During technical comparisons, EL1872 appears alongside Beckhoff El9410, El9550 Beckhoff and Beckhoff El2809 so engineers assess signal types, ingress protection, and ambient tolerances accurately.
EL1872 - Beckhoff EtherCAT Terminal
EL1872 Beckhoff EtherCAT Terminal Technical Specifications

| Brand | Beckhoff |
| Product Type | EtherCAT Terminal |
| Product | EL1872 |
EL1872 Beckhoff EtherCAT Terminal Technical Specifications
| Specification | Value |
|---|---|
| Connection technology | flat-ribbon cable |
| Specification | EN 61131-2, type 1/3 |
| Number of inputs | 16 |
| Nominal voltage | 24 V DC (-15%/+20%) |
| “0” signal voltage | -3..+5 V (EN 61131-2, type 1/3) |
| “1” signal voltage | 11...30 V (EN 61131-2, type 3) |
| Input current | typ. 3 mA (EN 61131-2, type 3) |
| Input filter | typ. 10 µs |
| Current consumption power contacts | 4 mA from the 24 V supply (no power contacts) |
| Current consumption E-bus | typ. 100 mA |
| Electrical isolation | 500 V (E-bus/field potential) |
| Configuration | no address or configuration setting |
| Special features | also available as ground switching |
| Weight | approx. 60 g |
| Operating temperature | 0…55°C |
| Storage temperature | -25…+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 |
| Ex marking | ATEX:II 3 G Ex ec IIC T4 GcIECEx:Ex ec IIC T4 Gc |
| Housing - Design form | compact terminal housing with signal LEDs |
| Housing - Material | polycarbonate |
| Housing - Dimensions (W x H x D) | 12 mm x 100 mm x 73 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 | flat-ribbon cable connection |
| Housing - Connection cross-section | common flat-ribbon cables, AWG28, spacing 1.27 mm |
| Housing - Connection cross-section AWG | AWG28 |
| Bit width in the process image | 16 inputs |
| Rated current | max. 1 A per connection pin |







