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Headquarters Canada
Beckhoff Automation Ltd.

4 Schiedel Court, Unit 1-3
Cambridge ON N3C 0H1, Canada

+1 226-765-7700
www.beckhoff.com/en-ca/

KL2798 | Bus Terminal, 8-channel solid state relay output, 30 V AC, 48 V DC, 2 A, potential-free

KL2798 | Bus Terminal, 8-channel solid state relay output, 30 V AC, 48 V DC, 2 A, potential-free

KL2798 | Bus Terminal, 8-channel solid state relay output, 30 V AC, 48 V DC, 2 A, potential-free

Signal LEDs
1…8
Power contact
+24 V
Power contact 0 V
Output 1
Output 2
Output 3
Output 4
Output 5
Output 6
Output 7
Output 8
Output 1'
Output 2'
Output 3'
Output 4'
Output 5'
Output 6'
Output 7'
Output 8'
Top view 
Contact assembly 
KL2798 | Bus Terminal, 8-channel solid state relay output, 30 V AC, 48 V DC, 2 A, potential-free

KL2798 | Bus Terminal, 8-channel solid state relay output, 30 V AC, 48 V DC, 2 A, potential-free

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 dataKL2798
Connection technology2-wire
Number of outputs8 x make contacts
Max. output current2 A per channel (∑ 10 A)
Breakdown voltage80 V
Peak current5 A (100 ms), < 50 A (10 ms)
Short-circuit currentnot short-circuit proof, see peak current
Reverse voltage protection
Isolation voltage (channel/channel)< 200 V
Electrical isolation500 V (K-bus/field potential)
Switching on speedtyp. 1.8 ms, max. 5 ms
Switching off speedtyp. 30 ms, max. 50 ms
On-resistancetyp. 0.03 Ω
Current consumption power contacts
Current consumption K-bus80 mA
Bit width in the process image8 outputs
Special featuressubstitute for relay contacts, potential-free
Operating/storage temperature0…+55°C/-25…+85°C
Relative humidity95%, no condensation
Vibration/shock resistanceconforms to EN 60068-2-6/EN 60068-2-27
EMC immunity/emissionconforms to EN 61000-6-2/EN 61000-6-4
Protect. rating/installation pos.IP20/variable
Approvals/markingsCE, UL
Housing dataHD housing
Design formHD (High Density) housing with signal LEDs
Materialpolycarbonate
Dimensions (W x H x D)12 mm x 100 mm x 68 mm
Installationon 35 mm DIN rail, conforming to EN 60715 with lock
Side by side mounting by means ofdouble slot and key connection
Marking
Wiringsolid conductors (s): direct plug-in technique; fine-stranded conductors (st) and ferrule (f): spring actuation by screwdriver
Connection cross-sections*: 0.08…1.5 mm²,
st*: 0.25…1.5 mm²,
f*: 0.14…0.75 mm²
Stripping length8…9 mm

*s: solid wire; st: stranded wire; f: with ferrule

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