Maintenance teams planning replacements for EL2809 frequently review Beckhoff El9410, El9550 Beckhoff and Beckhoff El9100 to prevent downtime, checking availability and compatibility with existing systems.
EL2809 - Beckhoff EtherCAT Terminal
The Beckhoff EtherCAT Terminal EL2809 is a 16-channel digital output module for 24 V DC systems, ensuring fast, safe, and efficient signal switching in automation networks.

| Brand | Beckhoff |
| Product Type | EtherCAT Terminal |
| Product | EL2809 |
EL2809 Beckhoff EtherCAT Terminal Technical Specifications
| Specification | Value |
|---|---|
| Connection technology | 1-wire |
| Nominal voltage | 24 V DC (-15%/+20%) |
| Current consumption power contacts | typ. 35 mA + load |
| Current consumption E-bus | typ. 140 mA |
| Electrical isolation | 500 V (E-bus/field potential) |
| Configuration | no address or configuration setting |
| Weight | approx. 70 g |
| Operating temperature | -25…+60°C |
| Storage temperature | -40…+85°C |
| Relative humidity | 95%, no condensation |
| Vibration/shock resistance | conforms to EN 60068-2-6/EN 60068-2-27 |
| EMC immunity/emission | conforms to EN 61000-6-2/EN 61000-6-4 |
| Protect. rating/installation pos. | IP20/variable |
| Approvals/markings | CE, CCC, UL, ATEX, IECEx, DNV GL, cFMus |
| Ex marking | ATEX:II 3 G Ex ec IIC T4 GcIECEx:Ex ec IIC T4 GccFMus:Class I, Division 2, Groups A, B, C, DClass I, Zone 2, AEx ec IIC T4 Gc |
| Housing - Design form | HD (High Density) housing with signal LEDs |
| Housing - Material | polycarbonate |
| Housing - Dimensions (W x H x D) | 12Â mm x 100Â mm x 68 mm |
| Housing - Installation | on 35 mm DIN rail, conforming to EN 60715 with lock |
| Housing - Side by side mounting by means of | double slot and key connection |
| Housing - Marking | labeling of the BZxxxx series |
| Housing - Wiring | solid conductors (s): direct plug-in technique; fine-stranded conductors (st) and ferrule (f): spring actuation by screwdriver |
| Housing - Connection cross-section | s*: 0.08â¦1.5 mm²,st*: 0.25â¦1.5 mm²,f*: 0.14â¦0.75 mm² |
| Housing - Connection cross-section AWG | s*: AWG28...16,st*: AWG22...16,f*: AWG26...19 |
| Housing - Stripping length | 8…9 mm |
| Housing - Current load power contacts | Imax: 10 A |
| Bit width in the process image | 16 outputs |
| Short-circuit current | typ. < 2 A |
| Load type | ohmic, inductive, lamp load |
| Max. output current | 0.5 A (short-circuit proof) per channel |
| Reverse voltage protection | yes |
| Breaking energy | < 150 mJ/channel |
| Switching times | typ. TON: 60 µs, typ. TOFF: 300 µs |
The Beckhoff EtherCAT Terminal EL2809 is engineered with 16 digital outputs using 1-wire connection technology, optimized for high-density applications. Operating at a nominal 24 V DC, each channel supports up to 0.5 A output current, with short-circuit protection, reverse voltage protection, and breaking energy below 150 mJ per channel. With switching times of 60 µs (TON) and 300 µs (TOFF), the EL2809 EtherCAT Terminal offers reliable and fast response for industrial automation. Safety and durability are enhanced with 500 V electrical isolation, 140 mA E-bus current draw, and 35 mA consumption from power contacts. The module comes in a compact polycarbonate housing, features IP20 protection, and is certified under CE, UL, ATEX, IECEx, DNV GL, and CCC, ensuring compliance with global standards.
The Beckhoff EL2809 EtherCAT Terminal is widely used in machine automation, packaging lines, conveyor systems, and lighting control. Its ability to switch ohmic, inductive, and lamp loads makes it a versatile solution across industries. Maintenance engineers value the direct plug-in wiring for solid conductors and spring-actuated terminals for flexible conductors, simplifying installation. System integrators benefit from its seamless EtherCAT compatibility, enabling synchronized and precise output control in distributed systems. Signal LEDs further support quick diagnostics, reducing downtime and improving reliability in operation.
Trusted across industries such as automotive, electronics, food processing, and logistics, the Beckhoff EtherCAT Terminal EL2809 delivers long-term reliability, energy efficiency, and robust performance. Its high channel density, protective features, and strong certifications make it a dependable choice for engineers seeking efficiency and safety in advanced automation projects.







