{"product_id":"siemens-3rt2028-1ac20-three-phase-contactor-with-auxiliary-contacts","title":"Siemens 3RT2028-1AC20 Three Phase Contactor With Auxiliary Contacts","description":"\u003cdiv\u003e\u003cp\u003eSiemens 3RT2028-1AC20 is a three-pole Sirius power contactor designed for AC-3e motor-start duty. It provides three-phase switching at 400 V with a 38 A current rating and an 18.5 kW load rating, housed in the compact S0 size and featuring screw terminals. The coil is 24 V AC (50\/60 Hz), allowing straightforward control from standard PLCs or relays. This model includes one normally open and one normally closed auxiliary contact, enabling simple feedback or interlock wiring; additional signaling options can be added with Siemens-compatible auxiliary blocks. As part of the Siemens SIRIUS 3RT family, the 3RT2028-1AC20 is well suited for motor-control tasks in industrial automation, such as pumps, conveyors, and fans, where reliable actuation of a three-phase load and status feedback are needed.\u003c\/p\u003e\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"New","offer_id":46268119548138,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0716\/8039\/3450\/files\/GTG-STOCK-017.png?v=1788727429","url":"https:\/\/gtghardware.com\/products\/siemens-3rt2028-1ac20-three-phase-contactor-with-auxiliary-contacts","provider":"GTG Hardware","version":"1.0","type":"link"}