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Beckhoff KL1859

Bus Terminal, 8-channel digital input + 8-channel digital output, 24 V DC, 3 ms, 0.5 A

MPN: KL1859
Category: KL1xxx | Digital input

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12-month warranty (new) · 3-month (used/refurbished)
30-day returns, no restocking fee on unused parts
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What is the Beckhoff KL1859?

The KL1859 digital input terminal combines eight digital inputs and eight digital outputs in one device. The signal state of the channels is indicated by LEDs. The reference ground for all inputs is the 0 V DC power contact; the outputs are fed via the

Specifications

Connection technology	1-wire
Specification	EN 61131-2, type 1/3
Number of channels	8 inputs + 8 outputs
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)
Load type	ohmic, inductive, lamp load
Max. output current	0.5 A (per channel)
Reverse voltage protection	yes
Current consumption K-bus	typ. 25 mA
Current consumption power contacts	typ. 15 mA + load
Electrical isolation	500 V (K-bus/field potential)
Bit width in the process image	8 inputs + 8 outputs
Configuration	no address or configuration setting
Weight	approx. 60 g
Storage temperature	-25…+85°C
Operating temperature	0…55°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
Ex marking	ATEX: II 3 G Ex ec IIC T4 Gc IECEx: Ex ec IIC T4 Gc
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

KL1859: frequently asked questions

When can KL1859 be shipped?

KL1859 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 KL1859 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 KL1859 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 KL1859, subject to availability and destination.