{"id":7086,"date":"2026-07-30T14:19:28","date_gmt":"2026-07-30T12:19:28","guid":{"rendered":"https:\/\/www.teleson.nl\/uncategorized\/selecting-a-safety-switch-from-type-and-sealing-to-the-supply-chain\/"},"modified":"2026-07-30T20:54:34","modified_gmt":"2026-07-30T18:54:34","slug":"selecting-a-safety-switch-from-type-and-sealing-to-the-supply-chain","status":"publish","type":"post","link":"https:\/\/www.teleson.nl\/en\/blog\/selecting-a-safety-switch-from-type-and-sealing-to-the-supply-chain\/","title":{"rendered":"Selecting a Safety Switch: From Type and Sealing to the Supply Chain"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"7086\" class=\"elementor elementor-7086 elementor-7078\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5d835cce e-flex e-con-boxed e-con e-parent\" data-id=\"5d835cce\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-85251ca elementor-widget elementor-widget-text-editor\" data-id=\"85251ca\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>When you design a new machine, you\u2019re faced with many decisions at once. The safety switch is an essential component that can easily be overlooked, but from a technical standpoint, it\u2019s crucial to a machine\u2019s safety and reliability. <\/strong><\/p><p>You usually don&#8217;t realize you&#8217;ve made the wrong choice until later: a switch that can&#8217;t withstand the environment, needs to be replaced too often, or is difficult to replace because the wrong connector type was chosen.<\/p><p>On our blog  <a href=\"https:\/\/www.teleson.nl\/blog\/veiligheidsschakelaar-kiezen-volg-deze-10-stappen\/\">Choosing a Safety Switch? Follow These 10 Steps for Success <\/a>  We cover the entire process. In this article, we\u2019ll take a closer look at the selection criteria for the component itself, so that you, as a machine builder, have a clear overview of all the key considerations before making a decision. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-dba833e e-con-full e-flex e-con e-child\" data-id=\"dba833e\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e53a97a elementor-widget elementor-widget-heading\" data-id=\"e53a97a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">In a nutshell<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7ace91d elementor-widget elementor-widget-text-editor\" data-id=\"7ace91d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li>The type and lock setting determine all subsequent options.<\/li><li>Certification and performance level are determined based on the risk analysis.<\/li><li>Environmental requirements determine the appropriate material, seal, and temperature range.<\/li><li>Connections and terminal configurations are key factors in installation and maintenance.<\/li><li>The supply chain is just as important as the technical specifications.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-816942d elementor-widget elementor-widget-spacer\" data-id=\"816942d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-05e9bdb elementor-widget elementor-widget-text-editor\" data-id=\"05e9bdb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>1. Start with the type and the lock<\/h2><p>Safety switches come in various types: tongue switches, non-contact switches, interlocked switches, and key-lock systems. The type that is best suited for a given application depends on the type of safety measure, the design of the access point, and the environment. <\/p><p>In addition, determine early in the design process whether the switch must be guard-locked. Guard locking is required if the machine has a run-down time or if entering the hazard zone during operation poses a risk. It is a design decision that directly determines the choice of switch and the control logic.  <\/p><h2>2. Certification and Performance Level<\/h2><p>The required Performance Level (PL) is determined by the machine&#8217;s risk analysis. Only then should you select a switch that demonstrably meets this level. <\/p><p>In addition to the PL, also verify that the switch has the appropriate certifications. CE marking is required for the European market. For applications in explosive environments, also inquire about ATEX certification.  <\/p><h2>3. Environmental Requirements: Materials, Sealing, and Temperature<\/h2><p>The environment largely determines which version you need. In our view, these three questions are key: <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bcc5390 elementor-widget elementor-widget-text-editor\" data-id=\"bcc5390\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<table>\n<thead>\n<tr>\n<th style=\"text-align: left;\">What material is recommended for the housing?<\/th>\n<th style=\"text-align: left;\">What type of seal is required?<\/th>\n<th style=\"text-align: left;\">Within what temperature range must the switch operate?<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>For standard applications, plastic is sufficient. In the food industry or pharmaceutical manufacturing, 316 stainless steel is a better choice due to its chemical resistance and ease of cleaning. <\/td>\n<td>IP65 means dust- and splash-proof. IP67 can prevent problems during submersion. IP69k is preferred when cleaning with high pressure or steam.m  <\/td>\n<td>Verify that the switch is rated for the ambient temperature in your application, such as -25 \u00b0C in refrigerated or frozen environments.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7f1f49e9 elementor-widget elementor-widget-text-editor\" data-id=\"7f1f49e9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>4. Connections and Contacts<\/h2><p>A practical but often overlooked question is how the switch is connected. Is a standard wire connection sufficient, or is a connector preferable for easy installation and maintenance? Connector connections allow for quick installation and removal, which is a major advantage for machines that are regularly cleaned or disassembled.  <\/p><p>Also specify the desired contact configuration, depending on the control configuration. And specify the desired type of output signal: standard contacts, OSSD (Output Signal Switching Device), or, for example, IO-Link. <\/p><h2>5. Procurement and Supply Chain<\/h2><p>Technical specifications are only half the battle. Questions that are just as important: <\/p><ul><li>Is the per-unit price acceptable to you? Some machine manufacturers offer plastic safety switches as standard, and for an additional charge, the customer can opt for stainless steel. <\/li><li>What is the standard lead time from the factory, and can arrangements be made to ensure a stable supply chain (such as call-off orders)?<\/li><li>Is there any information regarding long-term availability? Is there a known End of Life (EOL) date? <\/li><li>Is the switch supplied by a reliable and approved supplier with verifiable certifications and manufacturer support?<\/li><\/ul><p> <\/p><p>Teleson supplies safety switches from IDEM Safety Switches and is happy to assist you in selecting the right model, connection, certification, and supply chain.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-dc27be0 e-con-full e-flex e-con e-child\" data-id=\"dc27be0\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-e22325a e-con-full e-flex e-con e-child\" data-id=\"e22325a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-233dc23 e-con-full e-grid e-con e-child\" data-id=\"233dc23\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-966d54a e-con-full e-flex e-con e-child\" data-id=\"966d54a\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-57f335c elementor-widget elementor-widget-heading\" data-id=\"57f335c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Getting Started with the Selection<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5bf0613 elementor-blockquote--skin-clean elementor-blockquote--align-left elementor-widget__width-initial elementor-widget elementor-widget-blockquote\" data-id=\"5bf0613\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"blockquote.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<blockquote class=\"elementor-blockquote\">\n\t\t\t<p class=\"elementor-blockquote__content\">\n\t\t\t\tAll of the above criteria are compiled in the free safety switch checklist. Go through it before making a final decision or requesting a quote, so you can be sure the component meets the technical requirements of your machine design, the environment, and the supply chain.\nDownload the checklist, or contact Teleson for advice on your specific application: \n\t\t\t<\/p>\n\t\t\t\t\t<\/blockquote>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-256deba elementor-blockquote--skin-clean elementor-blockquote--align-left elementor-widget__width-initial elementor-widget elementor-widget-blockquote\" data-id=\"256deba\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"blockquote.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<blockquote class=\"elementor-blockquote\">\n\t\t\t<p class=\"elementor-blockquote__content\">\n\t\t\t\t<b>sales@teleson.nl | +31 30 263 1000<\/b>\t\t\t<\/p>\n\t\t\t\t\t<\/blockquote>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-19353e2 elementor-mobile-align-justify elementor-widget elementor-widget-button\" data-id=\"19353e2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-xs\" href=\"https:\/\/www.teleson.nl\/wp-content\/uploads\/2026\/07\/Teleson_Checklist_Veiligheidsschakelaars_V1-NL.pdf\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Download Safety Switch Checklist<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f19ecb6 elementor-widget elementor-widget-image\" data-id=\"f19ecb6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"534\" src=\"https:\/\/www.teleson.nl\/wp-content\/uploads\/2023\/05\/Teleson_klein_068.jpg\" class=\"attachment-large size-large wp-image-2605\" alt=\"Teleson over ons\" srcset=\"https:\/\/www.teleson.nl\/wp-content\/uploads\/2023\/05\/Teleson_klein_068.jpg 1000w, https:\/\/www.teleson.nl\/wp-content\/uploads\/2023\/05\/Teleson_klein_068-300x200.jpg 300w, https:\/\/www.teleson.nl\/wp-content\/uploads\/2023\/05\/Teleson_klein_068-768x512.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8bc708c elementor-widget elementor-widget-spacer\" data-id=\"8bc708c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3083560 elementor-widget elementor-widget-heading\" data-id=\"3083560\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Frequently Asked Questions<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c5e4c95 elementor-widget elementor-widget-n-accordion\" data-id=\"c5e4c95\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;default_state&quot;:&quot;expanded&quot;,&quot;max_items_expended&quot;:&quot;one&quot;,&quot;n_accordion_animation_duration&quot;:{&quot;unit&quot;:&quot;ms&quot;,&quot;size&quot;:400,&quot;sizes&quot;:[]}}\" data-widget_type=\"nested-accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"e-n-accordion\" aria-label=\"Accordion. Open links with Enter or Space, close with Escape, and navigate with Arrow Keys\">\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2070\" class=\"e-n-accordion-item\" open>\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"1\" tabindex=\"0\" aria-expanded=\"true\" aria-controls=\"e-n-accordion-item-2070\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> What is the difference between a locked and an unlocked safety switch? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2070\" class=\"elementor-element elementor-element-1b4781c e-con-full e-flex e-con e-child\" data-id=\"1b4781c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-09109d8 elementor-widget elementor-widget-text-editor\" data-id=\"09109d8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tAn unlocked switch interrupts the safety signal as soon as the door or gate is opened, but does not physically block access. A locked switch (guard locking) also physically blocks access until it is released. This is necessary if the machine has a run-down period or if entering the machine during operation is dangerous.  \t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2071\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"2\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2071\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> What is an OSSD output on a safety switch? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2071\" class=\"elementor-element elementor-element-fd2e644 e-con-full e-flex e-con e-child\" data-id=\"fd2e644\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2a932f8 elementor-widget elementor-widget-text-editor\" data-id=\"2a932f8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tOSSD stands for Output Signal Switching Device. These are electronic outputs that periodically test themselves for short circuits and open circuits. They are used in combination with safety relays or safety controllers that support OSSD inputs.  \t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2072\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"3\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2072\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> When do I need a switch with an IP69k rating? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2072\" class=\"elementor-element elementor-element-db52507 e-con-full e-flex e-con e-child\" data-id=\"db52507\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-81447a5 elementor-widget elementor-widget-text-editor\" data-id=\"81447a5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>IP69K means that the switch is resistant to high-pressure water jets at close range. This may be a requirement in the food industry and pharmaceutical manufacturing, where machines are regularly cleaned with steam or high-pressure water. Read more about this in our blog <strong><a href=\"https:\/\/www.teleson.nl\/en\/blog\/choose-ip69k-safety-switches-against-moisture-and-failures\/\">Choose IP69K safety switches to protect against moisture and malfunctions &gt;&gt;.<\/a><\/strong>  <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2073\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"4\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2073\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Which brands of safety switches does Teleson supply? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2073\" class=\"elementor-element elementor-element-e40530e e-flex e-con-boxed e-con e-child\" data-id=\"e40530e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a546279 elementor-widget elementor-widget-text-editor\" data-id=\"a546279\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tTeleson represents IDEM Safety Switches, the largest manufacturer of safety switches in the UK. The product line includes, among other things, tongue switches, non-contact switches, emergency stop switches, network solutions, and key-lock systems. \t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2074\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"5\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2074\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> What does PLd Cat. 3 or SIL 2 mean for the selection process?  <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2074\" class=\"elementor-element elementor-element-5898464 e-flex e-con-boxed e-con e-child\" data-id=\"5898464\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e354a88 elementor-widget elementor-widget-text-editor\" data-id=\"e354a88\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tThe Performance Level (PL) is determined by the risk analysis of your machine. PLd Cat. 3 (in accordance with EN ISO 13849-1) and SIL 2 (in accordance with EN IEC 62061) are commonly used standards. Although both standards are harmonized, this does not mean that any PLd switch automatically complies with SIL 2 unless the manufacturer explicitly tests and documents this compliance. Select only switches for which the manufacturer has demonstrably documented the required level.    \t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<script type=\"application\/ld+json\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What is the difference between a locked and an unlocked safety switch?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"An unlocked switch interrupts the safety signal as soon as the door or gate is opened, but does not physically block access. A locked switch (guard locking) also physically blocks access until it is released. This is necessary if the machine has a run-down period or if entering the machine during operation is dangerous.\"}},{\"@type\":\"Question\",\"name\":\"What is an OSSD output on a safety switch?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"OSSD stands for Output Signal Switching Device. These are electronic outputs that periodically test themselves for short circuits and open circuits. They are used in combination with safety relays or safety controllers that support OSSD inputs.\"}},{\"@type\":\"Question\",\"name\":\"When do I need a switch with an IP69k rating?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"IP69K means that the switch is resistant to high-pressure water jets at close range. This may be a requirement in the food industry and pharmaceutical manufacturing, where machines are regularly cleaned with steam or high-pressure water. Read more about this in our blog Choose IP69K safety switches to protect against moisture and malfunctions &gt;&gt;.\"}},{\"@type\":\"Question\",\"name\":\"Which brands of safety switches does Teleson supply?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Teleson represents IDEM Safety Switches, the largest manufacturer of safety switches in the UK. The product line includes, among other things, tongue switches, non-contact switches, emergency stop switches, network solutions, and key-lock systems.\"}},{\"@type\":\"Question\",\"name\":\"What does PLd Cat. 3 or SIL 2 mean for the selection process?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The Performance Level (PL) is determined by the risk analysis of your machine. PLd Cat. 3 (in accordance with EN ISO 13849-1) and SIL 2 (in accordance with EN IEC 62061) are commonly used standards. 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You usually don&#8217;t realize you&#8217;ve made the wrong choice until later: a switch that can&#8217;t withstand the [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":7089,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[45],"tags":[],"wf_post_folders":[],"class_list":["post-7086","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Selecting a Safety Switch: Type, Sealing, and Supply Chain - Teleson<\/title>\n<meta name=\"description\" content=\"Which safety switch is right for your machine design? From type and interlock to certification and supply chain. 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