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Beckhoff KL3453

Bus Terminal, 3-channel analog input, power measurement, 690 V AC, 0.1/1/5 A, 24 bit, electrically isolated

MPN: KL3453
Category: KL3xxx | Analog input

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12-month warranty (new) · 3-month (used/refurbished)
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What is the Beckhoff KL3453?

The KL3453 power measurement bus terminal with up to 690 V AC, the voltage inputs are optimized for the direct monitoring of high-capacity generators, as in the wind power industry, for example. No upstream voltage transformer is required. The four

Specifications

Number of inputs	4 x current, 3 x voltage
Technology	3-phase power measurement
Measured values	current, voltage, effective, reactive and apparent power, active, reactive and apparent energy, cos φ, frequency, THD, harmonic (up to 63rd harmonic)
Measuring voltage	max. 690 V AC 3~ (ULX-N: max. 400 V AC)
Measuring current	adjustable, 100 mA AC, 1 A AC (default), 5 A AC; potential-free
Measurement error/uncertainty	0.3% relative to full scale value (U/I), 0.6% calculated value (see documentation)
Update time	net-synchronous with up to 10 ms at 50 Hz
Electrical isolation	4500 V
Current consumption power contacts	–
Current consumption K-bus	typ. 200 mA
Bit width in the process image	input/output: 4 x 32 bit data, 4 x 16 bit control/status
Special features	mains monitoring, optional single-phase operation
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
Approvals/markings	CE
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)	24 mm x 100 mm x 68 mm

KL3453: frequently asked questions

When can KL3453 be shipped?

KL3453 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 KL3453 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 KL3453 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 KL3453, subject to availability and destination.