{"id":8040,"date":"2026-09-22T03:20:08","date_gmt":"2026-09-22T03:20:08","guid":{"rendered":"https:\/\/potensilift.com\/?post_type=product&#038;p=8040"},"modified":"2026-09-22T03:20:58","modified_gmt":"2026-09-22T03:20:58","slug":"elevator-pcb-board-tcbv-iii-tda26800xy21-for-otis","status":"publish","type":"product","link":"https:\/\/potensilift.com\/ar\/%d8%a7%d9%84%d9%85%d9%86%d8%aa%d8%ac\/elevator-pcb-board-tcbv-iii-tda26800xy21-for-otis\/","title":{"rendered":"Elevator PCB Board TCBV-III TDA26800XY21 for Otis"},"content":{"rendered":"<h2 class=\"text-[1.2rem] font-bold mt-4 pt-4 mb-4 text-zinc-800 dark:text-zinc-200 first:mt-0 first:pt-0 tracking-tight\">Product Information<\/h2>\n<div class=\"my-5 relative flex-1 min-h-0 min-w-0 hover:cursor-default overflow-x-auto overflow-y-hidden phoenix-scrollbar\">\n<div>\n<table class=\"min-w-full border-collapse text-sm\">\n<thead>\n<tr>\n<th class=\"border border-zinc-200 dark:border-zinc-700 px-3 py-2 bg-zinc-50 dark:bg-zinc-800\/80 font-semibold text-left text-zinc-700 dark:text-zinc-300\">Feature<\/th>\n<th class=\"border border-zinc-200 dark:border-zinc-700 px-3 py-2 bg-zinc-50 dark:bg-zinc-800\/80 font-semibold text-left text-zinc-700 dark:text-zinc-300\">Specification<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td class=\"border border-zinc-200 dark:border-zinc-700 px-3 py-2\"><strong class=\"font-semibold text-zinc-900 dark:text-zinc-100\">Model Number<\/strong><\/td>\n<td class=\"border border-zinc-200 dark:border-zinc-700 px-3 py-2\">TCBV-III<\/td>\n<\/tr>\n<tr>\n<td class=\"border border-zinc-200 dark:border-zinc-700 px-3 py-2\"><strong class=\"font-semibold text-zinc-900 dark:text-zinc-100\">Also Written As<\/strong><\/td>\n<td class=\"border border-zinc-200 dark:border-zinc-700 px-3 py-2\">TCBV lll, TCBV-lll, TCBV III, TCBV 3, TCBV-3<\/td>\n<\/tr>\n<tr>\n<td class=\"border border-zinc-200 dark:border-zinc-700 px-3 py-2\"><strong class=\"font-semibold text-zinc-900 dark:text-zinc-100\">Part Number<\/strong><\/td>\n<td class=\"border border-zinc-200 dark:border-zinc-700 px-3 py-2\">TDA26800XY21<\/td>\n<\/tr>\n<tr>\n<td class=\"border border-zinc-200 dark:border-zinc-700 px-3 py-2\"><strong class=\"font-semibold text-zinc-900 dark:text-zinc-100\">Cross Reference Model<\/strong><\/td>\n<td class=\"border border-zinc-200 dark:border-zinc-700 px-3 py-2\">TCA26800XY12<\/td>\n<\/tr>\n<tr>\n<td class=\"border border-zinc-200 dark:border-zinc-700 px-3 py-2\"><strong class=\"font-semibold text-zinc-900 dark:text-zinc-100\">Brand<\/strong><\/td>\n<td class=\"border border-zinc-200 dark:border-zinc-700 px-3 py-2\">Otis<\/td>\n<\/tr>\n<tr>\n<td class=\"border border-zinc-200 dark:border-zinc-700 px-3 py-2\"><strong class=\"font-semibold text-zinc-900 dark:text-zinc-100\">Product Type<\/strong><\/td>\n<td class=\"border border-zinc-200 dark:border-zinc-700 px-3 py-2\">Elevator PCB Board (Printed Circuit Board \/ Circuit Board \/ Control Board)<\/td>\n<\/tr>\n<tr>\n<td class=\"border border-zinc-200 dark:border-zinc-700 px-3 py-2\"><strong class=\"font-semibold text-zinc-900 dark:text-zinc-100\">Control System<\/strong><\/td>\n<td class=\"border border-zinc-200 dark:border-zinc-700 px-3 py-2\">TCBV-III (OTIS Elevator Control Systems)<\/td>\n<\/tr>\n<tr>\n<td class=\"border border-zinc-200 dark:border-zinc-700 px-3 py-2\"><strong class=\"font-semibold text-zinc-900 dark:text-zinc-100\">Application<\/strong><\/td>\n<td class=\"border border-zinc-200 dark:border-zinc-700 px-3 py-2\">Otis elevator control systems<\/td>\n<\/tr>\n<tr>\n<td class=\"border border-zinc-200 dark:border-zinc-700 px-3 py-2\"><strong class=\"font-semibold text-zinc-900 dark:text-zinc-100\">Compatibility<\/strong><\/td>\n<td class=\"border border-zinc-200 dark:border-zinc-700 px-3 py-2\">Please confirm according to the original system<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<hr class=\"my-6 border-zinc-200\/80 dark:border-zinc-700\/80\" \/>\n<h2 class=\"text-[1.2rem] font-bold mt-4 pt-4 mb-4 text-zinc-800 dark:text-zinc-200 first:mt-0 first:pt-0 tracking-tight\">Related &amp; Alternative Models<\/h2>\n<p class=\"!mt-2 !mb-2 leading-relaxed\">Related Otis boards in the TCBV range:<\/p>\n<ul class=\"my-5 space-y-3 leading-[1.85] pl-5\">\n<li class=\"leading-[1.85] pl-1\">TCA26800XY12<\/li>\n<li class=\"leading-[1.85] pl-1\">TCA26800XY1<\/li>\n<li class=\"leading-[1.85] pl-1\"><a href=\"https:\/\/potensilift.com\/en\/product\/elevator-pcb-tcbv-lll-tca26800xy3-for-otis\/\">TCA26800XY3<\/a><\/li>\n<li class=\"leading-[1.85] pl-1\">TCA26800XY5<\/li>\n<li class=\"leading-[1.85] pl-1\">TDA26800XY25<\/li>\n<li class=\"leading-[1.85] pl-1\">TBA26800WX1<\/li>\n<li class=\"leading-[1.85] pl-1\">TBA26800WY1<\/li>\n<\/ul>\n<p class=\"!mt-2 !mb-2 leading-relaxed\">TCA26800XY12 is the cross reference model for the Otis TCBV-III board TDA26800XY21. TCA26800XY1, TCA26800XY3, and TCA26800XY5 are TCBV-III boards. TDA26800XY25 is a TCBV-III board commonly listed together with TCA26800XY5. TBA26800WX1 and TBA26800WY1 are TCBV-II boards. TCBV-II and TCBV-III are different board generations, so the board generation, the part number, the cross reference model, the connector layout, and the board marking must be confirmed against the original Otis board.<\/p>\n<p class=\"!mt-2 !mb-2 leading-relaxed\">Potensi supplies the Otis TCBV-III board TDA26800XY21 and a wide range of other Otis elevator PCB boards. The models above are only a part of what we can supply. We stock and source a much wider range of related and alternative Otis elevator boards. If your model number is not listed here, please send us the model number or a photo of the original part, and we will confirm availability and the correct match for you.<\/p>\n<hr class=\"my-6 border-zinc-200\/80 dark:border-zinc-700\/80\" \/>\n<h2 class=\"text-[1.2rem] font-bold mt-4 pt-4 mb-4 text-zinc-800 dark:text-zinc-200 first:mt-0 first:pt-0 tracking-tight\">Why Choose Potensi?<\/h2>\n<ul class=\"my-5 space-y-3 leading-[1.85] pl-5\">\n<li class=\"leading-[1.85] pl-1\"><strong class=\"font-semibold text-zinc-900 dark:text-zinc-100\">99% Market Coverage:<\/strong>\u00a0We can supply nearly 99% of elevator spare parts on the market.<\/li>\n<li class=\"leading-[1.85] pl-1\"><strong class=\"font-semibold text-zinc-900 dark:text-zinc-100\">Genuine Quality Assurance:<\/strong>\u00a0We provide genuine and reliable elevator components.<\/li>\n<li class=\"leading-[1.85] pl-1\"><strong class=\"font-semibold text-zinc-900 dark:text-zinc-100\">Expert Identification Support:<\/strong>\u00a0Send us the model number or product photos, and we can help confirm the correct part.<\/li>\n<li class=\"leading-[1.85] pl-1\"><strong class=\"font-semibold text-zinc-900 dark:text-zinc-100\">Global Shipping:<\/strong>\u00a0We support fast and reliable international delivery for elevator maintenance projects.<\/li>\n<\/ul>\n<hr class=\"my-6 border-zinc-200\/80 dark:border-zinc-700\/80\" \/>\n<h2 class=\"text-[1.2rem] font-bold mt-4 pt-4 mb-4 text-zinc-800 dark:text-zinc-200 first:mt-0 first:pt-0 tracking-tight\">FAQ<\/h2>\n<p class=\"!mt-2 !mb-2 leading-relaxed\"><strong class=\"font-semibold text-zinc-900 dark:text-zinc-100\">Q1: What is the TCBV-III board used for?<\/strong><\/p>\n<p class=\"!mt-2 !mb-2 leading-relaxed\"><strong class=\"font-semibold text-zinc-900 dark:text-zinc-100\">A:<\/strong>\u00a0It is a printed circuit board (PCB) for the TCBV-III control system used in Otis elevators. This Otis TCBV-III board manages the elevator operation and control functions in the system.<\/p>\n<p class=\"!mt-2 !mb-2 leading-relaxed\"><strong class=\"font-semibold text-zinc-900 dark:text-zinc-100\">Q2: What is the part number of this board?<\/strong><\/p>\n<p class=\"!mt-2 !mb-2 leading-relaxed\"><strong class=\"font-semibold text-zinc-900 dark:text-zinc-100\">A:<\/strong>\u00a0The part number is TDA26800XY21. The board is marked TCBV-III.<\/p>\n<p class=\"!mt-2 !mb-2 leading-relaxed\"><strong class=\"font-semibold text-zinc-900 dark:text-zinc-100\">Q3: What other names is this board known by?<\/strong><\/p>\n<p class=\"!mt-2 !mb-2 leading-relaxed\"><strong class=\"font-semibold text-zinc-900 dark:text-zinc-100\">A:<\/strong>\u00a0The board is written TCBV-III, TCBV III, TCBV 3, TCBV-3, and TCBV lll. It is also listed as an Otis elevator PCB board, an Otis circuit board, and an Otis elevator control board.<\/p>\n<p class=\"!mt-2 !mb-2 leading-relaxed\"><strong class=\"font-semibold text-zinc-900 dark:text-zinc-100\">Q4: Which board does the TDA26800XY21 cross reference?<\/strong><\/p>\n<p class=\"!mt-2 !mb-2 leading-relaxed\"><strong class=\"font-semibold text-zinc-900 dark:text-zinc-100\">A:<\/strong>\u00a0It cross references board TCA26800XY12. Both belong to the TCBV-III control system, and the board generation must be confirmed before ordering.<\/p>\n<p class=\"!mt-2 !mb-2 leading-relaxed\"><strong class=\"font-semibold text-zinc-900 dark:text-zinc-100\">Q5: How can I confirm whether this board matches my elevator?<\/strong><\/p>\n<p class=\"!mt-2 !mb-2 leading-relaxed\"><strong class=\"font-semibold text-zinc-900 dark:text-zinc-100\">A:<\/strong>\u00a0Please compare the part number, the cross reference model, the board marking, the connector layout, the mounting, and the board dimensions with your original Otis board.<\/p>\n<p class=\"!mt-2 !mb-2 leading-relaxed\"><strong class=\"font-semibold text-zinc-900 dark:text-zinc-100\">Q6: Can you help identify the correct board if I am not sure?<\/strong><\/p>\n<p class=\"!mt-2 !mb-2 leading-relaxed\"><strong class=\"font-semibold text-zinc-900 dark:text-zinc-100\">A:<\/strong>\u00a0Yes. Please send clear photos of the original Otis board, including the complete board front and back, the model and part number marking, the connectors, and any label. Our technical team can help identify the correct board.<\/p>\n<p class=\"!mt-2 !mb-2 leading-relaxed\"><strong class=\"font-semibold text-zinc-900 dark:text-zinc-100\">Q7: Do you supply other Otis elevator boards?<\/strong><\/p>\n<p class=\"!mt-2 !mb-2 leading-relaxed\"><strong class=\"font-semibold text-zinc-900 dark:text-zinc-100\">A:<\/strong>\u00a0Yes. We supply Otis elevator control boards, Otis display boards, Otis weighing boards, Otis door operator boards, and other Otis elevator PCB boards and spare parts.<\/p>\n","protected":false},"excerpt":{"rendered":"<p class=\"!mt-2 !mb-2 leading-relaxed\">The Otis TCBV-III PCB board TDA26800XY21 is an Otis elevator control board for the TCBV-III control system used in Otis elevators. This Otis elevator circuit board is also written TCBV-lll, and it is used where board TCA26800XY12 is applied. It manages the elevator operation and control functions in the system.<\/p>","protected":false},"featured_media":8042,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_seopress_titles_title":"Elevator PCB Board TCBV-III TDA26800XY21 for Otis","_seopress_titles_desc":"Elevator PCB board TCBV-III (also written TCBV 3, TCBV lll), part number TDA26800XY21, cross reference model TCA26800XY12, for Otis elevators. 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