{"id":91,"date":"2026-01-09T14:33:09","date_gmt":"2026-01-09T14:33:09","guid":{"rendered":"https:\/\/www.martin-electronics.co.za\/index.php\/product\/merdc-01\/"},"modified":"2026-01-10T18:22:15","modified_gmt":"2026-01-10T18:22:15","slug":"merdc-01","status":"publish","type":"product","link":"https:\/\/martin-electronics.co.za\/?product=merdc-01","title":{"rendered":"MERDC-01"},"content":{"rendered":"<p>The SENTRY roller shutter remote control system is ideal for use with roller shutter garage doors that utilize a tubular motor with built-in limit switches. It also facilitates connections for safety beams as optional extras. It has a built-in 433MHz Superheterodyne ASK receiver unit. The roller shutter controller system includes two pre-programmed three-button 433MHz SENTRY code-hopping transmitters.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The SENTRY MERDC-01 is a roller shutter remote control system that is designed to control roller shutter doors for garage doors and mini-factories. The unit is designed to facilitate the operations of powerful squirrel cage and tubular motors, which may be found controlling large roller shutter doors at mini factories. The SENTRY MERDC-01 is designed to control these roller shutters by means of utilizing the existing Radio Frequency products in the SENTRY range. The MERDC-01 comes standard with two pre-programmed three-button 433MHz SENTRY code-hopping transmitters.<\/p>\n","protected":false},"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0},"product_brand":[18],"product_cat":[37,40],"product_tag":[],"class_list":["post-91","product","type-product","status-publish","product_brand-martin-electronics","product_cat-gate-automation","product_cat-roll-up-garage-operator","pa_gaurantee-warranty-sentry-products-are-manufactured-with-careful-consideration-to-detail-and-process-and-each-unit-is-manufactured-in-a-regulated-contaminant-free-environment-and-it-is-tested-under-strict","pa_technical-specifications-technical-specifications-and-features-carrier-frequency-433-925mhz-code-protocols-supported-amplitude-shift-keying-ask-power-source-200-230vac-50-60hz-relay-contacts-2-x-10a-240vac","first","instock","product-type-simple"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.8 - aioseo.com -->\n\t<meta name=\"description\" content=\"The SENTRY MERDC-01 is a roller shutter remote control system that is designed to control roller shutter doors for garage doors and mini-factories. The unit is designed to facilitate the operations of powerful squirrel cage and tubular motors, which may be found controlling large roller shutter doors at mini factories. The SENTRY MERDC-01 is designed to control these roller shutters by means of utilizing the existing Radio Frequency products in the SENTRY range. The MERDC-01 comes standard with two pre-programmed three-button 433MHz SENTRY code-hopping transmitters.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/martin-electronics.co.za\/?product=merdc-01\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.8\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Martin Electronics -\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"MERDC-01 - Martin Electronics\" \/>\n\t\t<meta property=\"og:description\" content=\"The SENTRY MERDC-01 is a roller shutter remote control system that is designed to control roller shutter doors for garage doors and mini-factories. The unit is designed to facilitate the operations of powerful squirrel cage and tubular motors, which may be found controlling large roller shutter doors at mini factories. The SENTRY MERDC-01 is designed to control these roller shutters by means of utilizing the existing Radio Frequency products in the SENTRY range. The MERDC-01 comes standard with two pre-programmed three-button 433MHz SENTRY code-hopping transmitters.\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/martin-electronics.co.za\/?product=merdc-01\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2026-01-09T14:33:09+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2026-01-10T18:22:15+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"MERDC-01 - Martin Electronics\" \/>\n\t\t<meta name=\"twitter:description\" content=\"The SENTRY MERDC-01 is a roller shutter remote control system that is designed to control roller shutter doors for garage doors and mini-factories. 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