Free Shipping Across the USA — Worldwide Delivery Available!
PALM Parts Solution
AccountQuote
In Stock Fast Shipping Available
Beckhoff KL3403 3-channel analog input terminal for K-Bus systems

*Image shown is a representation only. Actual product may vary.

Beckhoff KL3403

by Beckhoff

Read verified buyer reviews ↓

OverviewThe Beckhoff KL3403 is a sophisticated 3-channel analog input terminal, expertly designed for flawless incorporation into K-Bus systems. This device excels at acquiring current signals within the 0–20 mA range with exceptional accuracy, boasting a 16-bit resolution. It is perfectly suited for numerous industrial and process automation tasks, guaranteeing consistent and dependable data collection to facilitate sophisticated control and monitoring.Key Features Three Analog Input Channels: Offers versatile connections for multiple current sensors. Broad Input Range: Measures current signals from 0–20 mA with precision, meeting diverse industrial needs. High-Resolution 16-Bit Measurement: Ensures detailed and accurate data acquisition for vital applications. Electrical Isolation: Provides 500 V electrical separation between I/O and the K-Bus, boosting safety and signal integrity. Compact 12 mm Enclosure: Space-efficient design for high-density DIN rail mounting within control cabinets. Diagnostic LEDs: Integrated indicators simplify monitoring of channel status and overall device performance. Effortless TwinCAT Integration: Fully compatible with Beckhoff TwinCAT for streamlined setup, programming, and diagnostics. Technical Specifications Part Number: KL3403 Manufacturer: Beckhoff System: K-Bus (Bus Terminal system) Channels: 3 analog inputs Input Range: 0–20 mA Resolution: 16-bit Electrical Isolation: 500 V (I/O to bus system) Housing Width: 12 mm Mounting: DIN rail (K-Bus system) Operating Temperature: –25 °C to +60 °C Applications Process Automation: Crucial current signal detection in manufacturing, chemical, and pharmaceutical facilities. Machine Control: Integrating analog current acquisition for precise feedback and regulation in automated machinery. Building and Energy Automation: Monitoring power consumption and environmental factors with high accuracy. Laboratory and Test Setups: Distributed I/O solutions for research and development requiring reliable data. Industrial Systems: Improving existing K-Bus setups with advanced analog input capabilities across various industries. Why Choose This Model?The Beckhoff KL3403 stands out for analog input applications due to its unmatched combination of design and performance. Its compact 12 mm form factor, integrating three input channels, optimizes cabinet space without sacrificing functionality. The 16-bit resolution guarantees superior measurement accuracy, crucial for reliable signal acquisition in demanding industrial environments. Engineered for direct integration with K-Bus systems, it offers quick setup and configuration, reducing deployment time and complexity. Furthermore, its adaptability makes it suitable for a wide range of industrial and process automation tasks. As a Beckhoff product, you benefit from proven quality, robust engineering, and extensive support, including seamless compatibility with the powerful TwinCAT software suite. Select the KL3403 for precision, dependability, and ease of integration in your automation projects.Order NowElevate your industrial automation capabilities with the Beckhoff KL3403 3-channel analog input terminal. This high-precision device is readily available to enhance your data acquisition systems. We offer worldwide shipping so you can access this essential component for your projects, no matter your location. Secure your Beckhoff KL3403 today and experience the impact of superior engineering and reliable performance in your automation architecture.FAQWhat is the primary function of the Beckhoff KL3403?The Beckhoff KL3403 is a 3-channel analog input terminal designed to accurately acquire current signals within the 0–20 mA range for integration into K-Bus systems.What is the resolution of the KL3403?The KL3403 offers a high 16-bit resolution, ensuring precise and granular data acquisition.Is the Beckhoff KL3403 compatible with other Beckhoff software?Yes, it offers seamless integration with Beckhoff TwinCAT software for simplified configuration, programming, and diagnostics.What are the typical applications for this device?Typical applications include process automation, machine control, building and energy automation, laboratory setups, and various industrial systems requiring accurate current signal measurement.Does the KL3403 provide electrical isolation?Yes, it features 500 V electrical isolation between I/O and the K-Bus system for enhanced safety and signal integrity.

🇺🇸 Ships from our Florida warehouse
1-Year PALM Parts Warranty
CONDITION
$427.99
19 in stock

USA — Free FedEx Priority & UPS Ground · Worldwide shipping available

For more quantity please contact Customer Service

Experts Available 24/7 · 365
+1 (689) 263-1985
sales@palmpartssolution.com

Fast Shipping

Dispatched quickly on in-stock items via UPS, FedEx & DHL worldwide.

Availability

Thousands of parts in stock — ready for immediate dispatch from Florida.

Payment Flexibility

AMEX, Visa, MasterCard, PayPal, Discover and wire transfer accepted.

PRODUCT DETAILS

Beckhoff KL3403

Overview

This is a genuine Beckhoff component from the Bus Terminals (KL) family. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.

Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.

Key Features

  • Genuine Beckhoff catalog part
  • Tested before shipment
  • Backed by PalmPartsSolution warranty
  • Cross-reference and revision assistance available
  • Compatible with the broader Beckhoff automation ecosystem
  • Engineered to integrate inside Bus Terminals (KL) installations

Compatibility

When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Beckhoff equipment. Where applicable, confirm:

  • Input/output voltage and current rating
  • Communication protocol and network role
  • Mounting form factor and footprint
  • Operating temperature, humidity, and IP rating
  • Required certifications (UL, CE, ATEX, marine, etc.)

Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.

Replacement Information

Three ways to source this part through PalmPartsSolution:

  1. Exact replacement — same Beckhoff catalog number, new or refurbished, tested and warrantied
  2. Form-fit-function equivalent — alternate revision or build that drops in without code changes
  3. Engineered migration — current-generation Beckhoff platform with documented conversion notes for the Bus Terminals (KL) family

Contact our engineering team if you need help choosing between these tracks.

Technical Specifications

  • Part Number: KL3403
  • Manufacturer: Beckhoff
  • System: K-Bus (Bus Terminal system)
  • Channels: 3 analog inputs
  • Input Range: 0–20 mA
  • Resolution: 16-bit
  • Electrical Isolation: 500 V (I/O to bus system)
  • Housing Width: 12 mm
  • Mounting: DIN rail (K-Bus system)
  • Operating Temperature: –25 °C to +60 °C

Applications

  • Process Automation: Crucial current signal detection in manufacturing, chemical, and pharmaceutical facilities.
  • Machine Control: Integrating analog current acquisition for precise feedback and regulation in automated machinery.
  • Building and Energy Automation: Monitoring power consumption and environmental factors with high accuracy.
  • Laboratory and Test Setups: Distributed I/O solutions for research and development requiring reliable data.
  • Industrial Systems: Improving existing K-Bus setups with advanced analog input capabilities across various industries.

Why Choose the KL3403?

The Beckhoff KL3403 stands out for analog input applications due to its unmatched combination of design and performance. Its compact 12 mm form factor, integrating three input channels, optimizes cabinet space without sacrificing functionality. The 16-bit resolution guarantees superior measurement accuracy, crucial for reliable signal acquisition in demanding industrial environments. Engineered for direct integration with K-Bus systems, it offers quick setup and configuration, reducing deployment time and complexity. Furthermore, its adaptability makes it suitable for a wide range of industrial and process automation tasks. As a Beckhoff product, you benefit from proven quality, robust engineering, and extensive support, including seamless compatibility with the powerful TwinCAT software suite. Select the KL3403 for precision, dependability, and ease of integration in your automation projects.

Availability & Shipping

  • In stock: KL3403 ready for immediate dispatch from our Florida warehouse.
  • Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
  • Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
  • Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
  • Buy with confidence: Every KL3403 ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Beckhoff

The Beckhoff KL3403 is a 3-channel analog input terminal designed to accurately acquire current signals within the 0–20 mA range for integration into K-Bus systems.

Machine down? We ship parts the same day.

New, surplus, and refurbished Beckhoff inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.

CUSTOMER REVIEWS

What Verified Buyers Say

No reviews yet for this product. Be the first verified buyer to share your experience — we email a review invitation after every purchase.

Independent Supplier Notice

PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.

Product Condition & Firmware

All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.

Are you an Electrical Distributor?Learn more about our distributor program

PALM Parts Solution sells used surplus products. PALM Parts Solution is not an authorized distributor, affiliate, or representative for the brands we carry. Products sold by PALM Parts Solution come with PALM Parts Solution's 1-Year Warranty and do not come with the original manufacturer's warranty. Designated trademarks, brand names and brands appearing herein are the property of their respective owners. This website is not sanctioned or approved by any manufacturer or tradename listed.

Read full disclaimer →