{"id":9522,"date":"2026-04-08T11:23:56","date_gmt":"2026-04-08T09:23:56","guid":{"rendered":"https:\/\/flash-electric.com\/Flash\/?post_type=product&#038;p=9522"},"modified":"2026-04-08T11:25:49","modified_gmt":"2026-04-08T09:25:49","slug":"3rt1025-1ac20-siemens","status":"publish","type":"product","link":"https:\/\/flash-electric.com\/Flash\/product\/3rt1025-1ac20-siemens\/","title":{"rendered":"Siemens 3RT1025-1AC20 SIRIUS Power Contactor 24V AC"},"content":{"rendered":"<h2>3RT1025-1AC20 Siemens Overview<\/h2>\n<p><strong>3RT1025-1AC20 Siemens<\/strong> is a SIRIUS power contactor designed for reliable switching and motor control in industrial automation systems. It is commonly used in control panels, machinery, motor starters, and automation applications where dependable electrical switching is required.<\/p>\n<p>Siemens designed this contactor with a <strong>3-pole main contact configuration<\/strong> and a <strong>24V AC control coil<\/strong>, making it suitable for many industrial control circuits. In addition, the contactor includes <strong>auxiliary contacts<\/strong> for control and interlocking functions, while the <strong>screw terminal design<\/strong> helps simplify installation and field wiring inside electrical panels.<\/p>\n<h2>Key Features of 3RT1025-1AC20 Siemens<\/h2>\n<ul>\n<li>SIRIUS power contactor for industrial switching<\/li>\n<li>3-pole contactor design<\/li>\n<li>24V AC coil voltage<\/li>\n<li>Suitable for motor control applications<\/li>\n<li>Auxiliary contacts for control circuits<\/li>\n<li>Screw terminal connection<\/li>\n<li>Reliable Siemens industrial performance<\/li>\n<li>Compact design for panel installation<\/li>\n<\/ul>\n<h2>Applications of 3RT1025-1AC20 Siemens<\/h2>\n<p>Engineers use <strong>3RT1025-1AC20 Siemens<\/strong> in motor starters, conveyor systems, compressors, pumps, HVAC systems, packaging machines, and factory automation panels. For example, this contactor can switch motors, control loads, and support machine operation in industrial environments.<\/p>\n<p>Because Siemens SIRIUS contactors are known for reliability and long service life, this model is a practical choice for OEM panels, maintenance replacement, and new automation projects. .<\/p>\n<h2>Technical Specifications of 3RT1025-1AC20 Siemens<\/h2>\n<ul>\n<li><strong>Brand:<\/strong> Siemens<\/li>\n<li><strong>Part Number:<\/strong> 3RT1025-1AC20<\/li>\n<li><strong>Series:<\/strong> SIRIUS<\/li>\n<li><strong>Product Type:<\/strong> Power Contactor<\/li>\n<li><strong>Main Poles:<\/strong> 3-Pole<\/li>\n<li><strong>Coil Voltage:<\/strong> 24V AC<\/li>\n<li><strong>Auxiliary Contacts:<\/strong> 1 NO + 1 NC<\/li>\n<li><strong>Terminal Type:<\/strong> Screw terminals<\/li>\n<li><strong>Application:<\/strong> Motor switching and industrial control<\/li>\n<\/ul>\n<h2>Why Choose 3RT1025-1AC20 Siemens?<\/h2>\n<p>This Siemens SIRIUS contactor offers dependable switching performance for industrial motor and load control. Therefore, it is a strong choice for panel builders, maintenance engineers, and automation professionals who need reliable control components with trusted Siemens quality.<\/p>\n<h2>References &#038; Documentation<\/h2>\n<p>For official Siemens manuals and datasheets, visit <a href=\"https:\/\/support.industry.siemens.com\/\" target=\"_blank\" rel=\"noopener\">Siemens Industry Support<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Siemens 3RT1025-1AC20 is a SIRIUS power contactor designed for industrial motor switching and control panel applications. It features a 3-pole design, 24V AC coil, auxiliary contacts, and screw terminal connection for reliable automation performance.<\/p>\n","protected":false},"featured_media":9523,"comment_status":"closed","ping_status":"closed","template":"","meta":{"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":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","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":[100],"product_cat":[91],"product_tag":[239,240,235,237,129,241,238,102,242,236],"class_list":{"0":"post-9522","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-siemens","7":"product_cat-siemens","8":"product_tag-24v-ac","9":"product_tag-3-pole","10":"product_tag-3rt1025-1ac20","11":"product_tag-contactor","12":"product_tag-industrial-automation","13":"product_tag-motor-control","14":"product_tag-power-contactor","15":"product_tag-siemens","16":"product_tag-siemens-contactor","17":"product_tag-sirius","18":"desktop-align-center","19":"tablet-align-center","20":"mobile-align-center","22":"first","23":"instock","24":"taxable","25":"shipping-taxable","26":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - 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