{"product_id":"danfoss-080g5300-eke-1a-superheat-controller","title":"Contrôleur de surchauffe EKE 1A Danfoss 080G5300","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e080G5300 (EKE 1A)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-performance superheat controller from the Danfoss EKE series, specifically engineered to manage electronic expansion valves (EEVs) with precision. By accurately calculating and maintaining optimal superheat levels, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e080G5300\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eprotects compressors against liquid slugging and ensures maximum evaporator efficiency. This DIN-rail mounted controller is a critical component for chillers, heat pumps, and commercial refrigeration units. Its ability to share signals via hardwire and operate on a shared power supply makes it an exceptionally cost-effective and space-efficient solution for multi-circuit systems requiring reliable thermal management.\u003c\/p\u003e\n\u003ch3\u003eTechnical Configuration\u003c\/h3\u003e\n\u003cp\u003eThe EKE 1A is designed for seamless integration into advanced HVAC-R control architectures, focusing on input flexibility and communication.\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSensing Capabilities:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSupports a dual-input configuration specifically for superheat calculation, utilizing one ratiometric pressure sensor (0.5 to 4 V DC) and one temperature sensor.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eControl Interface:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWhile the unit features no front display, it supports the MMIGRS2 external user interface via an RJ11 (CAN) communication port for local monitoring and parameter adjustment.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eI\/O Logic:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEquipped with 3 digital inputs and 1 digital output, allowing for remote start\/stop functionality and alarm signaling to the main plant controller.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePower Reliability:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eOperates on 24 V AC\/DC and includes a battery back-up input (18 to 24 V DC), ensuring the expansion valve can be safely closed during a sudden power failure to protect the system.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation Efficiency:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDesigned for standard DIN rail mounting, the compact 0.132 kg unit fits easily into dense electrical enclosures.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eEKE 1A\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDanfoss\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e080G5300\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e24 V AC \/ 24 V DC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBattery Back-up\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e18 - 24 V DC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePressure Sensor Support\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRatiometric (0.5 - 4 V DC)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCommunication\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRJ11 (CAN)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDigital Inputs\/Outputs\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3 DI \/ 1 DO\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDIN Rail\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNet Weight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.132 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eShipping Weight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1.5 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical FAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the EKE 1A protect the compressor during a power outage?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e080G5300\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efeatures dedicated battery back-up terminals (18 - 24 V DC). In the event of a primary power loss, the controller utilizes the stored energy to drive the electronic expansion valve to a fully closed position, preventing refrigerant migration and liquid slugging upon restart.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I monitor the superheat value without a built-in display?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. Although there is no front-facing display, the unit is fully compatible with the Danfoss MMIGRS2 remote display. By connecting it to the RJ11 (CAN) port, operators can perform real-time diagnostics, view active superheat levels, and adjust setpoints.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the \"Shared Power Supply\" feature mentioned in the documentation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis indicates the controller is designed to operate on a common power bus with other EKE units or sensors. It simplifies cabinet wiring and reduces the number of individual power transformers required in multi-evaporator systems.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eEngineering \u0026amp; Installation Guide\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePressure Sensor Calibration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e080G5300\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis optimized for ratiometric pressure sensors with an output of 0.5 to 4 V DC. Ensure the sensor’s pressure range is correctly mapped in the controller parameters to avoid inaccurate superheat calculations that could lead to evaporator starvation or compressor flooding.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWiring for Battery Back-up:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFor mission-critical refrigeration, always connect a 24 V DC battery or UPS to the back-up terminals. Verify that the battery voltage remains within the 18 to 24 V DC window. Use a minimum of 0.75 mm2 wire for power connections to ensure sufficient current delivery during valve closure cycles.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSignal Shielding:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eTo maintain the integrity of the analog inputs from the temperature and pressure sensors, use shielded cables grounded at the controller side. This is vital in environments with high electromagnetic interference from nearby variable frequency drives (VFDs) or large contactors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Danfoss","offers":[{"title":"Default Title","offer_id":53102414561643,"sku":"080G5300","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/080g5300-xewrnapwtq3.png?v=1776136975","url":"https:\/\/www.plcprotech.com\/fr\/products\/danfoss-080g5300-eke-1a-superheat-controller","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}