{"id":43210,"date":"2025-07-01T14:13:54","date_gmt":"2025-07-01T12:13:54","guid":{"rendered":"https:\/\/beteccontrols.nl\/producten\/alpha-direct-24v\/"},"modified":"2026-05-23T15:10:27","modified_gmt":"2026-05-23T13:10:27","slug":"alpha-direct-24v","status":"publish","type":"product","link":"https:\/\/beteccontrols.nl\/en\/products\/alpha-direct-24v\/","title":{"rendered":"M\u00f6hlenhoff OEM Alpha direct display 24\u202fV AC | Digital room thermostat"},"content":{"rendered":"<h2>Introduction<\/h2>\n<p>The <b>M\u00f6hlenhoff OEM Alpha direct display 24\u202fV <\/b>is a precise and user-friendly room thermostat with a clear digital display. Thanks to the intuitive push-turn dial with fine adjustment, the user can easily set the desired temperature. The clear, language-neutral symbols make operation even more accessible. In addition, this thermostat integrates seamlessly with the OEM Actuator\u202f5, ensuring quick installation and reliable operation.<\/p>\n<h2>Main benefits<\/h2>\n<ul>\n<li>Digital, language-neutral display with backlighting for easy readability<\/li>\n<li>Push-turn dial for precise setpoint adjustment (5\u201330\u202f\u00b0C)<\/li>\n<li>Direct control of OEM Actuator\u202f5 for simple single-room regulation<\/li>\n<li>Multi-function: heating, cooling, frost protection, and valve protection<\/li>\n<li>Adjustable setpoint calibration and limiter for maximum control<\/li>\n<li>Inputs for changeover and time-controlled temperature reduction integrated<\/li>\n<li>Compact and flat design (86\u00d786\u00d731\u202fmm), durable quality, maintenance-free<\/li>\n<\/ul>\n<h2>Technical specifications<\/h2>\n<table style=\"width: 100%;\">\n<tbody>\n<tr>\n<th style=\"text-align: left;\">Feature<\/th>\n<th style=\"text-align: left;\">Specification<\/th>\n<\/tr>\n<tr>\n<td>Supply voltage<\/td>\n<td>24\u202fV AC \u00b120\u202f%, 50\u202fHz<\/td>\n<\/tr>\n<tr>\n<td>display<\/td>\n<td>Digital LCD with backlighting<\/td>\n<\/tr>\n<tr>\n<td>Setting range<\/td>\n<td>5\u201330\u202f\u00b0C<\/td>\n<\/tr>\n<tr>\n<td>Control<\/td>\n<td>Push-turn dial with fine detent<\/td>\n<\/tr>\n<tr>\n<td>Control type<\/td>\n<td>PI control according to DIN\u202fEN\u202f60730-1<\/td>\n<\/tr>\n<tr>\n<td>Number of actuators<\/td>\n<td>Up to 5 directly controllable OEM Actuator\u202f5 \u2022 NC\/NO<\/td>\n<\/tr>\n<tr>\n<td>Functions<\/td>\n<td>Setpoint limiter, calibration, frost and valve protection<\/td>\n<\/tr>\n<tr>\n<td>Inputs<\/td>\n<td>Changeover input \u2022 Time-controlled day\/night setback<\/td>\n<\/tr>\n<tr>\n<td>Housing<\/td>\n<td>White plastic, 86\u202f\u00d7\u202f86\u202f\u00d7\u202f31\u202fmm<\/td>\n<\/tr>\n<tr>\n<td>Installation<\/td>\n<td>Surface-mounted or flush-mounted without cable lock<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Available versions<\/h2>\n<h3>24 V version: Standard with digital display<\/h3>\n<table style=\"width: 100%; text-align: left;\">\n<tbody>\n<tr>\n<th style=\"width: 6.97674%;\">Type<\/th>\n<th style=\"width: 92.6188%;\">Description<\/th>\n<\/tr>\n<tr>\n<td style=\"width: 6.97674%;\">RD 40203-10N4<\/td>\n<td style=\"width: 92.6188%;\">Heating, NC variant, fixed setback temperature, input for setback temperature, switching output indication, setpoint calibration and limiter, valve protection function, switching output switch-off, frost protection, operating lock<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 6.97674%;\">RD 40203-10N5<\/td>\n<td style=\"width: 92.6188%;\">As RD 40203-10N4 but including design panel<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 6.97674%;\">RD 40203-10N3<\/td>\n<td style=\"width: 92.6188%;\">As RD 40203-10N4 but in Jet Black RAL 9005<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>24 V version: Comfort with digital display and heating and cooling function<\/h3>\n<table style=\"width: 100%; text-align: left;\">\n<tbody>\n<tr>\n<th style=\"width: 7.22952%;\">Type<\/th>\n<th style=\"width: 92.366%;\">Description<\/th>\n<\/tr>\n<tr>\n<td style=\"width: 7.22952%;\">RD 45203-40N4<\/td>\n<td style=\"width: 92.366%;\">Heating\/cooling, NC\/NO variant, changeover, selectable heating system, adjustable setback temperature, input for setback temperature, switching output indication, setpoint calibration and limiter, cooling function lockout, valve protection function, switching output switch-off, frost protection, operating lock, backlighting<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 7.22952%;\">RD 45203-40N5<\/td>\n<td style=\"width: 92.366%;\">As RD 45203-40N4 but including design panel<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 7.22952%;\">RD 45203-40N3<\/td>\n<td style=\"width: 92.366%;\">As RD 45203-40N4 but in Jet Black RAL 9005<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>24 V version: Controller with digital display and heating and cooling function<\/h3>\n<table style=\"width: 100%; text-align: left;\">\n<tbody>\n<tr>\n<th style=\"width: 7.38119%;\">Type<\/th>\n<th style=\"width: 92.2144%;\">Description<\/th>\n<\/tr>\n<tr>\n<td style=\"width: 7.38119%;\">RD 45203-60N<\/td>\n<td style=\"width: 92.2144%;\">Heating\/cooling, NC\/NO variant, changeover, selectable heating system, Smart Start\/Stop, adjustable setback temperature, output for setback temperature, switching output indication, setpoint calibration and limiter, day and night setpoint, cooling function lockout, valve protection function, switching output switch-off, frost protection, operating lock, backlighting<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 7.38119%;\">RD 45203-60N5<\/td>\n<td style=\"width: 92.2144%;\">As RD 45203-60N but including design panel<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 7.38119%;\">RD 45203-60N3<\/td>\n<td style=\"width: 92.2144%;\">As RD 45203-60N but in Jet Black RAL 9005<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Available options<\/h3>\n<table style=\"width: 100%; text-align: left;\">\n<tbody>\n<tr>\n<th>Part<\/th>\n<th>Description<\/th>\n<\/tr>\n<tr>\n<td>Design panel<\/td>\n<td>High-quality front panel for the room control device display<\/td>\n<\/tr>\n<tr>\n<td>display<\/td>\n<td>Backlighting for standard version<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Available accessories<\/h3>\n<table style=\"width: 100%; text-align: left;\">\n<tbody>\n<tr>\n<th style=\"width: 16.633%;\">Type<\/th>\n<th style=\"width: 82.9626%;\">Description<\/th>\n<\/tr>\n<tr>\n<td style=\"width: 16.633%;\">ES 1000<\/td>\n<td style=\"width: 82.9626%;\">NTC Sensor, 3\u202fm cable, 2 x 0.75\u202fmm\u00b2, for connection to Alpha direct Control.<br \/>\nTemperature Sensor:<br \/>\nCable length \/ type: 3\u202fm \/ H03VVH2-F; 2 x 0.75\u202fmm\u00b2<br \/>\nOperating temperature range: 0 to 50\u202f\u00b0C<br \/>\nProtection class: IP\u202f67<br \/>\nMax. measuring voltage: 12\u202fV<br \/>\nInsulation value: NTC with 22\u202fkOhm at 25\u202f\u00b0C \u00b1 2\u202f%<br \/>\nDesigned for applications with 230\u202fV<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>FAQ<\/h2>\n<h3>Can this thermostat directly control actuators?<\/h3>\n<p>As a result, there is no need to add an extra control unit; with a direct connection of up to five OEM Actuator\u202f5 units, users can easily achieve reliable single-room regulation.<\/p>\n<h3>What does the Smart Start \/ Smart Stop function do?<\/h3>\n<p>Overall, this function ensures that the actuator only moves when necessary, which reduces wear and lowers energy consumption.<\/p>\n<h3>Is cooling also possible?<\/h3>\n<p>On the other hand, the Control version offers an integrated changeover input for seamless heating\/cooling applications.<\/p>\n<h3>Is there a limit on the temperature setting?<\/h3>\n<p>Because the setpoint limiter is adjustable, you can prevent end users from going outside the set comfort range.<\/p>\n<h3>How is the installation?<\/h3>\n<p>Because this thermostat is compact, flat, and easy to install (metric connection without cable lock), installation is very quick and straightforward.<\/p>\n<p>&nbsp;<\/p>\n<p>Do you have any questions or would you like more information? Please <a href=\"https:\/\/beteccontrols.nl\/en\/contact\/\" target=\"_blank\" rel=\"noopener\">contact<\/a> us! You can reach us by phone, email, or, if you prefer, via the chat function.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The <b>M\u00f6hlenhoff OEM Alpha direct display 24\u202fV <\/b>is a precise and user-friendly room thermostat with a clear digital display. Thanks to the intuitive push-turn dial with fine adjustment, the user can easily set the desired temperature. The clear, language-neutral symbols make operation even more accessible. In addition, this thermostat integrates seamlessly with the OEM Actuator\u202f5, ensuring quick installation and reliable operation.<\/p>\n","protected":false},"featured_media":43211,"template":"","meta":[],"pwb-brand":[7265],"product_brand":[],"product_cat":[6101,6421,5193,6467],"product_tag":[8200,8201,8199,7172,7173,8192,8190,8191,8195,8193,8194,8196,8198,8197],"class_list":{"0":"post-43210","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"pwb-brand-mohlenhoff","7":"product_cat-room-temperature-controllers","8":"product_cat-room-thermostats","9":"product_cat-sensors-controllers","10":"product_cat-thermostats","11":"product_tag-alpha","12":"product_tag-alpha-direct","13":"product_tag-es1000","14":"product_tag-moehlenhoff","15":"product_tag-mohlenhoff","16":"product_tag-rd40203-10n3","17":"product_tag-rd40203-10n4","18":"product_tag-rd40203-10n5","19":"product_tag-rd45203-40n3","20":"product_tag-rd45203-40n4","21":"product_tag-rd45203-40n5","22":"product_tag-rd45203-60n","23":"product_tag-rd45203-60n3","24":"product_tag-rd45203-60n5","26":"first","27":"instock","28":"shipping-taxable","29":"purchasable","30":"product-type-simple"},"brands":[{"id":7265,"name":"M\u00f6hlenhoff","slug":"mohlenhoff"}],"_links":{"self":[{"href":"https:\/\/beteccontrols.nl\/en\/wp-json\/wp\/v2\/product\/43210","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/beteccontrols.nl\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/beteccontrols.nl\/en\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/beteccontrols.nl\/en\/wp-json\/wp\/v2\/media\/43211"}],"wp:attachment":[{"href":"https:\/\/beteccontrols.nl\/en\/wp-json\/wp\/v2\/media?parent=43210"}],"wp:term":[{"taxonomy":"pwb-brand","embeddable":true,"href":"https:\/\/beteccontrols.nl\/en\/wp-json\/wp\/v2\/pwb-brand?post=43210"},{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/beteccontrols.nl\/en\/wp-json\/wp\/v2\/product_brand?post=43210"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/beteccontrols.nl\/en\/wp-json\/wp\/v2\/product_cat?post=43210"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/beteccontrols.nl\/en\/wp-json\/wp\/v2\/product_tag?post=43210"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}