{"id":417,"date":"2026-07-16T18:40:44","date_gmt":"2026-07-16T16:40:44","guid":{"rendered":"https:\/\/recostock.pl\/?post_type=product&#038;p=417"},"modified":"2026-07-16T18:42:29","modified_gmt":"2026-07-16T16:42:29","slug":"rozlacznik-glowny-siemens-3ld2704-0tk51","status":"publish","type":"product","link":"https:\/\/recostock.pl\/en\/produkt\/rozlacznik-glowny-siemens-3ld2704-0tk51\/","title":{"rendered":"Siemens 3LD2704-0TK51 main switch disconnector 100A 690V &#8211; NEW"},"content":{"rendered":"<h2>Siemens 3LD2704-0TK51 main switch \u2014 description and applications<\/h2>\n<p>The Siemens 3LD2704-0TK51 main switch is a three-pole load-break switch (Hauptschalter) from the SENTRON 3LD2 series, designed for front mounting on the door or mounting plate of a control cabinet. The device is used for manually switching on and off circuits supplying machines and industrial installations, including motor circuits. It joins the RECOSTOCK range as a brand new (factory new) unit from surplus stock and is aimed at maintenance departments, system integrators, and machine builders who need a proven Siemens component without waiting for the manufacturer's standard lead time.<\/p>\n<p>The housing bears the Siemens logo and the switch-disconnector symbol, while the nameplate on the terminal side carries the full technical data, including the catalogue number 3LD2704-0TK51 and the electrical ratings. Three main current paths with screw terminals confirm the device's three-pole design.<\/p>\n<h2>Key features<\/h2>\n<ul>\n<li>Three-pole design \u2014 three visible main current paths with screw terminals.<\/li>\n<li>Rated current AC-21A: 100 A, insulation voltage Ui: 690 V.<\/li>\n<li>Rated current AC-3: 23 A, motor power 37 kW at 400 V (additional values of 30 kW and 22 kW \u2014 the corresponding voltages need to be verified).<\/li>\n<li>Compliance with the IEC\/EN 60947-3 standard.<\/li>\n<li>Black control knob with clearly legible O\/OFF position marking, front-panel mounting.<\/li>\n<li>The set includes three transparent turquoise terminal covers \u2014 their exact function and whether they are part of the standard scope of delivery remain to be confirmed (pending verification).<\/li>\n<li>Origin: Made in Germany, manufactured by Siemens AG<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>The Siemens 3LD2704-0TK51 main switch is a three-pole load-break switch from the SENTRON 3LD2 series, designed for manually switching the power supply of machines and installations in control cabinets on and off. Brand new (factory new) unit from surplus stock, unused, never installed.<\/p>\n<ul>\n<li>3-pole design, front mounting on the cabinet door\/mounting plate<\/li>\n<li>Rated current AC-21A: 100 A, insulation voltage Ui: 690 V<\/li>\n<li>AC-3 current: 23 A, motor power 37 kW at 400 V<\/li>\n<li>Compliant with IEC\/EN 60947-3<\/li>\n<li>Made in Germany, black rotary handle with O\/OFF marking<\/li>\n<\/ul>","protected":false},"featured_media":413,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[54],"product_tag":[],"class_list":["post-417","product","type-product","status-publish","has-post-thumbnail","product_cat-zlacza-przemyslowe","first","instock","taxable","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/recostock.pl\/en\/wp-json\/wp\/v2\/product\/417","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/recostock.pl\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/recostock.pl\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/recostock.pl\/en\/wp-json\/wp\/v2\/comments?post=417"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/recostock.pl\/en\/wp-json\/wp\/v2\/media\/413"}],"wp:attachment":[{"href":"https:\/\/recostock.pl\/en\/wp-json\/wp\/v2\/media?parent=417"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/recostock.pl\/en\/wp-json\/wp\/v2\/product_brand?post=417"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/recostock.pl\/en\/wp-json\/wp\/v2\/product_cat?post=417"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/recostock.pl\/en\/wp-json\/wp\/v2\/product_tag?post=417"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}