{"id":3264,"date":"2026-08-08T11:47:55","date_gmt":"2026-08-08T11:47:55","guid":{"rendered":"https:\/\/dgb-co.com\/?page_id=3264"},"modified":"2026-08-08T13:11:15","modified_gmt":"2026-08-08T13:11:15","slug":"%d9%85%d8%ad%d8%af%d9%88%d8%af%da%a9%d9%86%d9%86%d8%af%d9%87-%d8%af%db%8c%d8%ac%db%8c%d8%aa%d8%a7%d9%84-%d8%a7%db%8c%d9%85%d9%86%db%8c-%d8%af%d9%85%d8%a7-dtl-iii-ex","status":"publish","type":"page","link":"https:\/\/dgb-co.com\/en\/products\/control-units\/%d9%85%d8%ad%d8%af%d9%88%d8%af%da%a9%d9%86%d9%86%d8%af%d9%87-%d8%af%db%8c%d8%ac%db%8c%d8%aa%d8%a7%d9%84-%d8%a7%db%8c%d9%85%d9%86%db%8c-%d8%af%d9%85%d8%a7-dtl-iii-ex\/","title":{"rendered":"DTL III Ex Digital Safety Temperature Limiter"},"content":{"rendered":"<p>[vc_row disable_element=&#8221;yes&#8221; bg_type=&#8221;image&#8221; parallax_style=&#8221;vcpb-vz-jquery&#8221; bg_image_new=&#8221;id^338|url^https:\/\/dgb-co.com\/wp-content\/uploads\/mjjj.jpg|caption^null|alt^null|title^mjjj|description^null&#8221; bg_image_repeat=&#8221;no-repeat&#8221; bg_override=&#8221;full&#8221; css=&#8221;.vc_custom_1596085247285{padding-top: 180px !important;padding-bottom: 100px !important;}&#8221;][vc_column css=&#8221;.vc_custom_1595227911612{padding-top: 0px !important;padding-right: 0px !important;padding-bottom: 0px !important;padding-left: 0px !important;border-radius: 20px !important;}&#8221;]<div id=\"ultimate-heading-34516a7837e21f8fc\" class=\"uvc-heading ult-adjust-bottom-margin ultimate-heading-34516a7837e21f8fc uvc-3448 \" data-hspacer=\"no_spacer\"  data-halign=\"center\" style=\"text-align:center\"><div class=\"uvc-heading-spacer no_spacer\" style=\"top\"><\/div><div class=\"uvc-main-heading ult-responsive\"  data-ultimate-target='.uvc-heading.ultimate-heading-34516a7837e21f8fc h2'  data-responsive-json-new='{\"font-size\":\"\",\"line-height\":\"\"}' ><h2 style=\"font-family:&#039;Roboto&#039;;font-weight:300;color:#ffffff;\">Local Control Station<\/h2><\/div><\/div>[\/vc_column][\/vc_row][vc_row css=&#8221;.vc_custom_1596250386923{margin-top: 0px !important;margin-right: 0px !important;margin-bottom: 0px !important;margin-left: 0px !important;border-bottom-width: 0px !important;padding-top: 0px !important;padding-right: 0px !important;padding-bottom: 0px !important;padding-left: 0px !important;}&#8221;][vc_column width=&#8221;1\/2&#8243;][vc_single_image image=&#8221;1579&#8243; img_size=&#8221;full&#8221; alignment=&#8221;center&#8221; onclick=&#8221;link_image&#8221; css_animation=&#8221;fadeInDown&#8221; css=&#8221;.vc_custom_1611487929351{margin-bottom: 0px !important;border-bottom-width: 0px !important;padding-bottom: 0px !important;border-radius: 10px !important;}&#8221;]<div class=\" vc_custom_1786194331675 ubtn-ctn-center \"><a class=\"ubtn-link ult-adjust-bottom-margin ubtn-center ubtn-block \" href=\"https:\/\/dgb-co.com\/products\/rfq\/?product=DTL+III+Ex+Digital+Safety+Temperature+Limiter\" title=\"Home\" ><button type=\"button\" id=\"ubtn-1168\"  class=\"ubtn ult-adjust-bottom-margin ult-responsive ubtn-block ubtn-top-bg  none  ubtn-sep-icon ubtn-sep-icon-left-rev  ubtn-shd  ubtn-center  shd-bottom tooltip-6a7837e21fa62 ubtn-tooltip left ubtn-block\" data-toggle=\"tooltip\" data-placement=\"left\" title=\"\" data-hover=\"#ffffff\" data-border-color=\"\" data-bg=\"#ff6600\" data-hover-bg=\"#dd3333\" data-border-hover=\"\" data-shadow-hover=\"0 3px ;\" data-shadow-click=\"\" data-shadow=\"0 5px ;\" data-shd-shadow=\"5\"  data-ultimate-target='#ubtn-1168'  data-responsive-json-new='{\"font-size\":\"desktop:20px;\",\"line-height\":\"\"}'  style=\"font-family:&#039;Roboto&#039;;font-weight:500;border-radius:10px;border-width:1px;border-color:;border-style:inset;box-shadow: 0 5px ;background: #ff6600;color: #ffffff;\"><span class=\"ubtn-data ubtn-icon\"><i class=\"Defaults-envelope\" style=\"font-size:26px;color:#ffffff;\"><\/i><\/span><span class=\"ubtn-hover\" style=\"background-color:#dd3333\"><\/span><span class=\"ubtn-data ubtn-text \" >Available in stock<\/span><\/button><\/a><\/div>[\/vc_column][vc_column width=&#8221;1\/2&#8243;][vc_column_text css=&#8221;.vc_custom_1786190768605{margin-top: 0px !important;margin-right: 0px !important;margin-bottom: 20px !important;margin-left: 0px !important;padding-top: 0px !important;padding-right: 0px !important;padding-bottom: 0px !important;padding-left: 0px !important;}&#8221;]<\/p>\n<h3 style=\"color: #000; text-transform: uppercase;\">DTL III Ex Digital Safety Temperature Limiter<\/h3>\n<p>[\/vc_column_text]<div class=\"ult-just-icon-wrapper   vc_custom_1598327442959\"><div class=\"align-icon\" style=\"text-align:left;\">\n<div class=\"aio-tooltip 6a7837e21fdf6\" data-toggle=\"tooltip\" data-placement=\"left\" title=\"\"><div class=\"aio-icon-img \" style=\"font-size:72px;display:inline-block;\" data-animation=\"fadeInDown\" data-animation-delay=\"03\">\n\t<img decoding=\"async\" class=\"img-icon\" alt=\"null\" src=\"https:\/\/dgb-co.com\/wp-content\/uploads\/09041E00.png\"\/>\n<\/div><\/div><\/div><\/div>[vc_column_text]<\/p>\n<table>\n<tbody>\n<tr class=\"first\">\n<td class=\"subject\">Product Description<\/td>\n<td class=\"detail\">DTL III Ex Digital Safety Temperature Limiter<\/td>\n<\/tr>\n<tr>\n<td class=\"subject\">Product Type<\/td>\n<td class=\"detail\">17-8865-4.22\/22003000<\/td>\n<\/tr>\n<tr>\n<td class=\"subject\">Brand<\/td>\n<td class=\"detail\">Bartec<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>[\/vc_column_text][vc_column_text]<\/p>\n<ul>\n<li style=\"font-weight: 400; color: #212121;\">ATEX approval<\/li>\n<li style=\"font-weight: 400; color: #212121;\">Optimised for trace heating applications (with service entry)<\/li>\n<li style=\"font-weight: 400; color: #212121;\">Sensor surveillance<\/li>\n<li style=\"font-weight: 400; color: #212121;\">In conjunction with Pt100 Ex, it can be used for monitoring temperature in explosion-proof heating circuits<\/li>\n<\/ul>\n<p>[\/vc_column_text][vc_row_inner disable_element=&#8221;yes&#8221; css=&#8221;.vc_custom_1596628733545{margin-top: 0px !important;margin-right: 0px !important;margin-bottom: 0px !important;margin-left: 0px !important;border-top-width: 0px !important;border-bottom-width: 0px !important;padding-top: 0px !important;padding-right: 0px !important;padding-bottom: 0px !important;padding-left: 0px !important;}&#8221;][vc_column_inner css=&#8221;.vc_custom_1596250379306{margin-top: 0px !important;margin-right: 0px !important;margin-bottom: 0px !important;margin-left: 0px !important;border-top-width: 0px !important;padding-top: 0px !important;padding-right: 0px !important;padding-bottom: 0px !important;padding-left: 0px !important;}&#8221;][vc_media_grid element_width=&#8221;6&#8243; gap=&#8221;10&#8243; item=&#8221;mediaGrid_ScaleInWithIcon&#8221; grid_id=&#8221;vc_gid:1786194530761-7da78264-3922-3&#8243; include=&#8221;516,518&#8243; css=&#8221;.vc_custom_1596255706376{margin-top: 0px !important;margin-right: 0px !important;margin-bottom: 0px !important;margin-left: 0px !important;border-bottom-width: 0px !important;padding-top: 0px !important;padding-right: 0px !important;padding-bottom: 0px !important;padding-left: 0px !important;}&#8221;][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row css=&#8221;.vc_custom_1596171319791{margin-top: 0px !important;border-top-width: 0px !important;padding-top: 0px !important;}&#8221;][vc_column css=&#8221;.vc_custom_1596171558361{margin: 0px !important;padding: 0px !important;border: 0px initial !important;}&#8221;]<div id=\"advanced-tabs-desc-wrap-8331\" class=\"ult_tabs \" style=\" \" data-tabsstyle=\"style2\"\r\n data-titlebg=\"#edeef2\" data-titlecolor=\"#4e5a68\" data-fullheight=\"off\"\r\n data-titlehoverbg=\"#5b5b5b\" data-titlehovercolor=\"#ffffff\"\r\n data-rotatetabs=\"0\" data-responsivemode=\"Both\" data-animation=\"Fade\"\r\ndata-activetitle=\"#ffffff\" data-activeicon=\"\" data-activebg=\"#808080\"  data-respmode=\"Tabs\" data-respwidth=\"400\" data-scroll = \"on\" data-activeindex=\"1\"><ul id=advanced-tabs-wrap-1537 class=\"ult_tabmenu style2 \" style=\"color:transparent;border-bottom-color:transparent;border-bottom-width:0px;border-bottom-style:solid;border-bottom-width:0px;\"><li class=\"ult_tab_li  \" data-iconcolor=\"#74777b\" data-iconhover=\"#ffffff\" style=\"\">\r\n\t\t\t\t\t<a href=\"#1596170465491-8\" id=\"1596170465491-8\" style=\"color:#4e5a68;background-color:#edeef2;border-top-left-radius:8px;;  \" class=\"ult_a  \">\r\n\t\t\t\t\t     <span class=\"ult_tab_main Both\">\r\n\t\t\t\t\t      <span class=\"ult_tab_section\">\r\n\t\t\t\t\t\t   <span class=\"aio-icon none ult_tab_iconleft\" style=\"color:#74777b;font-size:28px;\">\r\n\t\t\t\t\t\t   <i class=\"  Defaults-info ult_tab_icon\"  ><\/i>\r\n\t\t\t\t\t\t   <\/span>\r\n\t\t\t\t\t\t   <span  data-ultimate-target='#advanced-tabs-wrap-1537 .ult-span-text'  data-responsive-json-new='{\"font-size\":\"desktop:18px;\",\"line-height\":\"\"}'  class=\"ult-span-text ult-responsive\" style=\"font-family:Open Sans;font-weight:300;\">General Info<\/span>\r\n\t\t\t\t\t\t    <\/span >\r\n\t\t\t\t\t\t<\/span>\r\n\t\t\t\t\t<\/a>\r\n\t\t\t\t\t<\/li><li class=\"ult_tab_li  \" data-iconcolor=\"#74777b\" data-iconhover=\"#ffffff\" style=\"\">\r\n\t\t\t\t\t<a href=\"#1596170465568-8\" id=\"1596170465568-8\" style=\"color:#4e5a68;background-color:#edeef2;;  \" class=\"ult_a  \">\r\n\t\t\t\t\t     <span class=\"ult_tab_main Both\">\r\n\t\t\t\t\t      <span class=\"ult_tab_section\">\r\n\t\t\t\t\t\t   <span class=\"aio-icon none ult_tab_iconleft\" style=\"color:#74777b;font-size:28px;\">\r\n\t\t\t\t\t\t   <i class=\"  Defaults-cog gear ult_tab_icon\"  ><\/i>\r\n\t\t\t\t\t\t   <\/span>\r\n\t\t\t\t\t\t   <span  data-ultimate-target='#advanced-tabs-wrap-1537 .ult-span-text'  data-responsive-json-new='{\"font-size\":\"desktop:18px;\",\"line-height\":\"\"}'  class=\"ult-span-text ult-responsive\" style=\"font-family:Open Sans;font-weight:300;\">Technical Data<\/span>\r\n\t\t\t\t\t\t    <\/span >\r\n\t\t\t\t\t\t<\/span>\r\n\t\t\t\t\t<\/a>\r\n\t\t\t\t\t<\/li><li class=\"ult_tab_li  \" data-iconcolor=\"#74777b\" data-iconhover=\"#ffffff\" style=\"\">\r\n\t\t\t\t\t<a href=\"#1596171671642-2-9\" id=\"1596171671642-2-9\" style=\"color:#4e5a68;background-color:#edeef2;;  \" class=\"ult_a  \">\r\n\t\t\t\t\t     <span class=\"ult_tab_main Both\">\r\n\t\t\t\t\t      <span class=\"ult_tab_section\">\r\n\t\t\t\t\t\t   <span class=\"aio-icon none ult_tab_iconleft\" style=\"color:#74777b;font-size:28px;\">\r\n\t\t\t\t\t\t   <i class=\"  icomoon-EXbw ult_tab_icon\"  ><\/i>\r\n\t\t\t\t\t\t   <\/span>\r\n\t\t\t\t\t\t   <span  data-ultimate-target='#advanced-tabs-wrap-1537 .ult-span-text'  data-responsive-json-new='{\"font-size\":\"desktop:18px;\",\"line-height\":\"\"}'  class=\"ult-span-text ult-responsive\" style=\"font-family:Open Sans;font-weight:300;\">Explosion Protection<\/span>\r\n\t\t\t\t\t\t    <\/span >\r\n\t\t\t\t\t\t<\/span>\r\n\t\t\t\t\t<\/a>\r\n\t\t\t\t\t<\/li><li class=\"ult_tab_li  \" data-iconcolor=\"#74777b\" data-iconhover=\"#ffffff\" style=\"\">\r\n\t\t\t\t\t<a href=\"#1596255777161-3-1\" id=\"1596255777161-3-1\" style=\"color:#4e5a68;background-color:#edeef2;border-top-right-radius:8px;;  \" class=\"ult_a  \">\r\n\t\t\t\t\t     <span class=\"ult_tab_main Both\">\r\n\t\t\t\t\t      <span class=\"ult_tab_section\">\r\n\t\t\t\t\t\t   <span class=\"aio-icon none ult_tab_iconleft\" style=\"color:#74777b;font-size:28px;\">\r\n\t\t\t\t\t\t   <i class=\"  Defaults-paperclip ult_tab_icon\"  ><\/i>\r\n\t\t\t\t\t\t   <\/span>\r\n\t\t\t\t\t\t   <span  data-ultimate-target='#advanced-tabs-wrap-1537 .ult-span-text'  data-responsive-json-new='{\"font-size\":\"desktop:18px;\",\"line-height\":\"\"}'  class=\"ult-span-text ult-responsive\" style=\"font-family:Open Sans;font-weight:300;\">Download<\/span>\r\n\t\t\t\t\t\t    <\/span >\r\n\t\t\t\t\t\t<\/span>\r\n\t\t\t\t\t<\/a>\r\n\t\t\t\t\t<\/li><\/ul><div  data-ultimate-target='#advanced-tabs-desc-wrap-8331 .ult_tabcontent .ult_tab_min_contain  p'  data-responsive-json-new='{\"font-size\":\"\",\"line-height\":\"\"}' class=\"ult_tabcontent ult-responsive style2\" style=\"font-family:Open Sans;background-color:#edeef2;color:#004d40;\"><div class=\"ult_tab_min_contain \" >\n\t\t\t<div  class=\"ult_tabitemname\"  >\n\t\t\t\t[vc_column_text css=&#8221;.vc_custom_1786194354026{margin-top: 0px !important;border-top-width: 0px !important;padding-top: 0px !important;}&#8221;]<\/p>\n<p class=\"themecolor\" style=\"text-align: left;\"><strong>Description<\/strong><\/p>\n<p style=\"direction: ltr; text-align: left; font-weight: 400; color: #212121;\">The digital temperature limiter DTL III Ex is designed for trace heating applications and is used for temperature monitoring of heating systems or heating circuits. The device is installed in the non-hazardous area. The heating or heating circuits can be installed both in media-protected and also in hazardous areas. Thanks to their integrated power supply unit with wide-range voltage, the devices can be used almost everywhere in the world.<\/p>\n<p class=\"themecolor\" style=\"text-align: left;\"><strong>Function<\/strong><\/p>\n<p style=\"direction: ltr; text-align: left; font-weight: 400; color: #212121;\">If the temperature at the Pt100 exceeds the set limit value, the DTL III Ex permanently interrupts the normally open 16 A switch contact. This situation is detected by a volt-free alarm contact (change-over contact) and passes on the signal to the control panel. After a temperature drop of 5 K below the limit set point, or after a fault has been remedied, the limiter can be re-activated by means of a re-set button on the device itself or via a remote re-set control. The DTL will also interrupt the switch contact in the event of a sensor open or short circuit. Process reliability is increased by additional monitoring functions such as pre-alarm, measuring circuit monitoring for sensor break, interruption and short-circuit as well as undershooting\/overshooting of the measuring range. A multi-stage password management is available for effective parameter protection. When doing service work on the heating circuit, the load output can be turned off by means of a digital input and the temperature alarms can be disabled. Through the programming interface, the device parameters can be transferred to other devices by using a special programming key.<\/p>\n<p>[\/vc_column_text]\n\t\t\t<\/div>\n\t\t\t<div  class=\"ult_tabitemname\"  >\n\t\t\t\t[vc_column_text]<\/p>\n<p class=\"themecolor\" style=\"text-align: left;\"><strong>Technical Data<\/strong><\/p>\n<table>\n<tbody>\n<tr class=\"first\">\n<td class=\"subject\">Protection Class<\/td>\n<td class=\"detail\">II<\/td>\n<\/tr>\n<tr>\n<td class=\"subject\">Dimensions<\/td>\n<td class=\"detail\">84 mm x 70 mm x 60 mm (Length x Width x Depth)<\/td>\n<\/tr>\n<tr>\n<td class=\"subject\">Weight<\/td>\n<td class=\"detail\">0.2 kg<\/td>\n<\/tr>\n<tr>\n<td class=\"subject\">Operating temperature range<\/td>\n<td class=\"detail\">0 \u00b0C to +50 \u00b0C<\/td>\n<\/tr>\n<tr>\n<td class=\"subject\">Measurement range<\/td>\n<td class=\"detail\">-200 \u00b0C to +850 \u00b0C<\/td>\n<\/tr>\n<tr>\n<td class=\"subject\">Sensitivity<\/td>\n<td class=\"detail\">(\u00b1 0.5% of the actual level or \u00b11\u00b0C;the higher level applies)\u00b11 digit<\/td>\n<\/tr>\n<tr>\n<td class=\"subject\">Voltage<\/td>\n<td class=\"detail\">see data sheet<\/td>\n<\/tr>\n<tr>\n<td class=\"subject\">Current<\/td>\n<td class=\"detail\">see data sheet<\/td>\n<\/tr>\n<tr>\n<td class=\"subject\">Power<\/td>\n<td class=\"detail\">Max. 4 VA<\/td>\n<\/tr>\n<tr>\n<td class=\"subject\">Electrical life<\/td>\n<td class=\"detail\">relay outputs: at least 100,000 switching cycles<\/td>\n<\/tr>\n<tr>\n<td class=\"subject\">Ambient temperature<\/td>\n<td class=\"detail\">0 \u00b0C to +50 \u00b0C<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>[\/vc_column_text]\n\t\t\t<\/div>\n\t\t\t<div  class=\"ult_tabitemname\"  >\n\t\t\t\t[vc_column_text]<\/p>\n<p class=\"themecolor\" style=\"text-align: left;\"><strong>Explosion Protection<\/strong><\/p>\n<table>\n<tbody>\n<tr class=\"first\">\n<td class=\"subject\">Marking<\/td>\n<td class=\"detail\">Ex II (2)GD [Ex e GB]<\/td>\n<\/tr>\n<tr>\n<td class=\"subject\">Certification<\/td>\n<td class=\"detail\">T\u00dcV 08 ATEX 554871<br \/>\nRussian TC RU C-DE.GB06.B.00399<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>[\/vc_column_text]\n\t\t\t<\/div>\n\t\t\t<div  class=\"ult_tabitemname\"  >\n\t\t\t\t[vc_column_text]<\/p>\n<table>\n<tbody>\n<tr class=\"first\">\n<td class=\"subject\">Datasheet<\/td>\n<td class=\"detail\"><a href=\"https:\/\/www.bartec.de\/ProdCatalogue\/Assets\/Datasheets\/lng_0\/E291052_E.pdf\"><img decoding=\"async\" src=\"https:\/\/dgb-co.com\/wp-content\/uploads\/pdf.png\" \/> <\/a><\/td>\n<\/tr>\n<tr>\n<td class=\"subject\">Operating Instructions<\/td>\n<td class=\"detail\"><a href=\"https:\/\/www.bartec.de\/ProdCatalogue\/Assets\/Manuals\/lng_0\/288307_DTL-III-1_EN.pdf\"><img decoding=\"async\" src=\"https:\/\/dgb-co.com\/wp-content\/uploads\/pdf.png\" \/> <\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>[\/vc_column_text]\n\t\t\t<\/div><\/div><\/div><\/div><div class=\"ult_acord advanced-tabs-desc-wrap-8331\">\r\n   <div class=\"ult-tabto-accordion \" style=\"width:;\"\r\n    data-titlecolor=\"#4e5a68\"  data-titlebg=\"#edeef2\"\r\n     data-titlehoverbg=\"#5b5b5b\" data-titlehovercolor=\"#ffffff\" data-animation=\"Fade\"\r\n     data-activetitle=\"#ffffff\" data-activeicon=\"\" data-activebg=\"#808080\" data-scroll = \"on\" data-activeindex=\"1\" >\r\n     <dl><dt class=\"\">\r\n        \t<a class=\"ult-tabto-actitle withBorder ult_a\"  id=\"1596170465491-8\" style=\"color:#4e5a68;;background-color:#edeef2;border-bottom-color:transparent;border-bottom-width:0px;border-bottom-style:solid;\" href=\"#1596170465491-8\">\r\n        \t\t<i class=\"accordion-icon\"><\/i>\r\n        \t\t\t<span class=\"ult_tab_main ult_ac_mainBoth\">\r\n\t\t\t\t\t   <div class=\"aio-icon none \" style=\"color:#74777b;font-size:28px;\" data-iconcolor=\"#74777b\" data-iconhover=\"#ffffff\">\r\n\t\t\t\t\t   <i class=\"  Defaults-info ult_tab_icon\"  ><\/i>\r\n\t\t\t\t\t   <\/div>\r\n\t\t\t\t\t<span  data-ultimate-target='#advanced-tabs-wrap-1537 .ult-span-text'  data-responsive-json-new='{\"font-size\":\"desktop:18px;\",\"line-height\":\"\"}'  class=\"ult-span-text ult_acordian-text ult-responsive\" style=\"font-family:Open Sans;font-weight:300;;color:inherit \" >General Info<\/span>\r\n\t\t\t\t\t<\/span><\/a><\/dt>\r\n            \t\t<dd class=\"ult-tabto-accordionItem ult-tabto-accolapsed\">\r\n\t\t\t            <div class=\"ult-tabto-acontent\" style=\"font-family:Open Sans;background-color:#edeef2;color:#004d40;\">\r\n\t\t\t               [vc_column_text css=&#8221;.vc_custom_1786194354026{margin-top: 0px !important;border-top-width: 0px !important;padding-top: 0px !important;}&#8221;]<\/p>\n<p class=\"themecolor\" style=\"text-align: left;\"><strong>Description<\/strong><\/p>\n<p style=\"direction: ltr; text-align: left; font-weight: 400; color: #212121;\">The digital temperature limiter DTL III Ex is designed for trace heating applications and is used for temperature monitoring of heating systems or heating circuits. The device is installed in the non-hazardous area. The heating or heating circuits can be installed both in media-protected and also in hazardous areas. Thanks to their integrated power supply unit with wide-range voltage, the devices can be used almost everywhere in the world.<\/p>\n<p class=\"themecolor\" style=\"text-align: left;\"><strong>Function<\/strong><\/p>\n<p style=\"direction: ltr; text-align: left; font-weight: 400; color: #212121;\">If the temperature at the Pt100 exceeds the set limit value, the DTL III Ex permanently interrupts the normally open 16 A switch contact. This situation is detected by a volt-free alarm contact (change-over contact) and passes on the signal to the control panel. After a temperature drop of 5 K below the limit set point, or after a fault has been remedied, the limiter can be re-activated by means of a re-set button on the device itself or via a remote re-set control. The DTL will also interrupt the switch contact in the event of a sensor open or short circuit. Process reliability is increased by additional monitoring functions such as pre-alarm, measuring circuit monitoring for sensor break, interruption and short-circuit as well as undershooting\/overshooting of the measuring range. A multi-stage password management is available for effective parameter protection. When doing service work on the heating circuit, the load output can be turned off by means of a digital input and the temperature alarms can be disabled. Through the programming interface, the device parameters can be transferred to other devices by using a special programming key.<\/p>\n<p>[\/vc_column_text]\r\n\t\t\t            <\/div>\r\n        \t<\/dd><dt class=\"\">\r\n        \t<a class=\"ult-tabto-actitle withBorder ult_a\"  id=\"1596170465568-8\" style=\"color:#4e5a68;;background-color:#edeef2;border-bottom-color:transparent;border-bottom-width:0px;border-bottom-style:solid;border-bottom-color:transparent;border-bottom-width:0px;border-bottom-style:solid;\" href=\"#1596170465568-8\">\r\n        \t\t<i class=\"accordion-icon\"><\/i>\r\n        \t\t\t<span class=\"ult_tab_main ult_ac_mainBoth\">\r\n\t\t\t\t\t   <div class=\"aio-icon none \" style=\"color:#74777b;font-size:28px;\" data-iconcolor=\"#74777b\" data-iconhover=\"#ffffff\">\r\n\t\t\t\t\t   <i class=\"  Defaults-cog gear ult_tab_icon\"  ><\/i>\r\n\t\t\t\t\t   <\/div>\r\n\t\t\t\t\t<span  data-ultimate-target='#advanced-tabs-wrap-1537 .ult-span-text'  data-responsive-json-new='{\"font-size\":\"desktop:18px;\",\"line-height\":\"\"}'  class=\"ult-span-text ult_acordian-text ult-responsive\" style=\"font-family:Open Sans;font-weight:300;;color:inherit \" >Technical Data<\/span>\r\n\t\t\t\t\t<\/span><\/a><\/dt>\r\n            \t\t<dd class=\"ult-tabto-accordionItem ult-tabto-accolapsed\">\r\n\t\t\t            <div class=\"ult-tabto-acontent\" style=\"font-family:Open Sans;background-color:#edeef2;color:#004d40;\">\r\n\t\t\t               [vc_column_text]<\/p>\n<p class=\"themecolor\" style=\"text-align: left;\"><strong>Technical Data<\/strong><\/p>\n<table>\n<tbody>\n<tr class=\"first\">\n<td class=\"subject\">Protection Class<\/td>\n<td class=\"detail\">II<\/td>\n<\/tr>\n<tr>\n<td class=\"subject\">Dimensions<\/td>\n<td class=\"detail\">84 mm x 70 mm x 60 mm (Length x Width x Depth)<\/td>\n<\/tr>\n<tr>\n<td class=\"subject\">Weight<\/td>\n<td class=\"detail\">0.2 kg<\/td>\n<\/tr>\n<tr>\n<td class=\"subject\">Operating temperature range<\/td>\n<td class=\"detail\">0 \u00b0C to +50 \u00b0C<\/td>\n<\/tr>\n<tr>\n<td class=\"subject\">Measurement range<\/td>\n<td class=\"detail\">-200 \u00b0C to +850 \u00b0C<\/td>\n<\/tr>\n<tr>\n<td class=\"subject\">Sensitivity<\/td>\n<td class=\"detail\">(\u00b1 0.5% of the actual level or \u00b11\u00b0C;the higher level applies)\u00b11 digit<\/td>\n<\/tr>\n<tr>\n<td class=\"subject\">Voltage<\/td>\n<td class=\"detail\">see data sheet<\/td>\n<\/tr>\n<tr>\n<td class=\"subject\">Current<\/td>\n<td class=\"detail\">see data sheet<\/td>\n<\/tr>\n<tr>\n<td class=\"subject\">Power<\/td>\n<td class=\"detail\">Max. 4 VA<\/td>\n<\/tr>\n<tr>\n<td class=\"subject\">Electrical life<\/td>\n<td class=\"detail\">relay outputs: at least 100,000 switching cycles<\/td>\n<\/tr>\n<tr>\n<td class=\"subject\">Ambient temperature<\/td>\n<td class=\"detail\">0 \u00b0C to +50 \u00b0C<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>[\/vc_column_text]\r\n\t\t\t            <\/div>\r\n        \t<\/dd><dt class=\"\">\r\n        \t<a class=\"ult-tabto-actitle withBorder ult_a\"  id=\"1596171671642-2-9\" style=\"color:#4e5a68;;background-color:#edeef2;border-bottom-color:transparent;border-bottom-width:0px;border-bottom-style:solid;border-bottom-color:transparent;border-bottom-width:0px;border-bottom-style:solid;border-bottom-color:transparent;border-bottom-width:0px;border-bottom-style:solid;\" href=\"#1596171671642-2-9\">\r\n        \t\t<i class=\"accordion-icon\"><\/i>\r\n        \t\t\t<span class=\"ult_tab_main ult_ac_mainBoth\">\r\n\t\t\t\t\t   <div class=\"aio-icon none \" style=\"color:#74777b;font-size:28px;\" data-iconcolor=\"#74777b\" data-iconhover=\"#ffffff\">\r\n\t\t\t\t\t   <i class=\"  icomoon-EXbw ult_tab_icon\"  ><\/i>\r\n\t\t\t\t\t   <\/div>\r\n\t\t\t\t\t<span  data-ultimate-target='#advanced-tabs-wrap-1537 .ult-span-text'  data-responsive-json-new='{\"font-size\":\"desktop:18px;\",\"line-height\":\"\"}'  class=\"ult-span-text ult_acordian-text ult-responsive\" style=\"font-family:Open Sans;font-weight:300;;color:inherit \" >Explosion Protection<\/span>\r\n\t\t\t\t\t<\/span><\/a><\/dt>\r\n            \t\t<dd class=\"ult-tabto-accordionItem ult-tabto-accolapsed\">\r\n\t\t\t            <div class=\"ult-tabto-acontent\" style=\"font-family:Open Sans;background-color:#edeef2;color:#004d40;\">\r\n\t\t\t               [vc_column_text]<\/p>\n<p class=\"themecolor\" style=\"text-align: left;\"><strong>Explosion Protection<\/strong><\/p>\n<table>\n<tbody>\n<tr class=\"first\">\n<td class=\"subject\">Marking<\/td>\n<td class=\"detail\">Ex II (2)GD [Ex e GB]<\/td>\n<\/tr>\n<tr>\n<td class=\"subject\">Certification<\/td>\n<td class=\"detail\">T\u00dcV 08 ATEX 554871<br \/>\nRussian TC RU C-DE.GB06.B.00399<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>[\/vc_column_text]\r\n\t\t\t            <\/div>\r\n        \t<\/dd><dt class=\"\">\r\n        \t<a class=\"ult-tabto-actitle withBorder ult_a\"  id=\"1596255777161-3-1\" style=\"color:#4e5a68;;background-color:#edeef2;border-bottom-color:transparent;border-bottom-width:0px;border-bottom-style:solid;border-bottom-color:transparent;border-bottom-width:0px;border-bottom-style:solid;border-bottom-color:transparent;border-bottom-width:0px;border-bottom-style:solid;border-bottom-color:transparent;border-bottom-width:0px;border-bottom-style:solid;\" href=\"#1596255777161-3-1\">\r\n        \t\t<i class=\"accordion-icon\"><\/i>\r\n        \t\t\t<span class=\"ult_tab_main ult_ac_mainBoth\">\r\n\t\t\t\t\t   <div class=\"aio-icon none \" style=\"color:#74777b;font-size:28px;\" data-iconcolor=\"#74777b\" data-iconhover=\"#ffffff\">\r\n\t\t\t\t\t   <i class=\"  Defaults-paperclip ult_tab_icon\"  ><\/i>\r\n\t\t\t\t\t   <\/div>\r\n\t\t\t\t\t<span  data-ultimate-target='#advanced-tabs-wrap-1537 .ult-span-text'  data-responsive-json-new='{\"font-size\":\"desktop:18px;\",\"line-height\":\"\"}'  class=\"ult-span-text ult_acordian-text ult-responsive\" style=\"font-family:Open Sans;font-weight:300;;color:inherit \" >Download<\/span>\r\n\t\t\t\t\t<\/span><\/a><\/dt>\r\n            \t\t<dd class=\"ult-tabto-accordionItem ult-tabto-accolapsed\">\r\n\t\t\t            <div class=\"ult-tabto-acontent\" style=\"font-family:Open Sans;background-color:#edeef2;color:#004d40;\">\r\n\t\t\t               [vc_column_text]<\/p>\n<table>\n<tbody>\n<tr class=\"first\">\n<td class=\"subject\">Datasheet<\/td>\n<td class=\"detail\"><a href=\"https:\/\/www.bartec.de\/ProdCatalogue\/Assets\/Datasheets\/lng_0\/E291052_E.pdf\"><img decoding=\"async\" src=\"https:\/\/dgb-co.com\/wp-content\/uploads\/pdf.png\" \/> <\/a><\/td>\n<\/tr>\n<tr>\n<td class=\"subject\">Operating Instructions<\/td>\n<td class=\"detail\"><a href=\"https:\/\/www.bartec.de\/ProdCatalogue\/Assets\/Manuals\/lng_0\/288307_DTL-III-1_EN.pdf\"><img decoding=\"async\" src=\"https:\/\/dgb-co.com\/wp-content\/uploads\/pdf.png\" \/> <\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>[\/vc_column_text]\r\n\t\t\t            <\/div>\r\n        \t<\/dd>\r\n    \t<\/dl>\r\n    <!--<div class=\"extraborder\" style=\"background-color:#5b5b5b\"><\/div>-->\r\n<\/div>\r\n\r\n<\/div>[\/vc_column][\/vc_row][vc_row disable_element=&#8221;yes&#8221;][vc_column][vc_column_text el_class=&#8221;li{color:#000;}&#8221;]<\/p>\n<p class=\"themecolor\" style=\"text-align: left;\"><strong>Features<\/strong><\/p>\n<p style=\"text-align: left; direction: ltr;\">&#8211; The right size enclosure<br \/>\n&#8211; Optimum functionality thanks to the great variety of components<br \/>\n&#8211; Customised planning and implementation<br \/>\n&#8211; Certified to many standards<\/p>\n<p>[\/vc_column_text]<div class=\" ubtn-ctn-center \"><a class=\"ubtn-link ult-adjust-bottom-margin ubtn-center ubtn-large \" href=\"https:\/\/www.bartec.de\/ProdCatalogue\/Assets\/Datasheets\/lng_0\/369033_1E.pdf\" title=\"\u062f\u0627\u0646\u0644\u0648\u062f 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