Before procurement teams confirm KL1859, they typically review Kl2134 Beckhoff, Kl4032 Beckhoff and Kl1501 Beckhoff to double-check performance ratings, stock availability, and supplier credibility carefully.
KL1859 - Beckhoff Bus Terminal Digital Input
KL1859 Beckhoff Bus Terminal Digital Input Technical Specifications

| Brand | Beckhoff |
| Product Type | Bus Terminal Digital Input |
| Product | KL1859 |
KL1859 Beckhoff Bus Terminal Digital Input Technical Specifications
| Specification | Value |
|---|---|
| Connection technology | 1-wire |
| Specification | EN 61131-2, type 1/3 |
| 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 filter | typ. 3.0 ms |
| Input current | typ. 3 mA (EN 61131-2, type 3) |
| Current consumption K-bus | typ. 25 mA |
| Bit width in the process image | 8 inputs + 8 outputs |
| Configuration | no address or configuration setting |
| 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 (see documentation) |
| Approvals/markings | CE, CCC, UL, ATEX, IECEx, DNV GL |
| Ex marking | ATEX:II 3 G Ex ec IIC T4 GcIECEx:Ex 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 | â |
| 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*: 0.08...2.5 mm²,st*: 0.08...2.5 mm²,f*: 0.14...1.5 mm² |
| Housing - Connection cross-section AWG | s*: AWG28...14,st*: AWG28...14,f*: AWG26...16 |
| Housing - Stripping length | 8...9 mm |
| Current consumption power contacts | typ. 15 mA + load |
| Max. output current | 0.5 A (per channel) |
| Number of channels | 8 inputs + 8 outputs |
| Load type | ohmic, inductive, lamp load |







