{"product_id":"beckhoff-el9227-5500-el-series-overcurrent-protection-terminal","title":"Beckhoff EL9227-5500 EL Series Overcurrent Protection Terminal","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eProviding precise circuit-level protection, the \u003cstrong\u003eBeckhoff EL9227-5500\u003c\/strong\u003e electronic overcurrent protection terminal distributes and monitors 24 V DC power across two channels within EtherCAT I\/O networks. This module integrates adjustable current limit settings, diagnostic pre-warnings, and physical LED status buttons, making it a critical component for safeguarding sensitive field sensors, actuators, and industrial controllers from localized electrical faults. By isolating individual overloaded channels, the terminal prevents system-wide voltage sags and maximizes total machinery uptime.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; margin-bottom: 1.5rem; padding-left: 1.5rem;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2-Channel Protection:\u003c\/strong\u003e Two independent 24 V DC channels with continuous monitoring and discrete electronic shutdown.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdjustable Current Ratings:\u003c\/strong\u003e Trip currents can be programmed from 1 A to 10 A in steps of 1 A, with a maximum combined sum current of 10 A.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntelligent Diagnostic Warnings:\u003c\/strong\u003e Configurable load warnings (50% to 100%) and low-voltage warnings (17 V to 24 V DC) prevent unexpected downtime.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHardware Redundancy:\u003c\/strong\u003e Dual integrated 15 A fail-safe fast fuses provide hardware-level backup protection on both channels.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnhanced Physical Interfaces:\u003c\/strong\u003e Features integrated LED diagnostic buttons on the front plate for direct manual control and quick local troubleshooting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; margin-bottom: 1.5rem; padding-left: 1.5rem;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eControl Cabinet Power Distribution:\u003c\/strong\u003e Safe division of 24 V DC main lines into branch circuits for PLC controllers, HMIs, and networking devices.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndustrial Sensor\/Actuator Protection:\u003c\/strong\u003e Segmented protection of field devices to prevent localized cable damage or shorts from collapsing the main power rail.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAutomated Assembly \u0026amp; Robotic Cells:\u003c\/strong\u003e Protects motion control auxiliary lines and safety circuits where temporary overloads may occur.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; width: 100%; margin-bottom: 1.5rem;\"\u003e\n  \u003ctable style=\"border-collapse: collapse; width: 100%; color: #2d3748;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #2b6cb0; text-align: left;\"\u003e\n        \u003cth style=\"padding: 10px; font-weight: bold;\"\u003eTechnical Parameter\u003c\/th\u003e\n        \u003cth style=\"padding: 10px; font-weight: bold;\"\u003eSpecification Value\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eManufacturer\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eBeckhoff\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eModel Number\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eEL9227-5500\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eNominal Operating Voltage\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e24 V DC\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eNumber of Channels\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e2 (Inputs: 2, Outputs: 2)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eRated Output Current\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eAdjustable 1 A to 10 A (in 1 A steps; max. sum 10 A)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eE-bus Current Consumption\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eTypically 80 mA\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eElectrical Isolation\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e500 V (E-bus \/ signal voltage)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eOvervoltage Power-off Threshold\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e\u0026gt;= 32 V DC\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eIntegrated Fail-Safe Element\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e15 A (F) per channel\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eOperating Temperature\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e0 to +55 degC\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eStorage Temperature\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e-25 to +85 degC\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eHousing Material\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003ePolycarbonate\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eDimensions (W x H x D)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e12 mm x 100 mm x 68 mm\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eConnection Cross-Section (Solid\/Stranded)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e0.08 to 2.5 mm² (AWG 28 to 14)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eConnection Cross-Section (with Ferrule)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e0.14 to 1.5 mm² (AWG 26 to 16)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eStripping Length\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e8 to 9 mm\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eApprovals and Markings\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eCE, cULus, cURus\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eEmpirical Engineering Insights\u003c\/h3\u003e\n\n\u003ch3\u003eAlternative Models \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThe EL9227-5500 differs from the basic EL9227 variants by offering extended configuration capabilities directly via the TwinCAT CoE (CoE directory) system. Standard EL9227 terminals typically use physical rotary switches or fixed parameters. In contrast, the EL9227-5500 allows dynamic adjustments of current steps and warning parameters over the EtherCAT backplane, which requires a corresponding up-to-date ESI (XML) device file inside TwinCAT.\u003c\/p\u003e\n\n\u003ch3\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eKeep in mind that the total sum of current through the power contacts must not exceed 10 A continuously. When installing multiple high-load EL9227-5500 terminals side-by-side, calculate the cumulative thermal profile inside the panel. In unventilated control boxes, operating at ambient temperatures near +55 degC can lower the thermal hold duration of the electronic switch-off, causing premature tripping at transient peak currents.\u003c\/p\u003e\n\n\u003ch3\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eUse standard spring-actuated terminations. For stranded wires, utilizing gas-tight crimped ferrules is highly recommended to prevent micro-arcs and transient resistance fluctuations. Ensure that the 24 V DC common negative rail (0 V) is bonded properly to the primary control cabinet ground to allow reliable detection of low-resistance earth faults.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cdiv style=\"background-color: #fff5f5; border-left: 4px solid #c53030; padding: 1rem; margin-bottom: 1.5rem; border-radius: 4px;\"\u003e\n  \u003cp style=\"margin: 0; color: #9b2c2c; font-weight: bold;\"\u003eCRITICAL WARNING:\u003c\/p\u003e\n  \u003cp style=\"margin: 0.5rem 0 0 0; color: #2d3748;\"\u003eRisk of arc flash and electrical damage. Isolate all 24 V DC field supply currents and disconnect the main AC\/DC control transformer prior to terminal insertion or extraction. Never insert or pull terminals under load.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n  \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 28px; height: 28px; display: flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 12px; flex-shrink: 0;\"\u003e1\u003c\/div\u003e\n  \u003cdiv style=\"color: #2d3748; padding-top: 2px;\"\u003eMount the terminal on a standard 35 mm DIN rail conforming to EN 60715, ensuring the locking slide is secure.\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n  \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 28px; height: 28px; display: flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 12px; flex-shrink: 0;\"\u003e2\u003c\/div\u003e\n  \u003cdiv style=\"color: #2d3748; padding-top: 2px;\"\u003eSlide the terminal adjacent to the existing EtherCAT terminals so that the lateral tongue-and-groove system and gold power contacts engage cleanly.\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n  \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 28px; height: 28px; display: flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 12px; flex-shrink: 0;\"\u003e3\u003c\/div\u003e\n  \u003cdiv style=\"color: #2d3748; padding-top: 2px;\"\u003eStrip field wiring cables to 8–9 mm. Depress the terminal spring mechanism with a small flathead screwdriver, insert the conductor, and release to lock.\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n  \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 28px; height: 28px; display: flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 12px; flex-shrink: 0;\"\u003e4\u003c\/div\u003e\n  \u003cdiv style=\"color: #2d3748; padding-top: 2px;\"\u003eEnergize the backplane, run TwinCAT System Manager, scan the EtherCAT box topology, and configure the CoE threshold parameters for output channels 1 and 2.\u003c\/div\u003e\n\u003c\/div\u003e","brand":"BECKHOFF","offers":[{"title":"Default Title","offer_id":53106584453483,"sku":"EL9227-5500","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/el9227-5500-3wb0feza04f.png?v=1776244587","url":"https:\/\/www.plcprotech.com\/ru\/products\/beckhoff-el9227-5500-el-series-overcurrent-protection-terminal","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}