{"product_id":"beckhoff-el9222-4433-ethercat-terminal-2-channel-overcurrent-protection-module","title":"Beckhoff EL9222-4433 EtherCAT Terminal 2-Channel Overcurrent Protection Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eDesigned to safeguard critical 24 V DC control circuits within EtherCAT industrial networks, the \u003cstrong\u003eBeckhoff EL9222-4433\u003c\/strong\u003e provides precise electronic overcurrent protection for dual channels rated at \u003cstrong\u003e3 A\u003c\/strong\u003e each. Operating directly within the standard EtherCAT terminal segment, this module dynamically monitors load currents, offering rapid electronic shutdown in the event of an overload or short circuit, thereby limiting system downtime. It features integrated status LEDs and physical push-buttons on the housing for immediate channel-level diagnostics and manual reset capability, while feeding complete diagnostic telemetry back to the controller via the \u003cstrong\u003eE-bus\u003c\/strong\u003e interface.\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\u003eDual-Channel Monitoring:\u003c\/strong\u003e Two independent 24 V DC distribution paths, limiting maximum current to 3 A per channel.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHardware Redundancy:\u003c\/strong\u003e Integrated 4 A slow-blow fail-safe backup fuses provide hardware-level backup protection.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eE-Bus Telemetry:\u003c\/strong\u003e Seamless configuration, current monitoring, and diagnostic reporting directly through TwinCAT.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLocal Interactivity:\u003c\/strong\u003e Dedicated LED push-buttons on the terminal face allow for direct manual reset and instant physical status feedback.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Packing Density:\u003c\/strong\u003e Compact 12 mm modular housing width minimizes DIN-rail footprint in control panels.\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\u003eSensor\/Actuator Power Distribution:\u003c\/strong\u003e Safe current-limited supply routing for decentralized field sensors and valve terminals.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eControl Cabinet Sub-Circuit Protection:\u003c\/strong\u003e Isolation of critical low-voltage hardware to prevent system-wide voltage collapses during single-point field faults.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEtherCAT Segment Protection:\u003c\/strong\u003e Protection of downstream auxiliary power contacts across I\/O nodes.\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; border: 1px solid #e2e8f0;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #cbd5e0;\"\u003e\n        \u003cth style=\"padding: 0.75rem; text-align: left; font-weight: bold; border: 1px solid #e2e8f0;\"\u003eParameter\u003c\/th\u003e\n        \u003cth style=\"padding: 0.75rem; text-align: left; font-weight: bold; border: 1px solid #e2e8f0;\"\u003eSpecification\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 0.75rem; border: 1px solid #e2e8f0; font-weight: bold;\"\u003eManufacturer\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem; border: 1px solid #e2e8f0;\"\u003eBeckhoff\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 0.75rem; border: 1px solid #e2e8f0; font-weight: bold;\"\u003eModel \/ Article Number\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem; border: 1px solid #e2e8f0;\"\u003eEL9222-4433\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 0.75rem; border: 1px solid #e2e8f0; font-weight: bold;\"\u003eNominal Operating Voltage\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem; border: 1px solid #e2e8f0;\"\u003e24 V DC\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 0.75rem; border: 1px solid #e2e8f0; font-weight: bold;\"\u003eNumber of Channels\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem; border: 1px solid #e2e8f0;\"\u003e2\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 0.75rem; border: 1px solid #e2e8f0; font-weight: bold;\"\u003eRated Current\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem; border: 1px solid #e2e8f0;\"\u003e3 A per channel\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 0.75rem; border: 1px solid #e2e8f0; font-weight: bold;\"\u003eMax. Input Supply Current\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem; border: 1px solid #e2e8f0;\"\u003e10 A\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 0.75rem; border: 1px solid #e2e8f0; font-weight: bold;\"\u003eCurrent Consumption (E-bus)\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem; border: 1px solid #e2e8f0;\"\u003e80 mA typical\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 0.75rem; border: 1px solid #e2e8f0; font-weight: bold;\"\u003eElectrical Isolation\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem; border: 1px solid #e2e8f0;\"\u003e500 V (E-bus to signal voltage)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 0.75rem; border: 1px solid #e2e8f0; font-weight: bold;\"\u003eBackup Fail-Safe Element\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem; border: 1px solid #e2e8f0;\"\u003e4 A slow-blow (T) \/ 4 A slow-blow (T)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 0.75rem; border: 1px solid #e2e8f0; font-weight: bold;\"\u003eOvervoltage Cut-off\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem; border: 1px solid #e2e8f0;\"\u003e\u0026gt;= 32 V DC\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 0.75rem; border: 1px solid #e2e8f0; font-weight: bold;\"\u003eHold After Trip-Out\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem; border: 1px solid #e2e8f0;\"\u003e\u0026gt;= 10 s\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 0.75rem; border: 1px solid #e2e8f0; font-weight: bold;\"\u003eAdvance Load Warning Threshold\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem; border: 1px solid #e2e8f0;\"\u003e90 percent of rated channel load\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 0.75rem; border: 1px solid #e2e8f0; font-weight: bold;\"\u003eOperating Temperature\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem; border: 1px solid #e2e8f0;\"\u003e0 to 55 degC\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 0.75rem; border: 1px solid #e2e8f0; font-weight: bold;\"\u003eStorage Temperature\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem; border: 1px solid #e2e8f0;\"\u003e-25 to 85 degC\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 0.75rem; border: 1px solid #e2e8f0; font-weight: bold;\"\u003eEnclosure Protection Rating\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem; border: 1px solid #e2e8f0;\"\u003eIP20\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 0.75rem; border: 1px solid #e2e8f0; font-weight: bold;\"\u003eHousing Material\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem; border: 1px solid #e2e8f0;\"\u003ePolycarbonate\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 0.75rem; border: 1px solid #e2e8f0; font-weight: bold;\"\u003ePhysical Dimensions (W x H x D)\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem; border: 1px solid #e2e8f0;\"\u003e12 mm x 100 mm x 68 mm\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 0.75rem; border: 1px solid #e2e8f0; font-weight: bold;\"\u003eNet Weight\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem; border: 1px solid #e2e8f0;\"\u003e55 g\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 0.75rem; border: 1px solid #e2e8f0; font-weight: bold;\"\u003eShipping Weight (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem; border: 1px solid #e2e8f0;\"\u003e2.0 kg\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 0.75rem; border: 1px solid #e2e8f0; font-weight: bold;\"\u003eCertifications and Approvals\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem; border: 1px solid #e2e8f0;\"\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\u003eConnections \u0026amp; Interface Terminal Guide\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; border: 1px solid #e2e8f0;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #cbd5e0;\"\u003e\n        \u003cth style=\"padding: 0.75rem; text-align: left; font-weight: bold; border: 1px solid #e2e8f0;\"\u003eTerminal Contact\u003c\/th\u003e\n        \u003cth style=\"padding: 0.75rem; text-align: left; font-weight: bold; border: 1px solid #e2e8f0;\"\u003eWiring Specifications \u0026amp; Signal Mapping\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 0.75rem; border: 1px solid #e2e8f0; font-weight: bold;\"\u003eSolid Conductor Range\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem; border: 1px solid #e2e8f0;\"\u003e0.08 to 2.5 mm² (AWG 28 to 14) via screwdriver spring actuation\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 0.75rem; border: 1px solid #e2e8f0; font-weight: bold;\"\u003eStranded Conductor Range\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem; border: 1px solid #e2e8f0;\"\u003e0.08 to 2.5 mm² (AWG 28 to 14)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 0.75rem; border: 1px solid #e2e8f0; font-weight: bold;\"\u003eConductor with Ferrule (f)\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem; border: 1px solid #e2e8f0;\"\u003e0.14 to 1.5 mm² (AWG 26 to 16)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 0.75rem; border: 1px solid #e2e8f0; font-weight: bold;\"\u003eStripping Depth\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem; border: 1px solid #e2e8f0;\"\u003e8 to 9 mm\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 0.75rem; border: 1px solid #e2e8f0; font-weight: bold;\"\u003ePower Contact Rating\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem; border: 1px solid #e2e8f0;\"\u003eImax: 10 A (Output 1 utilizes internal power contact path)\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\u003ch4\u003eAlternative Models \u0026amp; Compatibility\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThe EL9222-4433 is optimized for 3 A fixed current limits per channel. For variable current configurations, look to the adjustable EtherCAT terminals (such as the EL9224). When inserting this module into an existing I\/O stack, ensure that your TwinCAT EtherCAT XML Device Description (ESI) files are updated to match the specific firmware revision. If replacing an older EL9222-0000, verify that your E-bus current budget can handle the 80 mA load of the EL9222-4433.\u003c\/p\u003e\n\n\u003ch4\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThe absolute maximum capacity of the power contact rail is 10 A. Continuous heavy loads across multiple downstream modules must be calculated to prevent overload of the power contacts. If your segment exceeds 10 A total, you must insert an EL9100 or EL9110 power feed terminal directly upstream to segment the power contacts and prevent local terminal overheating.\u003c\/p\u003e\n\n\u003ch4\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eTo avoid intermittent faults, adhere strictly to the 8 to 9 mm stripping length. Under-stripping causes insecure mechanical tension clamp engagement, while over-stripping risks exposing bare wire to adjacent, closely-spaced terminals. When commissioning from TwinCAT, remember to map the CoE (CanOverEtherCAT) objects to read historical trip data and clear fault states remotely.\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;\"\u003e\n  \u003cp style=\"margin: 0; font-weight: bold; color: #9b2c2c;\"\u003eCRITICAL WARNING:\u003c\/p\u003e\n  \u003cp style=\"margin: 0.5rem 0 0 0; color: #9b2c2c;\"\u003eDe-energize the entire segment and isolate all 24 V DC power feeds before installing or removing the overcurrent protection terminal. Failure to do so may damage the E-bus connection pins, disrupt network communications, or lead to accidental arc discharges across adjacent contacts.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; flex-direction: column; gap: 1rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"display: flex; align-items: center; justify-content: center; background-color: #2b6cb0; color: #ffffff; width: 2rem; height: 2rem; border-radius: 50%; flex-shrink: 0; font-weight: bold;\"\u003e1\u003c\/div\u003e\n    \u003cdiv style=\"color: #2d3748;\"\u003eAlign the EL9222-4433 terminal with the 35 mm DIN rail (conforming to EN 60715) alongside the existing EtherCAT segment. Ensure the slot and key guides line up correctly.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"display: flex; align-items: center; justify-content: center; background-color: #2b6cb0; color: #ffffff; width: 2rem; height: 2rem; border-radius: 50%; flex-shrink: 0; font-weight: bold;\"\u003e2\u003c\/div\u003e\n    \u003cdiv style=\"color: #2d3748;\"\u003ePress the terminal firmly onto the DIN rail until you hear the locking latch snap into position, securing the E-bus connections.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"display: flex; align-items: center; justify-content: center; background-color: #2b6cb0; color: #ffffff; width: 2rem; height: 2rem; border-radius: 50%; flex-shrink: 0; font-weight: bold;\"\u003e3\u003c\/div\u003e\n    \u003cdiv style=\"color: #2d3748;\"\u003eUsing a standard terminal screwdriver, actuate the spring-actuated clamp connections to insert conductors stripped to 8-9 mm. Re-verify the wire cross-section conforms to AWG 28-14 (solid\/stranded) or AWG 26-16 (ferrule).\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"display: flex; align-items: center; justify-content: center; background-color: #2b6cb0; color: #ffffff; width: 2rem; height: 2rem; border-radius: 50%; flex-shrink: 0; font-weight: bold;\"\u003e4\u003c\/div\u003e\n    \u003cdiv style=\"color: #2d3748;\"\u003eApply 24 V DC control power, boot the TwinCAT system, and verify that the front status LEDs illuminate green, indicating normal channel conditions.\u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"BECKHOFF","offers":[{"title":"Default Title","offer_id":53106578129259,"sku":"EL9222-4433","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/el9222-4433-m3cbvsa1fli.png?v=1776244582","url":"https:\/\/www.plcprotech.com\/fa\/products\/beckhoff-el9222-4433-ethercat-terminal-2-channel-overcurrent-protection-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}