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KL2784 | Bus Terminal, 4-channel solid state relay output, 30 V AC, 48 V DC, 2 A

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KL2784 | Bus Terminal, 4-channel solid state relay output, 30 V AC, 48 V DC, 2 A

KL2784 | Bus Terminal, 4-channel solid state relay output, 30 V AC, 48 V DC, 2 A

Signal LED 1
Signal LED 3
Signal LED 2
Signal LED 4
Power contact
+24 V
Power contact 0 V
Output 1
Output 3
Output 2
0 V
0 V
Output 4
Top view 
Contact assembly 
KL2784 | Bus Terminal, 4-channel solid state relay output, 30 V AC, 48 V DC, 2 A

KL2784 | Bus Terminal, 4-channel solid state relay output, 30 V AC, 48 V DC, 2 A

KL2784 | Bus Terminal, 4-channel solid state relay output, 30 V AC, 48 V DC, 2 A

The digital KL2784 Bus Terminal provides four 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

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Technical dataKL2784
Connection technology2-wire
Number of outputs4 x make contacts
Nominal voltage0…30 V AC/DC (ohmic load only: 0…48 V DC)
Max. output current2 A per channel
Breakdown voltage80 V
Peak current5 A (100 ms), < 50 A (10 ms)
Short-circuit currentnot short-circuit proof, see peak current
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 K-bus80 mA
Bit width in the process image4 outputs
Special featuresalternative for relay contacts
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
Pluggable wiringfor all KSxxxx Bus Terminals
Approvals/markingsCE, UL, ATEX, IECEx
Ex markingATEX:
II 3 G Ex ec IIC T4 Gc
IECEx:
Ex ec IIC T4 Gc
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Housing dataKL-12-8pinKS-12-8pin
Design formcompact terminal housing with signal LEDsterminal housing with pluggable wiring level
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
Markinglabeling of the BZxxx series
Wiringsolid conductor (s), flexible conductor (st) and ferrule (f): spring actuation by screwdriver
Connection cross-sections*: 0.08…2.5 mm²,
st*: 0.08…2.5 mm²,
f*: 0.14…1.5 mm²		s*: 0.08…1.5 mm²,
st*: 0.08…1.5 mm²,
f*: 0.14…1.5 mm²
Connection cross-section AWGs*: AWG28…14,
st*: AWG28…14,
f*: AWG26…16		s*: AWG28…16,
st*: AWG28…16,
f*: AWG26…16
Stripping length8…9 mm9…10 mm
Current load power contactsImax: 10 A

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

Ordering information
KL2784Bus Terminal, 4-channel solid state relay output, 30 V AC, 48 V DC, 2 A
KS2784Bus Terminal, 4-channel solid state relay output, 30 V AC, 48 V DC, 2 A, pluggable wiring

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