{"product_id":"general-electric-multilin-ur-4dh-digital-i-o-module","title":"General Electric Multilin UR 4DH Digital I\/O Module","description":"\u003cp\u003eThe General Electric Multilin UR 4DH is a high-performance digital input\/output module designed for the Universal Relay (UR) platform. This module significantly expands the relay's capability to interface with field devices, providing essential monitoring, control, and protection functions for complex power system architectures.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDesigned specifically for the GE Multilin UR Series relay platform.\u003c\/li\u003e\n\u003cli\u003eSupports high-density digital I\/O configurations for comprehensive substation automation.\u003c\/li\u003e\n\u003cli\u003eFlexible output options including Form-A, Form-C, fast-operating contacts, and solid-state relay (SSR) variants.\u003c\/li\u003e\n\u003cli\u003eIntegrated diagnostic capabilities for circuit continuity monitoring and current detection.\u003c\/li\u003e\n\u003cli\u003eRobust design suitable for demanding utility and industrial environments.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eProtection and control for large generators, including steam, gas, and hydro turbines.\u003c\/li\u003e\n\u003cli\u003eMonitoring and protection for high-horsepower industrial motors and pumps.\u003c\/li\u003e\n\u003cli\u003ePrimary and backup protection for power transformers and distribution systems.\u003c\/li\u003e\n\u003cli\u003eComplex busbar protection for low-voltage to extra-high-voltage switchgear.\u003c\/li\u003e\n\u003cli\u003eControl and stability management for capacitor banks.\u003c\/li\u003e\n\u003cli\u003eElectrical protection for oil and gas infrastructure and mining operations.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eUR 4DH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eGeneral Electric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eDigital I\/O Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDigital Inputs\u003c\/td\u003e\n\u003ctd\u003e16 (expandable per relay configuration)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage Range\u003c\/td\u003e\n\u003ctd\u003e24V DC to 250V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Current Rating\u003c\/td\u003e\n\u003ctd\u003e5 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResponse Time\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 10 ms (state changes)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 degC to +70 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 degC to +85 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity\u003c\/td\u003e\n\u003ctd\u003e5% to 95% non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure the main UR relay is powered down before attempting to insert or remove modules.\u003c\/li\u003e\n\u003cli\u003eAccess the internal module slots by loosening the screw on the hinged faceplate of the relay.\u003c\/li\u003e\n\u003cli\u003eApply steady pressure to the push pins to slide the module into the designated slot; ensure it is fully seated.\u003c\/li\u003e\n\u003cli\u003eWire digital inputs and outputs according to the specific wiring diagram provided in your relay's technical manual.\u003c\/li\u003e\n\u003cli\u003eMaintain proper grounding practices and ensure shielded cabling is used for signal integrity in high-EMI environments.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch3\u003eWhat is the primary function of the UR 4DH?\u003c\/h3\u003e\u003cp\u003eThe UR 4DH serves as a digital I\/O expansion module for the GE Multilin UR series, allowing the relay to interface with up to 96 inputs and 64 outputs for protection, interlocking, and control tasks.\u003c\/p\u003e\u003ch3\u003eAre the outputs configurable?\u003c\/h3\u003e\u003cp\u003eYes, the module supports various output types, including Form-A, Form-C, fast-operating contacts, and solid-state relays (SSR) to accommodate specific application requirements.\u003c\/p\u003e\u003ch3\u003eWhat is the response time for the outputs?\u003c\/h3\u003e\u003cp\u003eForm-A outputs feature activation speeds of less than 4 milliseconds, providing high-speed tripping capabilities.\u003c\/p\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":51008852361468,"sku":"UR 4DH","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_d05c8df8-d5e5-454d-aac9-909848fd41df.jpg?v=1787590003","url":"https:\/\/www.electronicplc.com\/ar\/products\/general-electric-multilin-ur-4dh-digital-i-o-module","provider":"Electronic PLC","version":"1.0","type":"link"}