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Beckhoff KL1434

Bus Terminal, 4-channel digital input, 24 V DC, 0.2 ms, type 2, 2-wire connection

MPN: KL1434
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 KL1434?

The KL1434 digital input terminal acquires the binary 24 V DC control signals from the process level and transmits them, in an electrically isolated form, to the higher-level automation unit. The Bus Terminal has four channels, whose signal state is

Specifications

Connection technology	2-wire
Specification	EN 61131-2, type 2
Number of inputs	4
Nominal voltage	24 V DC (-15%/+20%)
“0” signal voltage	-3…+5 V (EN 61131-2, type 2)
“1” signal voltage	11…30 V (EN 61131-2, type 2)
Input filter	typ. 0.2 ms
Input current	typ. 6 mA (EN 61131-2, type 2)
Current consumption K-bus	typ. 3 mA
Electrical isolation	500 V (K-bus/field potential)
Bit width in the process image	4 inputs
Configuration	no address or configuration setting
Weight	approx. 50 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
Pluggable wiring	for all KSxxxx Bus Terminals
Approvals/markings	CE, CCC, UL, ATEX, IECEx
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

KL1434: frequently asked questions

When can KL1434 be shipped?

KL1434 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 KL1434 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 KL1434 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 KL1434, subject to availability and destination.