{"id":3216,"date":"2026-06-25T12:18:47","date_gmt":"2026-06-25T09:18:47","guid":{"rendered":"https:\/\/protechlinekenya.com\/shop\/?post_type=product&#038;p=3216"},"modified":"2026-06-25T12:28:08","modified_gmt":"2026-06-25T09:28:08","slug":"12vdc-3a-access-control-power-supply-2","status":"publish","type":"product","link":"https:\/\/protechlinekenya.com\/shop\/product\/12vdc-3a-access-control-power-supply-2\/","title":{"rendered":"12VDC 3A access control power supply"},"content":{"rendered":"<h1>Access Control Power Supply Unit (PSU) 12V 3A<\/h1>\n<p><strong class=\"Yjhzub\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif; font-size: 16px; font-weight: 700; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\">Stable Power Delivery:<!--TgQPHd||[]--><\/strong> Provides a clean, regulated 12V DC output, with 3A instantaneous (peak) current to support electromagnetic locks, strikes, and exit buttons.<\/p>\n<p><strong class=\"Yjhzub\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif; font-size: 16px; font-weight: 700; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\">Adjustable Output Voltage:<!--TgQPHd||[]--><\/strong> Allows fine-tuning (usually 12V to 15V) to compensate for voltage drop over longer cable runs.<\/p>\n<p><strong class=\"Yjhzub\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif; font-size: 16px; font-weight: 700; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\">Built-In Time Delay:<!--TgQPHd||[]--><\/strong> Supports a user-adjustable relay timer (typically 0 to 15 seconds).<\/p>\n<p><strong class=\"Yjhzub\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif; font-size: 16px; font-weight: 700; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\">Fail-Safe\/Fail-Secure Modes:<!--TgQPHd||[]--><\/strong> Features NC (Normally Closed) and NO (Normally Open) outputs to control different lock types.<\/p>\n<div class=\"\" data-bfc=\"\" data-ved=\"2ahUKEwiyqtKx76GVAxVm1gIHHZyGKWMQi4wTegoIAggACAAIFhAA\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\">\n<div class=\"otQkpb\" role=\"heading\" aria-level=\"3\" data-animation-nesting=\"\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif; font-size: 20px; font-weight: 600; margin: 24px 0px 12px; text-decoration: none; border-bottom: 0px rgb(0, 29, 53);\"><strong>Compatible Devices:<\/strong><!--TgQPHd||[]--><\/div>\n<\/div>\n<div class=\"\" data-bfc=\"\" data-ved=\"2ahUKEwiyqtKx76GVAxVm1gIHHZyGKWMQi4wTegoIAggACAAIHxAA\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\">\n<ul class=\"KsbFXc U6u95\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 12px 0px 16px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\">\n<li class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-hveid=\"CAIIAAgACB8QAQ\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px 0px 12px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\"><span class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\">Electric drop bolts &amp; electromagnetic locks.<!--TgQPHd||[]--><\/span><!--TgQPHd||[]--><\/li>\n<li class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-hveid=\"CAIIAAgACB8QAg\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px 0px 12px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\"><span class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\">Biometric readers and RFID card controllers.<!--TgQPHd||[]--><\/span><!--TgQPHd||[]--><\/li>\n<li class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-hveid=\"CAIIAAgACB8QAw\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px 0px 12px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\"><span class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\">Access keypads and exit buttons.<!--TgQPHd||[]--><\/span><!--TgQPHd||[]--><\/li>\n<li class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-hveid=\"CAIIAAgACB8QBA\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px 0px 12px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\"><span class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\">Doorbell \/ Intercom systems.<\/span><\/li>\n<\/ul>\n<div class=\"\" data-bfc=\"\" data-ved=\"2ahUKEwiyqtKx76GVAxVm1gIHHZyGKWMQi4wTegoIAggACAAIIBAA\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\">\n<div class=\"otQkpb\" role=\"heading\" aria-level=\"3\" data-animation-nesting=\"\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif; font-size: 20px; font-weight: 600; margin: 24px 0px 12px; text-decoration: none; border-bottom: 0px rgb(0, 29, 53);\">Important Installation Notes (Best Practices):<!--TgQPHd||[]--><\/div>\n<\/div>\n<div class=\"\" data-bfc=\"\" data-ved=\"2ahUKEwiyqtKx76GVAxVm1gIHHZyGKWMQi4wTegoIAggACAAIJRAA\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\">\n<ul class=\"KsbFXc U6u95\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 12px 0px 16px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\">\n<li class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-hveid=\"CAIIAAgACCUQAQ\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px 0px 12px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\"><span class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\"><strong class=\"Yjhzub\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif; font-size: 16px; font-weight: 700; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\">Current Threshold:<!--TgQPHd||[]--><\/strong> Rule of thumb is to calculate the total current draw of all devices (locks + readers) and keep it under 80% of the power supply&#8217;s capacity.<!--TgQPHd||[]--><\/span><!--TgQPHd||[]--><\/li>\n<li class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-hveid=\"CAIIAAgACCUQAg\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px 0px 12px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\"><span class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\"><strong class=\"Yjhzub\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif; font-size: 16px; font-weight: 700; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\">Battery Backup:<!--TgQPHd||[]--><\/strong> For uninterrupted security during mains power outages, ensure your setup utilizes a compatible 12V backup battery.<!--TgQPHd||[]--><\/span><!--TgQPHd||[]--><\/li>\n<li class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-hveid=\"CAIIAAgACCUQAw\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px 0px 12px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\"><span class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\"><strong class=\"Yjhzub\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif; font-size: 16px; font-weight: 700; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\">Voltage Drop:<!--TgQPHd||[]--><\/strong> Keep cable runs short or use heavier gauge wires to prevent voltage drop over distance.<\/span><\/li>\n<\/ul>\n<p>High and low, three-way switch, over-current, over-voltage and short circuit protection.12VDC 3A access control power supply is characterized by its anti-interference ability, stability and reliability. Power application range applied to a variety of construction intercoms, and access to a variety of import and export controls, especially applicable to a variety of electric lock motors. It can reduce the load of the access controller, and save wiring to reduce hidden trouble.<\/p>\n<blockquote>\n<h3><strong>Product Specifications<\/strong><\/h3>\n<\/blockquote>\n<ul>\n<li>Input voltage: AC 110-240V, 50\/60Hz<\/li>\n<li>Output voltage: DC 12V<\/li>\n<li>Output current: 3A<\/li>\n<li>Maximum power output: 36W<\/li>\n<li>Lock delay timer: 0-15 seconds adjustable<\/li>\n<li>Battery backup: Supports 12V lead-acid battery (battery not included)<\/li>\n<li>Protection: Short circuit, overload, and over-voltage protection<\/li>\n<li>Operating environment: Indoor use, ambient temperature 0\u00b0C to 40\u00b0C.<\/li>\n<\/ul>\n<div class=\"\" data-bfc=\"\" data-ved=\"2ahUKEwiRuJSUhaKVAxXLw7sIHbFTA-wQi4wTegoIAggACAAIEhAA\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\">\n<div class=\"otQkpb\" role=\"heading\" aria-level=\"3\" data-animation-nesting=\"\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif; font-size: 20px; font-weight: 600; margin: 24px 0px 12px; text-decoration: none; border-bottom: 0px rgb(0, 29, 53);\">Common Applications<!--TgQPHd||[]--><\/div>\n<\/div>\n<div class=\"\" data-bfc=\"\" data-ved=\"2ahUKEwiRuJSUhaKVAxXLw7sIHbFTA-wQi4wTegoIAggACAAIFRAA\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\">\n<ul class=\"KsbFXc U6u95\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 12px 0px 16px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\">\n<li class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-hveid=\"CAIIAAgACBUQAQ\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px 0px 12px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\"><span class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\"><strong class=\"Yjhzub\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif; font-size: 16px; font-weight: 700; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\">Electronic Strikes\/Maglocks:<!--TgQPHd||[]--><\/strong> Powers the fail-safe or fail-secure locks on single or multiple doors.<!--TgQPHd||[]--><\/span><!--TgQPHd||[]--><\/li>\n<li class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-hveid=\"CAIIAAgACBUQAg\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px 0px 12px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\"><span class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\"><strong class=\"Yjhzub\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif; font-size: 16px; font-weight: 700; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\">Controllers &amp; Readers:<!--TgQPHd||[]--><\/strong> Supplies continuous power to RFID card readers, biometric scanners, and access panels.<!--TgQPHd||[]--><\/span><!--TgQPHd||[]--><\/li>\n<li class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-hveid=\"CAIIAAgACBUQAw\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px 0px 12px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\"><span class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\"><strong class=\"Yjhzub\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif; font-size: 16px; font-weight: 700; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\">Intercoms &amp; Alarms:<!--TgQPHd||[]--><\/strong> Used in integrated corporate and residential security networks.<\/span><\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Access Control Power Supply Unit (PSU) 12V 3A Stable Power Delivery: Provides a clean, regulated 12V DC output, with 3A instantaneous (peak) current to support electromagnetic locks, strikes, and exit buttons. Adjustable Output Voltage: Allows fine-tuning (usually 12V to 15V) to compensate for voltage drop over longer cable runs. Built-In Time Delay: Supports a user-adjustable [&hellip;]<\/p>\n","protected":false},"featured_media":3217,"template":"","meta":[],"product_brand":[],"product_cat":[83],"product_tag":[3859,3863,3847,3828,3827,3855,3837,3829,3857,3861,3862,3858,1728,3843,2908,899,3842,3851,3835,3864,3854,3833,3865,3866,3831,3856,3860,3832],"class_list":["post-3216","product","type-product","status-publish","has-post-thumbnail","product_cat-biometric-access-control-system","product_tag-12-volt-3-amp-power-supply","product_tag-12v-3a-access-control-psu","product_tag-12v-7ah-battery-compatible","product_tag-12v-access-control-power-supply","product_tag-3-amp-power-supply","product_tag-3-year-warranty","product_tag-ac-fail-monitoring","product_tag-access-control-power-supply","product_tag-access-control-power-supply-3amps","product_tag-access-control-power-supply-psu-12v-3a","product_tag-access-control-power-supply-psu-12v-3amp","product_tag-access-control-power-supply-unit-psu-12v-3a","product_tag-access-control-systems","product_tag-card-readers","product_tag-commercial-grade","product_tag-electric-door-locks","product_tag-electric-strikes","product_tag-emergency-egress-compliant","product_tag-fire-alarm-interface","product_tag-for-access-control-and-security-systems","product_tag-in-stock-kenya","product_tag-magnetic-lock-power-supply","product_tag-power-supply","product_tag-power-supply-3-amps-12v-access-control","product_tag-power-supply-with-battery-backup","product_tag-prevents-voltage-drop","product_tag-security-devices","product_tag-ul-294-power-supply","first","instock","shipping-taxable","purchasable","product-type-simple"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - 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