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Beckhoff KL4428

Bus Terminal, 8-channel analog output, current, 4…20 mA, 12 bit, single-ended

MPN: KL4428
Category: KL4xxx | Analog output

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12-month warranty (new) · 3-month (used/refurbished)
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What is the Beckhoff KL4428?

The KL4428 analog output terminal generates signals in the range between 4 to 20 mA. The power is supplied to the process level with a resolution of 12 bits and is electrically isolated. The output stage is powered by the 24 V supply. The KL4428 combines

Specifications

Technology	single-ended
Number of outputs	8
Power supply	24 V DC via power contacts (alternative 15 V DC with power supply terminal KL9515)
Signal current	4…20 mA
Load	150 Ω (short-circuit proof)
Output error	±0.2% (relative to end value)
Resolution	12 bit
Conversion time	~ 8 ms
Electrical isolation	500 V (K-bus/signal voltage)
Current consumption power contacts	typ. 60 mA + load
Current consumption K-bus	typ. 20 mA
Bit width in the process image	output: 8 x 16 bit data (8 x 8 bit control/status optional)
Special features	increased packing density
Weight	approx. 75 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
Pluggable wiring	for all KSxxxx Bus Terminals
Approvals/markings	CE, CCC, UL, ATEX, IECEx, DNV
Ex marking	ATEX: II 3 G Ex ec IIC T4 Gc IECEx: Ex ec IIC T4 Gc
Design form	compact terminal 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	labeling of the BZxxxx series
Wiring	solid conductor (s), flexible conductor (st) and ferrule (f): spring actuation by screwdriver
Connection cross-section	s: 0.08…2.5 mm², st: 0.08…2.5 mm², f*: 0.14…1.5 mm²
Connection cross-section AWG	s: AWG28…14, st: AWG28…14, f*: AWG26…16
Stripping length	8…9 mm
Current load power contacts	Imax: 10 A
Dimensions (W x H x D)	12 mm x 100 mm x 68 mm

KL4428: frequently asked questions

When can KL4428 be shipped?

KL4428 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.

Can I pick up KL4428 in person?

Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.

Is express delivery available?

Yes — mention it when you request a quote for KL4428 and we'll include express shipping options in our reply.

My factory is down and I need this urgently — can you help?

For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for KL4428, subject to availability and destination.