{"id":4311,"date":"2026-06-29T02:42:06","date_gmt":"2026-06-29T02:42:06","guid":{"rendered":"https:\/\/blogs.lcsc.com\/blog\/?p=4311"},"modified":"2026-06-29T02:42:06","modified_gmt":"2026-06-29T02:42:06","slug":"kcd1-switches-rocker-switches-guide","status":"publish","type":"post","link":"https:\/\/blogs.lcsc.com\/blog\/kcd1-switches-rocker-switches-guide\/","title":{"rendered":"KCD1 Switches and Rocker Switches: A Complete Engineering Guide"},"content":{"rendered":"<h2 id=\"introduction-to-kcd1-switches-and-rocker-switches\" class=\"code-line\" dir=\"auto\" data-line=\"12\"><strong>Introduction to KCD1 Switches and Rocker Switches<\/strong><\/h2>\n<p class=\"code-line\" dir=\"auto\" data-line=\"14\"><a href=\"https:\/\/www.lcsc.com\/search?q=KCD1&amp;s_z=n_q_KCD1\">KCD1<\/a> switches are compact, cost-effective rocker switches used worldwide. They appear in appliances, industrial panels, and consumer electronics. Understanding KCD1 switches helps engineers choose the right component for their circuit.<\/p>\n<h2 class=\"code-line\" dir=\"auto\" data-line=\"16\"><strong>Key Takeaways<\/strong><\/h2>\n<ul class=\"code-line\" dir=\"auto\" data-line=\"17\">\n<li class=\"code-line\" dir=\"auto\" data-line=\"17\">KCD1 switches typically handle 6A to 15A at 125VAC or 250VAC.<\/li>\n<li class=\"code-line\" dir=\"auto\" data-line=\"18\">SPST, SPDT, and DPDT configurations cover most rocker switch applications.<\/li>\n<li class=\"code-line\" dir=\"auto\" data-line=\"19\">The standard KCD1 panel cutout measures 21.2 x 15.0mm.<\/li>\n<li class=\"code-line\" dir=\"auto\" data-line=\"20\">Illuminated versions add LED or neon indicators for status visibility.<\/li>\n<li class=\"code-line\" dir=\"auto\" data-line=\"21\">Always derate AC ratings significantly before using a switch on DC circuits.<\/li>\n<\/ul>\n<h2 id=\"what-is-a-kcd1-rocker-switch\" class=\"code-line\" dir=\"auto\" data-line=\"23\"><strong>What Is a KCD1 Rocker Switch?<\/strong><\/h2>\n<p class=\"code-line\" dir=\"auto\" data-line=\"25\">A KCD1 switch is a standard-format panel mount rocker switch.\u00a0Unlike a <a href=\"https:\/\/www.blogs.lcsc.com\/blog\/what-is-membrane-switch-design-guide\/\"><strong>membrane switch<\/strong><\/a>, which uses flexible layered contacts for actuation, a rocker switch relies on mechanical snap-action contacts for feedback.\u00a0The designation KCD1 refers to a specific body size and pin layout. Some engineers also call it a boat switch or paddle switch, since the rocking action toggles between ON and OFF states.<\/p>\n<p class=\"code-line\" dir=\"auto\" data-line=\"27\">KCD1 switches use a pivoting actuator mounted inside a rectangular housing. Applying force to one end opens or closes the internal contacts. The snap-action mechanism then provides tactile and audible feedback, confirming the switch state without a visual check.<\/p>\n<h3 id=\"spst-rocker-switch-basics\" class=\"code-line\" dir=\"auto\" data-line=\"29\"><strong>SPST Rocker Switch Basics<\/strong><\/h3>\n<p class=\"code-line\" dir=\"auto\" data-line=\"31\">SPST stands for Single Pole Single Throw. It&#8217;s the simplest rocker switch configuration, controlling one circuit through two terminals. Current enters through terminal 1, and the rocker closes the contact to let it flow out through terminal 2.<\/p>\n<h3 id=\"spdt-and-dpdt-rocker-switch-types\" class=\"code-line\" dir=\"auto\" data-line=\"33\"><strong>SPDT and DPDT Rocker Switch Types<\/strong><\/h3>\n<p class=\"code-line\" dir=\"auto\" data-line=\"35\">SPDT switches have one input and two selectable outputs. Engineers use them to route signals between two circuits. DPDT switches, on the other hand, control two independent circuits at once, which suits higher-complexity switching needs.<\/p>\n<h2 id=\"key-features-of-kcd1-rocker-switches\" class=\"code-line\" dir=\"auto\" data-line=\"37\"><strong>Key Features of KCD1 Rocker Switches<\/strong><\/h2>\n<p class=\"code-line\" dir=\"auto\" data-line=\"39\">KCD1 switches offer several advantages for engineers and designers.<\/p>\n<h3 id=\"snap-in-kcd1-switch-panel-mount-design\" class=\"code-line\" dir=\"auto\" data-line=\"41\"><strong>Snap-In KCD1 Switch Panel Mount Design<\/strong><\/h3>\n<p class=\"code-line\" dir=\"auto\" data-line=\"43\">The KCD1 body features flexible retention tabs that snap into rectangular panel cutouts without tools. Installation takes only seconds per switch, and removal is just as fast for maintenance.<\/p>\n<h3 id=\"illuminated-rocker-switch-options\" class=\"code-line\" dir=\"auto\" data-line=\"45\"><strong>Illuminated Rocker Switch Options<\/strong><\/h3>\n<p class=\"code-line\" dir=\"auto\" data-line=\"47\">Many KCD1 variants include built-in LED or neon indicators. These illuminated rocker switches confirm circuit status visually \u2014 for example, a red LED can indicate an active or ON state. Available colors include red, green, blue, orange, and white.<\/p>\n<h3 id=\"wide-voltage-and-current-range-for-kcd1-switches\" class=\"code-line\" dir=\"auto\" data-line=\"49\"><strong>Wide Voltage and Current Range for KCD1 Switches<\/strong><\/h3>\n<p class=\"code-line\" dir=\"auto\" data-line=\"51\">Standard KCD1 switches are rated for 6A at 250VAC, while higher-rated versions handle 10A or 15A at 125VAC. Engineers must avoid exceeding these rated values, since overloading causes contact welding and premature failure.<\/p>\n<h2 id=\"kcd1-switch-technical-specifications\" class=\"code-line\" dir=\"auto\" data-line=\"53\"><strong>KCD1 Switch Technical Specifications<\/strong><\/h2>\n<p class=\"code-line\" dir=\"auto\" data-line=\"55\">The table below lists common KCD1 rocker switch parameters, based on typical manufacturer datasheets and IEC 61058 test conditions.<\/p>\n<table class=\"code-line\" dir=\"auto\" style=\"height: 593px;\" width=\"181\" data-line=\"57\">\n<thead class=\"code-line\" dir=\"auto\" data-line=\"57\">\n<tr class=\"code-line\" dir=\"auto\" data-line=\"57\">\n<th><strong>Parameter<\/strong><\/th>\n<th><strong>Symbol<\/strong><\/th>\n<th><strong>Typical Range<\/strong><\/th>\n<th><strong>Unit<\/strong><\/th>\n<th><strong>Notes<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody class=\"code-line\" dir=\"auto\" data-line=\"59\">\n<tr class=\"code-line\" dir=\"auto\" data-line=\"59\">\n<td>Rated Current<\/td>\n<td>I<\/td>\n<td>6 \u2013 15<\/td>\n<td>A<\/td>\n<td>AC load; derate for DC<\/td>\n<\/tr>\n<tr class=\"code-line\" dir=\"auto\" data-line=\"60\">\n<td>Rated Voltage<\/td>\n<td>V<\/td>\n<td>125 \/ 250<\/td>\n<td>VAC<\/td>\n<td>Check UL\/VDE rating<\/td>\n<\/tr>\n<tr class=\"code-line\" dir=\"auto\" data-line=\"61\">\n<td>Contact Resistance<\/td>\n<td>Rc<\/td>\n<td>&lt; 50<\/td>\n<td>m\u03a9<\/td>\n<td>Initial value<\/td>\n<\/tr>\n<tr class=\"code-line\" dir=\"auto\" data-line=\"62\">\n<td>Insulation Resistance<\/td>\n<td>Ri<\/td>\n<td>\u2265 100<\/td>\n<td>M\u03a9<\/td>\n<td>At 500 VDC<\/td>\n<\/tr>\n<tr class=\"code-line\" dir=\"auto\" data-line=\"63\">\n<td>Dielectric Strength<\/td>\n<td>Vd<\/td>\n<td>1500 \u2013 2000<\/td>\n<td>VAC<\/td>\n<td>1 min, 50 Hz<\/td>\n<\/tr>\n<tr class=\"code-line\" dir=\"auto\" data-line=\"64\">\n<td>Operating Temp.<\/td>\n<td>T<\/td>\n<td>-20 to +85<\/td>\n<td>\u00b0C<\/td>\n<td>Standard grade<\/td>\n<\/tr>\n<tr class=\"code-line\" dir=\"auto\" data-line=\"65\">\n<td>Mechanical Life<\/td>\n<td>N<\/td>\n<td>\u2265 10,000<\/td>\n<td>cycles<\/td>\n<td>No load<\/td>\n<\/tr>\n<tr class=\"code-line\" dir=\"auto\" data-line=\"66\">\n<td>Electrical Life<\/td>\n<td>Ne<\/td>\n<td>\u2265 6,000<\/td>\n<td>cycles<\/td>\n<td>At rated load, per IEC 61058<\/td>\n<\/tr>\n<tr class=\"code-line\" dir=\"auto\" data-line=\"67\">\n<td>Panel Cutout<\/td>\n<td>&#8211;<\/td>\n<td>21.2 x 15.0<\/td>\n<td>mm<\/td>\n<td>Standard KCD1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p class=\"code-line\" dir=\"auto\" data-line=\"69\">Always consult the manufacturer datasheet for exact values, since ratings vary by supplier and grade. In high-temperature environments, derate current by 20%.<\/p>\n<h2 id=\"kcd1-switch-configurations-and-options\" class=\"code-line\" dir=\"auto\" data-line=\"71\"><strong>KCD1 Switch Configurations and Options<\/strong><\/h2>\n<h3 id=\"contact-configurations-for-rocker-switches\" class=\"code-line\" dir=\"auto\" data-line=\"73\"><strong>Contact Configurations for Rocker Switches<\/strong><\/h3>\n<p class=\"code-line\" dir=\"auto\" data-line=\"75\">KCD1 switches come in SPST, SPDT, and DPDT contact forms. SPST is standard for simple on\/off control, while SPDT enables changeover or transfer switching. DPDT, meanwhile, allows simultaneous control of two separate circuits.<\/p>\n<h3 id=\"illuminated-vs-non-illuminated-kcd1-switches\" class=\"code-line\" dir=\"auto\" data-line=\"77\"><strong>Illuminated vs. Non-Illuminated KCD1 Switches<\/strong><\/h3>\n<p class=\"code-line\" dir=\"auto\" data-line=\"79\">Non-illuminated versions cost less and suit space-limited designs. Illuminated rocker switches add visual feedback for operators, and LED types consume less power than neon versions. For instance, a 12VDC LED indicator draws under 20mA.<\/p>\n<h3 id=\"actuator-colors-and-legends\" class=\"code-line\" dir=\"auto\" data-line=\"81\"><strong>Actuator Colors and Legends<\/strong><\/h3>\n<p class=\"code-line\" dir=\"auto\" data-line=\"83\">KCD1 actuators are available in black, red, blue, green, and white. Legends such as ON\/OFF or I\/O can be printed or molded onto the rocker. Color coding helps operators identify switch functions quickly, which reduces wiring and operating errors.<\/p>\n<h3 id=\"terminal-types-for-panel-mount-switches\" class=\"code-line\" dir=\"auto\" data-line=\"85\"><strong>Terminal Types for Panel Mount Switches<\/strong><\/h3>\n<p class=\"code-line\" dir=\"auto\" data-line=\"87\">Standard KCD1 switches use 4.8mm or 6.3mm quick-connect (QC) terminals, though some versions use solder or PCB pins. QC terminals accept standard female spade connectors. Always confirm terminal type before ordering wiring harnesses.<\/p>\n<h2 id=\"kcd1-rocker-switch-application-scenarios\" class=\"code-line\" dir=\"auto\" data-line=\"89\"><strong>KCD1 Rocker Switch Application Scenarios<\/strong><\/h2>\n<h3 id=\"power-control-in-industrial-panels\" class=\"code-line\" dir=\"auto\" data-line=\"91\"><strong>Power Control in Industrial Panels<\/strong><\/h3>\n<p class=\"code-line\" dir=\"auto\" data-line=\"93\">KCD1 rocker switches control auxiliary circuits in control panels. They switch lighting, fans, and signal circuits at low currents, and panel engineers mount them in standard cutouts for fast assembly. Illuminated types also confirm circuit status at a glance.<\/p>\n<div>Engineers selecting a power-control interface should understand the differences between a maintained rocker switch and a momentary <a href=\"http:\/\/blogs.lcsc.com\/blog\/pc-front-panel-power-button\/\">front panel power button<\/a>.<\/div>\n<h3 id=\"consumer-appliance-switching\" class=\"code-line\" dir=\"auto\" data-line=\"95\"><strong>Consumer Appliance Switching<\/strong><\/h3>\n<p class=\"code-line\" dir=\"auto\" data-line=\"97\">Household appliances use KCD1 switches for power and mode selection. Coffee makers, air purifiers, and power strips are common examples. The compact body fits tight enclosure layouts, and UL or VDE ratings meet appliance safety standards.<\/p>\n<div>For applications where designers prefer sealed and silent user interfaces, <a href=\"http:\/\/blogs.lcsc.com\/blog\/front-panel\/membrane-switch\/\">non-tactile membrane switches<\/a> provide an alternative to traditional rocker switches.<\/div>\n<h3 id=\"marine-and-automotive-kcd1-switch-use\" class=\"code-line\" dir=\"auto\" data-line=\"99\"><strong>Marine and Automotive KCD1 Switch Use<\/strong><\/h3>\n<p class=\"code-line\" dir=\"auto\" data-line=\"101\">Marine-grade KCD1 switches feature sealed housings for splash resistance and control bilge pumps, lighting, and navigation equipment. Automotive uses include accessory switches on dashboards. Still, always verify voltage and temperature ratings for each environment.<\/p>\n<h3 id=\"diy-electronics-and-prototyping\" class=\"code-line\" dir=\"auto\" data-line=\"103\"><strong>DIY Electronics and Prototyping<\/strong><\/h3>\n<p class=\"code-line\" dir=\"auto\" data-line=\"105\">Makers also use KCD1 switches in project enclosures and prototypes, since the low cost and snap-in mounting suit one-off builds. Bench power supplies, for example, often use panel mount rocker switches for mains or output control.<\/p>\n<h2 id=\"kcd1-switch-standards-and-procurement\" class=\"code-line\" dir=\"auto\" data-line=\"107\"><strong>KCD1 Switch Standards and Procurement<\/strong><\/h2>\n<h3 id=\"applicable-standards-for-rocker-switches\" class=\"code-line\" dir=\"auto\" data-line=\"109\"><strong>Applicable Standards for Rocker Switches<\/strong><\/h3>\n<p class=\"code-line\" dir=\"auto\" data-line=\"111\">KCD1 switches are tested to UL 94 V-0 for flammability, which sets flame-retardancy requirements for the switch housing material (<a href=\"https:\/\/www.ul.com\/services\/ul-94-flammability-standard-plastic-materials\" data-href=\"https:\/\/www.ul.com\/services\/ul-94-flammability-standard-plastic-materials\">UL 94 overview<\/a>). UL 486A covers wire connector compatibility, while IEC 61058 defines switch mechanical and electrical requirements (<a href=\"https:\/\/webstore.iec.ch\/publication\/4496\" data-href=\"https:\/\/webstore.iec.ch\/publication\/4496\">IEC 61058 standard<\/a>). Some versions also carry VDE and CE marks.<\/p>\n<h3 id=\"procurement-and-kcd1-switch-supply-chain-tips\" class=\"code-line\" dir=\"auto\" data-line=\"113\"><strong>Procurement and KCD1 Switch Supply Chain Tips<\/strong><\/h3>\n<p class=\"code-line\" dir=\"auto\" data-line=\"115\">KCD1 switches are widely available from global distributors. Standard MOQs range from 100 to 1,000 units, and lead times typically run one to four weeks from stock. Because of this, qualify multiple suppliers to reduce supply risk.<\/p>\n<h2 id=\"rocker-switch-type-comparison\" class=\"code-line\" dir=\"auto\" data-line=\"117\"><strong>Rocker Switch Type Comparison<\/strong><\/h2>\n<p class=\"code-line\" dir=\"auto\" data-line=\"119\">Use the table below to select the right configuration.<\/p>\n<table class=\"code-line\" dir=\"auto\" style=\"height: 127px;\" width=\"263\" data-line=\"121\">\n<thead class=\"code-line\" dir=\"auto\" data-line=\"121\">\n<tr class=\"code-line\" dir=\"auto\" data-line=\"121\">\n<th><strong>Type<\/strong><\/th>\n<th><strong>Poles<\/strong><\/th>\n<th><strong>Circuits<\/strong><\/th>\n<th><strong>Best Use<\/strong><\/th>\n<th><strong>Example<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody class=\"code-line\" dir=\"auto\" data-line=\"123\">\n<tr class=\"code-line\" dir=\"auto\" data-line=\"123\">\n<td>SPST<\/td>\n<td>1<\/td>\n<td>1<\/td>\n<td>Simple ON\/OFF<\/td>\n<td>Main power switch<\/td>\n<\/tr>\n<tr class=\"code-line\" dir=\"auto\" data-line=\"124\">\n<td>SPDT<\/td>\n<td>1<\/td>\n<td>2<\/td>\n<td>Changeover<\/td>\n<td>Signal routing<\/td>\n<\/tr>\n<tr class=\"code-line\" dir=\"auto\" data-line=\"125\">\n<td>DPST<\/td>\n<td>2<\/td>\n<td>2<\/td>\n<td>Dual ON\/OFF<\/td>\n<td>Two-phase isolation<\/td>\n<\/tr>\n<tr class=\"code-line\" dir=\"auto\" data-line=\"126\">\n<td>DPDT<\/td>\n<td>2<\/td>\n<td>4<\/td>\n<td>Dual changeover<\/td>\n<td>Motor reversing<\/td>\n<\/tr>\n<tr class=\"code-line\" dir=\"auto\" data-line=\"127\">\n<td>Illuminated SPST<\/td>\n<td>1<\/td>\n<td>1<\/td>\n<td>Status indication<\/td>\n<td>Panel power<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p class=\"code-line\" dir=\"auto\" data-line=\"129\">For most low-power applications, SPST KCD1 switches are sufficient. Choose DPDT versions when your design needs polarity reversal or two-circuit control.<\/p>\n<div>While KCD1 switches provide direct mechanical actuation, engineers may also evaluate magnetic switching technologies such as <a href=\"http:\/\/blogs.lcsc.com\/blog\/hall-effect-vs-reed-switch-sensor\/\">Hall effect sensors and reed switches<\/a> for contactless applications.<\/div>\n<h2 id=\"frequently-asked-questions-about-kcd1-switches\" class=\"code-line\" dir=\"auto\" data-line=\"131\"><strong>Frequently Asked Questions About KCD1 Switches<\/strong><\/h2>\n<h3 id=\"what-is-the-standard-cutout-size-for-a-kcd1-switch\" class=\"code-line\" dir=\"auto\" data-line=\"133\"><strong>What Is the Standard Cutout Size for a KCD1 Switch?<\/strong><\/h3>\n<p class=\"code-line\" dir=\"auto\" data-line=\"135\">The standard panel cutout for KCD1 rocker switches is 21.2 x 15.0mm. This dimension is widely standardized across manufacturers, which is part of why the KCD1 format remains popular for retrofits and multi-sourced designs. Still, always verify the exact cutout with your specific supplier&#8217;s datasheet, since tolerances can shift by a few tenths of a millimeter. Cutout tolerances affect how firmly the retention tabs grip the panel, and they also affect the finished panel&#8217;s appearance, since a loose fit can leave visible gaps around the bezel.<\/p>\n<h3 id=\"can-kcd1-switches-be-used-on-dc-circuits\" class=\"code-line\" dir=\"auto\" data-line=\"137\"><strong>Can KCD1 Switches Be Used on DC Circuits?<\/strong><\/h3>\n<p class=\"code-line\" dir=\"auto\" data-line=\"139\">Yes, but DC ratings differ meaningfully from AC ratings. AC current naturally interrupts itself at each zero-crossing of the waveform, which helps extinguish any arc that forms across the contacts. DC current has no such zero-crossing, so DC arcing is more sustained and harder on the contact surfaces. As a result, engineers should derate AC current ratings by at least 50% for DC use. For example, a switch rated 10A at 250VAC may only be suitable for around 5A at 30VDC, depending on the specific contact material and design.<\/p>\n<h3 id=\"how-do-i-wire-an-illuminated-rocker-switch\" class=\"code-line\" dir=\"auto\" data-line=\"141\"><strong>How Do I Wire an Illuminated Rocker Switch?<\/strong><\/h3>\n<p class=\"code-line\" dir=\"auto\" data-line=\"143\">Illuminated KCD1 switches typically have three or four terminals. Terminal 1 is the common (COM), terminal 2 is the load, and terminal 3 powers the indicator. First, connect COM to the supply line. Next, connect the load terminal to the circuit you&#8217;re switching. Finally, connect the indicator terminal to neutral or ground, depending on the switch&#8217;s internal wiring. Always check the specific datasheet diagram before wiring, since terminal numbering can vary between suppliers and product lines.<\/p>\n<h3 id=\"what-is-the-difference-between-kcd1-and-kcd2-switches\" class=\"code-line\" dir=\"auto\" data-line=\"145\"><strong>What Is the Difference Between KCD1 and KCD2 Switches?<\/strong><\/h3>\n<p class=\"code-line\" dir=\"auto\" data-line=\"147\">KCD2 switches have a larger body than KCD1 switches. The KCD2 cutout typically measures 27.8 x 21.8mm, noticeably bigger than the KCD1&#8217;s 21.2 x 15.0mm footprint. Because of the larger body, KCD2 versions can handle higher current ratings, up to 20A in many cases. KCD2 actuators also have a longer rocker throw, which some operators find easier to actuate with gloved hands in industrial settings.<\/p>\n<h3 id=\"are-kcd1-rocker-switches-rohs-compliant\" class=\"code-line\" dir=\"auto\" data-line=\"149\"><strong>Are KCD1 Rocker Switches RoHS Compliant?<\/strong><\/h3>\n<p class=\"code-line\" dir=\"auto\" data-line=\"151\">Most current KCD1 switches from reputable suppliers are RoHS compliant, since the directive has become a baseline expectation across the switch market. However, compliance can still vary by specific part number and production batch. Always request compliance documentation from your supplier before specifying a part for an RoHS-regulated market. If you&#8217;re using PCB terminal versions, also verify lead-free solder compatibility, since older stock may not meet current requirements.<\/p>\n<h2 id=\"conclusion-choosing-the-right-kcd1-rocker-switch\" class=\"code-line\" dir=\"auto\" data-line=\"153\"><strong>Conclusion: Choosing the Right KCD1 Rocker Switch<\/strong><\/h2>\n<p class=\"code-line\" dir=\"auto\" data-line=\"155\">KCD1 switches and rocker switches are versatile, reliable components. They suit a wide range of industrial, appliance, and consumer applications. Understanding configurations, ratings, and terminal types simplifies selection. In short, always match the switch rating to your circuit requirements.<\/p>\n<h2 id=\"find-what-you-need-on-lcsc\" class=\"code-line\" dir=\"auto\" data-line=\"166\"><strong>Find What You Need on <a href=\"https:\/\/www.lcsc.com\/\">LCSC<\/a><\/strong><\/h2>\n<p class=\"code-line\" dir=\"auto\" data-line=\"168\">Finding the right KCD1 rocker switch is easy on\u00a0LCSC. LCSC stocks a wide range of panel mount switches, from basic SPST types to illuminated DPDT versions. You can filter by current rating, voltage, and terminal type. Browse the full rocker switch catalogue today.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Introduction to KCD1 Switches and Rocker Switches KCD1 switches are compact, cost-effective rocker switches used worldwide. They appear in appliances, industrial panels, and consumer electronics. Understanding KCD1 switches helps engineers choose the right component for their circuit. Key Takeaways KCD1 switches typically handle 6A to 15A at 125VAC or 250VAC. SPST, SPDT, and DPDT configurations [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[253],"tags":[254,403,402],"class_list":["post-4311","post","type-post","status-publish","format-standard","hentry","category-front-panel","tag-front-panel","tag-kcd1-switches","tag-rocker-switches"],"blocksy_meta":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>KCD1 Switches and Rocker Switches: Engineering Guide - LCSC<\/title>\n<meta name=\"description\" content=\"Learn how KCD1 switches and rocker switches work, their specs, types, and applications in industrial and consumer electronics.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blogs.lcsc.com\/blog\/kcd1-switches-rocker-switches-guide\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"KCD1 Switches and Rocker Switches: Engineering Guide - 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