The digital KL2798 Bus Terminal provides eight switches that can be used like a relay contact for AC/DC voltages. The electronic switch is realized through high-performance MOSFET transistors with low switch-on resistance. The switch itself is not short-circuit proof, but due to its high pulse current capability it can cope with current until an external fuse triggers a switch-off.
Wear resistance increases the availability of the application. Resistive and inductive loads can be switched up to a rated voltage of 30 V AC/DC, completely resistive loads also up to a rated voltage of 48 V DC.
High peak voltages and electromagnetic interference pulses are prevented.
Product status:
regular delivery
Product information
| Technical data | KL2798 | 
|---|---|
| Connection technology | 2-wire | 
| Number of outputs | 8 x make contacts | 
| Max. output current | 2 A per channel (∑ 10 A) | 
| Breakdown voltage | 80 V | 
| Peak current | 5 A (100 ms), < 50 A (10 ms) | 
| Short-circuit current | not short-circuit proof, see peak current | 
| Reverse voltage protection | – | 
| Isolation voltage (channel/channel) | < 200 V | 
| Electrical isolation | 500 V (K-bus/field potential) | 
| Switching on speed | typ. 1.8 ms, max. 5 ms | 
| Switching off speed | typ. 30 ms, max. 50 ms | 
| On-resistance | typ. 0.03 Ω | 
| Current consumption power contacts | – | 
| Current consumption K-bus | 80 mA | 
| Bit width in the process image | 8 outputs | 
| Special features | substitute for relay contacts, potential-free | 
| 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, UL | 
| Housing data | HD housing | 
|---|---|
| Design form | HD (High Density) housing with signal LEDs | 
| Material | polycarbonate | 
| Installation | on 35 mm DIN rail, conforming to EN 60715 with lock | 
| Side by side mounting by means of | double slot and key connection | 
| Marking | – | 
| Wiring | solid conductors (s): direct plug-in technique; fine-stranded conductors (st) and ferrule (f): spring actuation by screwdriver | 
| Connection cross-section | s*: 0.08…1.5 mm²,  st*: 0.25…1.5 mm², f*: 0.14…0.75 mm²  | 
| Stripping length | 8…9 mm | 
| Dimensions (W x H x D) | 12 mm x 100 mm x 68 mm | 
*s: solid wire; st: stranded wire; f: with ferrule
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