Home / Beckhoff / KL3xxx | Analog input / Beckhoff KL3681

Beckhoff KL3681

Bus Terminal, 1-channel analog input, multimeter, 300 V AC/DC, 10 A, 19 bit

MPN: KL3681
Category: KL3xxx | Analog input

Price and lead time confirmed within 1 business day

Request a Quote

12-month warranty (new) · 3-month (used/refurbished)
30-day returns, no restocking fee on unused parts
Ships via

What is the Beckhoff KL3681?

The KL3681 Bus Terminal enables measurement of currents and voltages in a wide input range. The measuring ranges are switched automatically, as usual in advanced digital multimeters. For current measurements, two current paths are available, one of which

Specifications

Number of inputs	1 voltage or 1 current (10 A/1 A)
Technology	digital multimeter with automatic range selection
Internal resistance	3 mΩ/0.2 Ω/12.5 MΩ
Measured values	current, voltage
Measuring voltage	300 mV, 3 V, 30 V, 300 V
Measuring current	100 mA, 1 A and 10 A via high current path
Resolution	18 bit + sign in each measurement range
Measurement error/uncertainty	0.01% DC voltage measurement at 25°C
Measuring procedure	DC with arithmetic averaging, AC with true RMS value calculation
Update time	0.5 s, 1 s for measuring range selection
Electrical isolation	1500 V (K-bus/field potential)
Current consumption power contacts	– (no power contacts)
Current consumption K-bus	typ. 100 mA
Bit width in the process image	32 bit data, 8 bit control/status
Special features	automatic or manual range selection, 1.25 A fuse installed + spare fuse, filter deactivatable
Weight	approx. 70 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
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

KL3681: frequently asked questions

When can KL3681 be shipped?

KL3681 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 KL3681 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 KL3681 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 KL3681, subject to availability and destination.