{"product_id":"automaticky-prepinac-hvezda-trojuhelnik-casove-rele-hvezda-trojuhelnik","title":"Automatic star-delta switch \/ Star-delta time relay","description":"\u003cdiv\u003e\n\n\u003ctable cellspacing=\"0\" cellpadding=\"0\" hspace=\"0\" vspace=\"0\" align=\"center\"\u003e\n \u003ctbody\u003e\n\u003ctr\u003e\n  \u003ctd valign=\"top\" align=\"left\" style=\"padding-top:0cm;padding-right:9.0pt;\n  padding-bottom:0cm;padding-left:9.0pt\"\u003e\n  \u003cp class=\"MsoNormal\"\u003e\u003cspan lang=\"CS\"\u003eRelay\n  for the star-delta starting modes (starting relay of the electric motor)\n  operating voltage 24\/220 V AC, indication of mode ON, STAR, DELTA,\n  the time setting of the STAR mode. POWER SUPPLY, ERV-YU.\u003co:p\u003e\u003c\/o:p\u003e\u003c\/span\u003e\u003c\/p\u003e\n  \u003cp class=\"MsoNormal\"\u003e\u003cspan lang=\"CS\"\u003eIt is\n  it is known that for a soft and smooth start of the electric motor, it is necessary to first\n  turn on according to the STAR scheme and after a certain time, upon reaching the set\n  of rotation, switch the motor winding to the DELTA mode. Such a switching scheme\n  ensures a lower starting current, which increases the lifespan of the electric motor and\n  increases the stability of the entire power supply system.\u003co:p\u003e\u003c\/o:p\u003e\u003c\/span\u003e\u003c\/p\u003e\n  \u003cp class=\"MsoNormal\"\u003e\u003cspan lang=\"CS\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n  \u003cp class=\"MsoNormal\"\u003e\u003cspan lang=\"CS\"\u003eSwitching\n  the STAR-DELTA modes can of course be performed using a switch, but when\n  the use of contactors (starters) and starting relay is better to manage this process\n  automation.\u003co:p\u003e\u003c\/o:p\u003e\u003c\/span\u003e\u003c\/p\u003e\n  \u003cp class=\"MsoNormal\"\u003e\u003cspan lang=\"CS\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n  \u003cp class=\"MsoNormal\"\u003e\u003cspan lang=\"CS\"\u003eFor\n  the control of such contactors is offered by TENSE starting relay, or as\n  they are also called, star-delta switching relay – ERV - YU.\u003co:p\u003e\u003c\/o:p\u003e\u003c\/span\u003e\u003c\/p\u003e\n  \u003cp class=\"MsoNormal\"\u003e\u003cspan lang=\"CS\"\u003eAfter\n  applying operating voltage to contacts A1 - A2 of relay ERV - YU, the STAR output\n  will connect to contact Faz, the STAR indicator will light up, and the countdown will begin\n  acceleration interval t1 (0.1 ... 30 s). After the acceleration interval t1, the outputs\n  STAR will disconnect, the STAR indicator will go out, and the interval will start counting down\n  pause t2 (15 ms). After the connection interval t2 has elapsed, contacts Faz and\n  TRIANGLE, the TRIANGLE indicator will light up and the starting relay is in this state,\n  as long as the alarm is connected to contacts A1 - A2.\u003co:p\u003e\u003c\/o:p\u003e\u003c\/span\u003e\u003c\/p\u003e\n  \u003cp class=\"MsoNormal\"\u003e\u003cspan lang=\"CS\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n  \u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003c\/div\u003e\u003cp\u003e\n\n\u003cspan lang=\"CS\" style=\"font-size:12.0pt;line-height:115%;font-family:\" aptos mso-ascii-theme-font:minor-latin minor-latin new roman mso-bidi-theme-font:minor-bidi mso-bidi-language:ar-sa\u003eIf you need starters, contactors with mechanical\nblocking, separate mechanical locking, or a quality metal cabinet with\nIP65 protection, all of which you can also purchase from us at a good price from our\nwarehouse.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e","brand":"TENSE","offers":[{"title":"Default Title","offer_id":49102858551629,"sku":"ERV-YU","price":29.48,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0775\/8191\/0349\/files\/file_bdd100e0-2a5f-4467-a0fe-a1ce63883fa1.png?v=1718448474","url":"https:\/\/pelek.eu\/en-ie\/products\/automaticky-prepinac-hvezda-trojuhelnik-casove-rele-hvezda-trojuhelnik","provider":"pelek","version":"1.0","type":"link"}