Beckhoff KL3403
Beckhoff KL3403

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Beckhoff

Beckhoff KL3403 Analog Input Module

SKU: KL3403
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$262.29
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KL3403 Bus Terminal | Beckhoff

The Beckhoff KL3403 is a bus terminal (3-channel analog input, power measurement, 500 V AC, 1 A, 16 bit). It is supplied by SHLY-PLC, an independent industrial-automation distributor: every unit is visually inspected and functionally checked before dispatch, held in ready stock and shipped worldwide for maintenance, spares and retrofit use. Share your application or existing part number and our team will confirm fitment and comparable in-stock alternatives.

Features

  • Number of inputs: 3 x current, 3 x voltage.
  • Resolution: 16 bit (21 bit, internal).
  • Weight: approx. 75 g.
  • Approvals/markings: CE, UL.
  • Technology: 3-phase power measurement.

Specifications

Technical parameters compiled from the manufacturer data sheet and reference documentation.

Technical Specifications
I/O & Signals
Number of inputs 3 x current, 3 x voltage
Resolution 16 bit (21 bit, internal)
Bit width in the process image input/output: 3 x 16 bit data, 3 x 8 bit control/status
Power & Current
Current consumption power contacts – (no power contacts)
Current consumption K-bus typ. 115 mA
Mechanical & Environmental
Weight approx. 75 g
Operating temperature -25…+60°C
Storage temperature -40…+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 level for all KSxxxx Bus Terminals
Approvals & Compliance
Approvals/markings CE, UL
General
Technology 3-phase power measurement
Measured values current, voltage, effective power, energy, cos φ, peak values U, I and P, frequency
Measuring voltage max. 500 V AC 3~ (UL X -N: max. 288 V AC)
Measuring current max. 1 A, via measuring transformers x A/1 A
Measurement error/uncertainty 0.5% relative to full scale value (U, I), 1% calculated value
Measuring procedure true RMS with 64,000 samples/s
Update time 50 ms per measured value preset, free configurable
Electrical isolation 1500 V (K-bus/field potential)
Special features energy meter, power measurement, true RMS

Compatibility & Cross-References

Model variants, options and firmware revisions can affect fitment. Before ordering the Beckhoff KL3403 bus terminal, share your existing part number or project requirements and our team will cross-reference comparable in-stock Beckhoff units and verify compatibility. This listing is provided by an independent industrial-automation distributor; brand names and part numbers are used for identification only.

Applications

  • Machine and production-line automation with distributed I/O.
  • Conveyors, packaging and material-handling equipment.
  • Process data acquisition and sensor/actuator interfacing.
  • Maintenance, spares and retrofit of existing Beckhoff systems.
  • Control-cabinet and DIN-rail mounted automation builds.

Warranty

  • Availability: KL3403 is stocked for prompt shipment; contact us for current quantity and lead time.
  • Inspection & testing: each unit is visually inspected and functionally checked before packing.
  • Delivery: orders are processed within 2-4 business days after payment confirmation; standard worldwide delivery is about 5-8 business days, express shipping is available, and orders over $500 ship free.

    • Warranty: 12-month seller warranty provided by SHLY-PLC. See our Return Policy for coverage and claims.

Independent supplier: Beckhoff part KL3403 is supplied by SHLY-PLC, an independent industrial-automation distributor. Brand names and part numbers are used for product identification and remain the property of their respective owners; this listing is not affiliated with, sponsored or endorsed by the manufacturer.

Frequently Asked Questions

Q: What condition is the KL3403 supplied in?

A: Each unit is inspected and functionally checked before sale. Contact us for the current stock condition and quantity.

Q: How quickly can the KL3403 ship?

A: Orders are processed within 2-4 business days after payment confirmation. Standard worldwide delivery is about 5-8 business days, express shipping is available and orders over $500 ship free.

Q: Can you confirm compatibility or a replacement for the KL3403?

A: Yes. Share your existing part number or application and our technical team will verify compatibility and provide cross-references to comparable in-stock models.

KL3403 · Technical reference data · Independently supplied by SHLY-PLC

Standard International (tracked courier): delivered in 5–8 business days. In-stock items are processed within 2–4 business days. USD 25 flat rate on orders of $500 or less; free on orders over $500.

Express (DHL Express / FedEx International): upgraded expedited delivery in 2–4 business days. The Express surcharge is calculated at checkout based on destination and order weight.

Non-Stock / On-Order items ship on request: dispatch time is confirmed before your order — see our Shipping Policy. Remote-area and overweight surcharges, where applicable, are shown before checkout.

Every product is covered by a 12-month seller warranty provided by SHLY-PLC, effective from the date of delivery, against defects in materials and workmanship under normal use. Manufacturer or factory warranty service is not applicable, and extended warranty packages are not provided.

This warranty does not cover damage from misuse, improper installation, power surges, neglect, unauthorized repair, or normal wear and tear. See our Return Policy for warranty-claim instructions.
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