>\n<p>3RV2 sizes as listed by Siemens.<\/p>\n<h4>Can I get a datasheet?<\/h4>\n<p>The official manufacturer datasheet is the source of the technical data above; we can send the PDF with the quotation on request.<\/p>\n<h4>Do you supply larger quantities for projects?<\/h4>\n<p>Yes. For panel builders and plant projects we quote complete lists; send the bill of materials on WhatsApp or through the inquiry form.<\/p>\n<h4>Can I get a price and delivery time?<\/h4>\n<p>Prices are quoted on request. Send the order number, quantity and delivery country on WhatsApp and we will reply with price and delivery time; air shipping is usually 5 to 7 days once ready, with a 1-year warranty.<\/p>\n<h3>Before you order<\/h3>\n<p>Compare the complete order number on the old unit with this page, including the suffix: in most ranges the last characters set the coil voltage, current range or version. If the label is worn, send us a photo and we will identify the part.<\/p>\n<p>Need it fast? Send the order number, quantity and delivery country on WhatsApp or through the inquiry form and we reply with a quotation the same working day. All parts are new and original, covered by a 1-year warranty, and ship worldwide by air in 5 to 7 days once ready (<a href=\"https:\/\/www.rendatsp.com\/ar\/shipping-payment-warranty\/\">shipping, payment and warranty<\/a>). Local agents: Saudi Arabia, Iraq, the UAE, Egypt, Oman, Libya, Morocco, Mauritania, Yemen, Algeria and Jordan.<\/p>","protected":false},"excerpt":{"rendered":"<p>Genuine Siemens 3RV2921-1M: signaling switch for circuit breaker 3RV2 with screw terminal. New original Siemens, supplied by RendatSP with worldwide shipping.<\/p>","protected":false},"featured_media":6349,"template":"","meta":{"_monsterinsights_skip_tracking":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"product_brand":[137],"product_cat":[43,350],"product_tag":[],"class_list":["post-6549","product","type-product","status-publish","has-post-thumbnail","product_brand-siemens","product_cat-siemens","product_cat-sirius-3rv2-motor-starter-protectors","desktop-align-center","tablet-align-left","mobile-align-left","first","instock","taxable","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/www.rendatsp.com\/ar\/wp-json\/wp\/v2\/product\/6549","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.rendatsp.com\/ar\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.rendatsp.com\/ar\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.rendatsp.com\/ar\/wp-json\/wp\/v2\/media\/6349"}],"wp:attachment":[{"href":"https:\/\/www.rendatsp.com\/ar\/wp-json\/wp\/v2\/media?parent=6549"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.rendatsp.com\/ar\/wp-json\/wp\/v2\/product_brand?post=6549"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.rendatsp.com\/ar\/wp-json\/wp\/v2\/product_cat?post=6549"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.rendatsp.com\/ar\/wp-json\/wp\/v2\/product_tag?post=6549"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}