{"id":6102,"date":"2022-11-27T19:42:01","date_gmt":"2022-11-27T11:42:01","guid":{"rendered":"https:\/\/lorentzzi.com\/?post_type=product&#038;p=6102"},"modified":"2026-01-11T08:39:44","modified_gmt":"2026-01-11T00:39:44","slug":"tb388-mechanical-programmable-timer-switch","status":"publish","type":"product","link":"https:\/\/lorentzzi.com\/fr\/products\/timer-switch-and-counter\/timer\/tb388-mechanical-programmable-timer-switch\/","title":{"rendered":"TB388 Interrupteur m\u00e9canique programmable"},"content":{"rendered":"<h2>TB388 Mechanical Programmable Timer Switch Introduction:<\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>Lorentzzi\u00ae<\/strong> TB388 is a 24 hours programmable mechanical timer switch. By pushing\u00a0 the dial outwardly, this timer switch can turn on the load accordingly. Please see the operation photo as following:<\/span><\/li>\n<\/ul>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter wp-image-19414 size-full\" src=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2022\/11\/TB388-Timer-Switch-Operation-Instructions.jpg\" alt=\"TB388 Timer Switch Operation Instructions\" width=\"1024\" height=\"512\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2022\/11\/TB388-Timer-Switch-Operation-Instructions.jpg 1024w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2022\/11\/TB388-Timer-Switch-Operation-Instructions-300x150.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2022\/11\/TB388-Timer-Switch-Operation-Instructions-768x384.jpg 768w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2022\/11\/TB388-Timer-Switch-Operation-Instructions-18x9.jpg 18w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2022\/11\/TB388-Timer-Switch-Operation-Instructions-600x300.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2022\/11\/TB388-Timer-Switch-Operation-Instructions-64x32.jpg 64w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The minimum setting time is 15 minutes, that is, one outbound dialing is 15 minutes. There are 96 dials available, so the turning-on time range is from 0-24(15 minutes*96\/60=24 hours) hours.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">One thing to note is that before setting the power-on time, make sure the timer is working at the current time.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">This TB388 mechanical timer switch maximum output current is 16 A@220 VAC, so it can directly operate resistive loads such as filament light not more than 3500 W, motor not more than 500 W.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">To expand its load capacity, an <span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/products\/accessories\/cjx2-series-ac-contactor\/\">AC contactor<\/a><\/span> or <span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/solid-state-relays\/\">AC\/AC solid state relay<\/a><\/span> can be used.<\/span><\/li>\n<\/ul>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-19412 size-full\" src=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2022\/11\/Wiring-diagram-for-TB388-analog-timer-switch-and-ac-control-ac-solid-state-relay.jpg\" alt=\"Wiring diagram for TB388 analog timer switch and ac control ac solid state relay\" width=\"1024\" height=\"512\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2022\/11\/Wiring-diagram-for-TB388-analog-timer-switch-and-ac-control-ac-solid-state-relay.jpg 1024w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2022\/11\/Wiring-diagram-for-TB388-analog-timer-switch-and-ac-control-ac-solid-state-relay-300x150.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2022\/11\/Wiring-diagram-for-TB388-analog-timer-switch-and-ac-control-ac-solid-state-relay-768x384.jpg 768w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2022\/11\/Wiring-diagram-for-TB388-analog-timer-switch-and-ac-control-ac-solid-state-relay-18x9.jpg 18w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2022\/11\/Wiring-diagram-for-TB388-analog-timer-switch-and-ac-control-ac-solid-state-relay-600x300.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2022\/11\/Wiring-diagram-for-TB388-analog-timer-switch-and-ac-control-ac-solid-state-relay-64x32.jpg 64w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Installation methods of this TB388 timer switch can be DIN rail mounting or screw mounting via 3*\u00d84.2 screws.<\/span><\/li>\n<\/ul>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-19766 size-full\" src=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2022\/11\/Lorentzzi-TB388-electromechanical-timer-switch-product-dimension.jpg\" alt=\"Lorentzzi TB388 electromechanical timer switch product dimension\" width=\"1024\" height=\"512\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2022\/11\/Lorentzzi-TB388-electromechanical-timer-switch-product-dimension.jpg 1024w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2022\/11\/Lorentzzi-TB388-electromechanical-timer-switch-product-dimension-300x150.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2022\/11\/Lorentzzi-TB388-electromechanical-timer-switch-product-dimension-768x384.jpg 768w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2022\/11\/Lorentzzi-TB388-electromechanical-timer-switch-product-dimension-18x9.jpg 18w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2022\/11\/Lorentzzi-TB388-electromechanical-timer-switch-product-dimension-600x300.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2022\/11\/Lorentzzi-TB388-electromechanical-timer-switch-product-dimension-64x32.jpg 64w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">There is a backup battery inside this timer switch, so once the electricity fails, it can make this timer work normally for 300 hours.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The applications of TB388 mechanical time switches are in electric lamps, fans, street lights, water heaters, water dispensers, staircase lamps, advertising lamp boxes, geyser control etc.<\/span><\/li>\n<li aria-level=\"1\"><strong>Want to get the latest wholesale pricing on our TB388 mechanical timer switches? Fill out the form at the bottom to contact us today!<\/strong><\/li>\n<\/ul>\n<h2>Specifications<strong>:<\/strong><\/h2>\n<div class=\"supsystic-table-loader spinner\"style=\"background-color:#000000\"><\/div><div id=\"supsystic-table-38_91749\" class=\"supsystic-tables-wrap \" style=\" width:100%; visibility: hidden; \" data-table-width-fixed=\"100%\" data-table-width-mobile=\"100%\" ><table id=\"supsystic-table-38\" class=\"supsystic-table border lightboxImg cell-border\" data-id=\"38\" data-view-id=\"38_91749\" data-title=\"TB388\/TB35N\" data-currency-format=\"$1,000.00\" data-percent-format=\"10.00%\" data-date-format=\"DD.MM.YYYY\" data-time-format=\"HH:mm\" data-features=\"[&quot;after_table_loaded_script&quot;]\" data-search-value=\"\" data-lightbox-img=\"\" data-head-rows-count=\"1\" data-pagination-length=\"50,100,All\" data-auto-index=\"off\" data-searching-settings=\"{&quot;columnSearchPosition&quot;:&quot;bottom&quot;,&quot;minChars&quot;:&quot;0&quot;}\" data-lang=\"default\" data-override=\"{&quot;emptyTable&quot;:&quot;&quot;,&quot;info&quot;:&quot;&quot;,&quot;infoEmpty&quot;:&quot;&quot;,&quot;infoFiltered&quot;:&quot;&quot;,&quot;lengthMenu&quot;:&quot;&quot;,&quot;search&quot;:&quot;&quot;,&quot;previous&quot;:&quot;&quot;,&quot;next&quot;:&quot;&quot;,&quot;zeroRecords&quot;:&quot;&quot;,&quot;exportLabel&quot;:&quot;&quot;,&quot;file&quot;:&quot;default&quot;}\" data-merged=\"[]\" data-responsive-mode=\"0\" data-from-history=\"0\" ><thead><tr><th class=\"\" style=\"width:; padding: 0 !important;\"><\/th><th class=\"\" style=\"width:; padding: 0 !important;\"><\/th><\/tr><\/thead><tbody><tr style=\"height:px\" ><td data-cell-id=\"A1\" data-x=\"0\" data-y=\"1\" data-db-index=\"1\" class=\"htCenter htMiddle bg-c7c7c7\" data-cell-type=\"text\" data-original-value=\"Model\" data-order=\"Model\" style=\"min-width:50.2717%; \" >Model <\/td><td data-cell-id=\"B1\" data-x=\"1\" data-y=\"1\" data-db-index=\"1\" class=\"htMiddle htCenter bg-c7c7c7\" data-cell-type=\"text\" data-original-value=\"TB388\" data-order=\"TB388\" style=\"min-width:49.7283%; \" >TB388 <\/td><\/tr><tr style=\"height:px\" ><td data-cell-id=\"A2\" data-x=\"0\" data-y=\"2\" data-db-index=\"2\" class=\"htCenter htMiddle\" data-cell-type=\"text\" data-original-value=\"Working voltage\" data-order=\"Working voltage\" >Working voltage <\/td><td data-cell-id=\"B2\" data-x=\"1\" data-y=\"2\" data-db-index=\"2\" class=\"htMiddle htCenter\" data-cell-type=\"text\" data-original-value=\"100-240 VAC(50\/60 Hz), 12-48 VDC\" data-order=\"100-240 VAC(50\/60 Hz), 12-48 VDC\" >100-240 VAC(50\/60 Hz), 12-48 VDC <\/td><\/tr><tr style=\"height:px\" ><td data-cell-id=\"A3\" data-x=\"0\" data-y=\"3\" data-db-index=\"3\" class=\"htCenter htMiddle bg-c7c7c7\" data-cell-type=\"text\" data-original-value=\"Driving method\" data-order=\"Driving method\" >Driving method <\/td><td data-cell-id=\"B3\" data-x=\"1\" data-y=\"3\" data-db-index=\"3\" class=\"htMiddle htCenter bg-c7c7c7\" data-cell-type=\"text\" data-original-value=\"Quarts motor\" data-order=\"Quarts motor\" >Quarts motor <\/td><\/tr><tr style=\"height:px\" ><td data-cell-id=\"A4\" data-x=\"0\" data-y=\"4\" data-db-index=\"4\" class=\"htCenter htMiddle\" data-cell-type=\"text\" data-original-value=\"Contat capacity\" data-order=\"Contat capacity\" >Contat capacity <\/td><td data-cell-id=\"B4\" data-x=\"1\" data-y=\"4\" data-db-index=\"4\" class=\"htMiddle htCenter\" data-cell-type=\"text\" data-original-value=\"15 A or 30 A optional\" data-order=\"15 A or 30 A optional\" >15 A or 30 A optional <\/td><\/tr><tr style=\"height:px\" ><td data-cell-id=\"A5\" data-x=\"0\" data-y=\"5\" data-db-index=\"5\" class=\"htCenter htMiddle bg-c7c7c7\" data-cell-type=\"text\" data-original-value=\"Ambient temperature\" data-order=\"Ambient temperature\" >Ambient temperature <\/td><td data-cell-id=\"B5\" data-x=\"1\" data-y=\"5\" data-db-index=\"5\" class=\"htMiddle htCenter bg-c7c7c7\" data-cell-type=\"text\" data-original-value=\"-10\u2103~+55\u2103\" data-order=\"-10\u2103~+55\u2103\" >-10\u2103~+55\u2103 <\/td><\/tr><tr style=\"height:px\" ><td data-cell-id=\"A6\" data-x=\"0\" data-y=\"6\" data-db-index=\"6\" class=\"htCenter htMiddle\" data-cell-type=\"text\" data-original-value=\"Full timing range\" data-order=\"Full timing range\" >Full timing range <\/td><td data-cell-id=\"B6\" data-x=\"1\" data-y=\"6\" data-db-index=\"6\" class=\"htMiddle htCenter\" data-cell-type=\"text\" data-original-value=\"24 hours\" data-order=\"24 hours\" >24 hours <\/td><\/tr><tr style=\"height:px\" ><td data-cell-id=\"A7\" data-x=\"0\" data-y=\"7\" data-db-index=\"7\" class=\"htCenter htMiddle bg-c7c7c7\" data-cell-type=\"text\" data-original-value=\"Minimum setting unit\" data-order=\"Minimum setting unit\" >Minimum setting unit <\/td><td data-cell-id=\"B7\" data-x=\"1\" data-y=\"7\" data-db-index=\"7\" class=\"htMiddle htCenter bg-c7c7c7\" data-cell-type=\"text\" data-original-value=\"15 minutes\" data-order=\"15 minutes\" >15 minutes <\/td><\/tr><tr style=\"height:px\" ><td data-cell-id=\"A8\" data-x=\"0\" data-y=\"8\" data-db-index=\"8\" class=\"htCenter htMiddle\" data-cell-type=\"text\" data-original-value=\"Installation method\" data-order=\"Installation method\" >Installation method <\/td><td data-cell-id=\"B8\" data-x=\"1\" data-y=\"8\" data-db-index=\"8\" class=\"htMiddle htCenter\" data-cell-type=\"text\" data-original-value=\"DIN rail mounting or screw mounting\" data-order=\"DIN rail mounting or screw mounting\" >DIN rail mounting or screw mounting <\/td><\/tr><\/tbody><\/table><!-- \/#supsystic-table-38.supsystic-table --><\/div><!-- \/.supsystic-tables-wrap --><!-- Tables Generator by Supsystic --><!-- Version:1.11.0 --><!-- http:\/\/supsystic.com\/ --><a title=\"WordPress Data Table Plugin\" style=\"display:none;\" href=\"https:\/\/supsystic.com\/plugins\/wordpress-data-table-plugin\/?utm_medium=love_link\" target=\"_blank\">WordPress Data Table Plugin<\/a>\n","protected":false},"excerpt":{"rendered":"<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\">Programmable sur 24 heures, r\u00e9glage minimum de 15 minutes,<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\">Conception m\u00e9canique pour un fonctionnement fiable,<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\">Large tension de fonctionnement : 100-240 VAC (50\/60 Hz) ou DC 12\/24\/48 V,<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\">Prix abordable, excellente qualit\u00e9,<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\">Garantie de deux ans.<\/li>\n<\/ol>","protected":false},"featured_media":19417,"template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"product_brand":[],"product_cat":[115,106],"product_tag":[],"class_list":{"0":"post-6102","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-timer","7":"product_cat-timer-switch-and-counter","8":"desktop-align-center","9":"tablet-align-left","10":"mobile-align-left","12":"first","13":"instock","14":"shipping-taxable","15":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.0 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>TB388 Mechanical Programmable Timer Switch<\/title>\n<meta name=\"description\" content=\"Lorentzzi TB388 Programmable Timer Switch Non Power Failure 24 Hours Mechanical Timer Switch With Battery 100v-240v 15a Time Switch Din Rail, Easy To 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