{"id":711,"date":"2017-11-21T16:50:12","date_gmt":"2017-11-21T15:50:12","guid":{"rendered":"http:\/\/dev.thermokey.it\/?p=711"},"modified":"2023-03-09T12:10:34","modified_gmt":"2023-03-09T11:10:34","slug":"g-step-fan-speed-controller","status":"publish","type":"post","link":"https:\/\/www.thermokey.com\/en\/accessories\/g-step-fan-speed-controller\/","title":{"rendered":"G \u2013 STEP FAN SPEED CONTROLLER (on demand)"},"content":{"rendered":"<section class=\"wpb-content-wrapper\"><!DOCTYPE html PUBLIC \"-\/\/W3C\/\/DTD HTML 4.0 Transitional\/\/EN\" \"http:\/\/www.w3.org\/TR\/REC-html40\/loose.dtd\">\n<html><body><p>[vc_row][vc_column][vc_column_text]Controller G is an electronic three-phase control unit designed according to the voltage step technology for accurate regulation, totally free of sound, electrical and electromagnetic disturbance.<\/p>\n<p>Thanks to this type of controller, effective voltage fed to the motor fitted in the fan varies according to fixed values that are determined by the steps featured in the auto-transformer and in the asynchronous motor.<\/p>\n<p>In this way, regulation is perfectly sinusoidal (constant frequency) and can be applied to motors without requiring shielded cables and EMC or LHC filters for motor protection against microwaves.<\/p>\n<p>There are 6 voltage steps (400-265-190-140-95-65 VAC to the fans).<\/p>\n<p>This regulator allows a substantial energy saving using up to 60% of the fan air flow (mc\/h) only with 30% of power consumption of the motor.[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text css=&rdquo;.vc_custom_1511279648636{padding-top: 50px !important;padding-bottom: 10px !important;}&rdquo;]<strong>TECHNICAL DATA<\/strong>[\/vc_column_text][vc_column_text]Three-phases power supply: 3ph+PE 400Vac &plusmn; 10 % &ndash; 50 \/ 60Hz normalized<br>\nAvailable controller-sizes: 8A, 16A, 20A, 30A<br>\nWorking temperatures -10&deg;C &divide; 50&deg;C<br>\nJunction box in thermoplastic UV protected material with protection class IP55<br>\nNo sound level increase while regulator is working<br>\n4 or 6 default steps with external transformer<br>\nInput by external signal or transducer: 0-20mA, 4-20mA, 0-5V, 0-10V<br>\nRS485 Interface for MODBUS networking<br>\nPossibility of connection for temperature probes (default) or pressure probes<br>\nAuxiliary contacts available:<\/p>\n<ul>\n<li>S1: direct function (default with contact NO) &ndash; reverse (contact NC)<\/li>\n<li>SP: Selection set point 1 o 2 (default SP1 with contact NO,SP2 with contact NC)<\/li>\n<li>S5: Night speed limitation (default OFF with contact NO, ON with contact NC)<\/li>\n<li>S2: ON &ndash; OFF speed control (default ON with contact NO, OFF with contact NC)<\/li>\n<li>TK: contact for the connection of the thermal motor protection (default FANS ON with contact NC, FANS OFF with contact NO)<\/li>\n<\/ul>\n<p>RL1 relay contact of general alarm programmable<br>\nPrinciple of PID regulation. Optional Proportional mode<br>\nSetting Min and Max fan-speed<br>\nDisplay for main working parameters<br>\nLed for power supply fault<br>\nLed for motor anomalies<br>\nLed for controller faults<br>\nLed for indicating special functions[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/body><\/html>\n<\/section>","protected":false},"excerpt":{"rendered":"<p>[vc_row][vc_column][vc_column_text]Controller G is an electronic three-phase control unit designed according to the voltage step technology for accurate regulation, totally free of sound, electrical and electromagnetic disturbance. Thanks to this type of controller, effective voltage fed to the motor fitted in the fan varies according to fixed values that are determined by the steps featured in [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":713,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"single-products.php","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[39],"tags":[],"class_list":["post-711","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-accessories"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>G \u2013 STEP FAN SPEED CONTROLLER (on demand) - Thermokey<\/title>\n<meta name=\"description\" content=\"Controller G is an electronic three-phase control unit designed according to the voltage step technology for accurate regulation electrical and electromagnetic disturbance.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.thermokey.com\/en\/accessories\/g-step-fan-speed-controller\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"G \u2013 STEP FAN SPEED CONTROLLER (on demand) - 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