{"product_id":"siemens-3rt1045-1ap04","title":"3RT1045-1AP04","description":"\u003ch2\u003eOverview: Siemens 3RT1045-1AP04 Power Contactor\u003c\/h2\u003e\n\u003cp\u003eThe Siemens 3RT1045-1AP04 is a 3-pole power contactor from the SIRIUS series, designed for heavy-duty industrial motor control and power switching. It supports a rated current of 80 A at 400 V AC and motor power capacity up to 37 kW. The contactor operates with a 230 V AC coil at 50 Hz and features 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts. The device has screw terminal connections and is built with frame size S3, suitable for large motor starters requiring reliable and durable operation.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRated Current:\u003c\/strong\u003e 80 A at 400 V AC for high power motor switching.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMotor Power:\u003c\/strong\u003e Supports motors up to 37 kW at 400 V AC.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-pole configuration providing robust three-phase switching.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAuxiliary Contacts:\u003c\/strong\u003e 2 NO + 2 NC for versatile control and signaling options.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoil Voltage:\u003c\/strong\u003e 230 V AC, 50 Hz coil for standard industrial control.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnection Type:\u003c\/strong\u003e Screw terminals ensuring secure wiring connections.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame Size:\u003c\/strong\u003e S3, ideal for large motor control panels.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMechanical Life:\u003c\/strong\u003e Rated for 10 million mechanical switching cycles.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature Range:\u003c\/strong\u003e -25 to +60 °C to cope with industrial environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStatus:\u003c\/strong\u003e Product is phased out, replaced by newer models like Siemens 3RT2038-1AP04.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eRated Current (AC-3)\u003c\/td\u003e\n\u003ctd\u003e80 A at 400 V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eMotor Power Rating\u003c\/td\u003e\n\u003ctd\u003e37 kW at 400 V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eAuxiliary Contacts\u003c\/td\u003e\n\u003ctd\u003e2 Normally Open (NO) + 2 Normally Closed (NC)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eCoil Voltage\u003c\/td\u003e\n\u003ctd\u003e230 V AC, 50 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003ePoles\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eConnection\u003c\/td\u003e\n\u003ctd\u003eScrew Terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eFrame Size\u003c\/td\u003e\n\u003ctd\u003eS3\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eMechanical Service Life\u003c\/td\u003e\n\u003ctd\u003e10,000,000 cycles\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eOperating Temperature Range\u003c\/td\u003e\n\u003ctd\u003e-25 to +60 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eStatus\u003c\/td\u003e\n\u003ctd\u003ePhased out; successor model 3RT2038-1AP04\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eApplications \/ Use Case\u003c\/h2\u003e\n\u003cp\u003eThe Siemens 3RT1045-1AP04 is used in high power industrial motor control and power distribution systems, offering reliable switching and auxiliary control for central automation panels and heavy machinery.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":47796353892651,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/4671\/7995\/files\/Leadtime_e09d805a-7cd6-40c7-8b4f-e2db9b549b49.png?v=1723551734","url":"https:\/\/leadtime.ca\/products\/siemens-3rt1045-1ap04","provider":"LEADTIME","version":"1.0","type":"link"}