{"product_id":"siemens-sentron-7lf4-digital-time-switches","title":"Siemens SENTRON 7LF4 digital time switches (Mini, Top, Profi, Astro)","description":"\u003cp class=\"ps-intro\"\u003eSENTRON 7LF4 digital time switches in Mini, Top, Profi and Astro versions with weekly programs, plus data key, USB adapter and front panel holder.\u003c\/p\u003e\u003ch4 class=\"ps-h\"\u003eKey features\u003c\/h4\u003e\u003cul class=\"ps-feat\"\u003e\n\u003cli\u003eWeekly program with 28 programs (Mini\/Top) and extended programs for Profi\/Astro\u003c\/li\u003e\n\u003cli\u003eProfi and Astro: vacation, random and expert modes, 15 languages\u003c\/li\u003e\n\u003cli\u003eAstro function for switching at sunrise\/sunset\u003c\/li\u003e\n\u003cli\u003eAutomatic daylight-saving adjustment (Mini, Profi, Astro)\u003c\/li\u003e\n\u003cli\u003ePC programming with 7LF4941-0 USB adapter and 7LF4941-1 data key\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4 class=\"ps-h\"\u003eSpecifications\u003c\/h4\u003e\u003ctable class=\"ps-kv\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eSiemens SENTRON\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeries\u003c\/th\u003e\n\u003ctd\u003e7LF4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRated operational voltage Ue\u003c\/th\u003e\n\u003ctd\u003e250 V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFrequency\u003c\/th\u003e\n\u003ctd\u003e50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStandards\u003c\/th\u003e\n\u003ctd\u003eEN 60730-1, -2-7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMounting\u003c\/th\u003e\n\u003ctd\u003eDIN rail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSource\u003c\/th\u003e\n\u003ctd\u003eSiemens Catalog LV 10 · 2026, p. 490-494\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ctable class=\"ps-src\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e7LF4501-5\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eVersion: Mini | Contacts: 1 NO | Uc: 230 V AC | Channels: 1 | Mounting width: 1 MW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7LF4511-0\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eVersion: Top | Contacts: 1 CO | Uc: 230 V AC | Channels: 1 | Mounting width: 2 MW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7LF4512-0\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eVersion: Top | Contacts: 2 CO | Uc: 230 V AC | Channels: 2 | Mounting width: 2 MW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7LF4521-0\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eVersion: Profi | Contacts: 1 CO | Uc: 230 V AC | Channels: 1 | Mounting width: 2 MW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7LF4521-2\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eVersion: Profi | Contacts: 1 CO | Uc: 24 V AC\/DC | Channels: 1 | Mounting width: 2 MW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7LF4522-0\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eVersion: Profi | Contacts: 2 CO | Uc: 230 V AC | Channels: 2 | Mounting width: 2 MW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7LF4522-2\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eVersion: Profi | Contacts: 2 CO | Uc: 24 V AC\/DC | Channels: 2 | Mounting width: 2 MW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7LF4531-0\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eVersion: Astro | Contacts: 1 CO | Uc: 230 V AC | Channels: 1 | Mounting width: 2 MW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7LF4532-0\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eVersion: Astro | Contacts: 2 CO | Uc: 230 V AC | Channels: 2 | Mounting width: 2 MW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7LF4941-1\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eVersion: Data key for Profi\/Astro | Contacts: - | Uc: - | Channels: - | Mounting width: -\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7LF4941-0\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eVersion: USB adapter + software (Profi\/Astro) | Contacts: - | Uc: - | Channels: - | Mounting width: -\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":67535326740770,"sku":"7LF4501-5","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1021\/0744\/7586\/files\/siemens-sentron-7lf4-digital-time-switches.jpg?v=1792150051","url":"https:\/\/prosourcemro.com\/products\/siemens-sentron-7lf4-digital-time-switches","provider":"ProSource MRO","version":"1.0","type":"link"}