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ABB TU520-ETH PROFINET I/O Terminal Unit front view
ABB TU520-ETH PROFINET I/O Terminal Unit side view
ABB TU520-ETH PROFINET I/O Terminal Unit terminal view

ABB TU520-ETH S500 PROFINET I/O Terminal Unit with Dual RJ45

ABB · S500ACTIVE
TU520-ETH
ABB TU520-ETH is an active 24 V DC PROFINET I/O terminal unit with two RJ45 ports, spring terminals and three removable bus connectors.
NETWORK
2 Ethernet ports
PROCESS SUPPLY
24 V DC
FIELD CONNECTION
Spring terminals
Confirm the installed CI5xx communication interface and its removable bus connectors before replacement.
2 × RJ45ETHERNET
10 A max.TOTAL CURRENT
2 Ethernet portsNETWORK
INQUIRE NOW
ONE YEAR WARRANTY
FAST DELIVERY
WORLDWIDE SHIPPING
Inquire Now
  • Worldwide delivery
  • Delivery from stock
  • In stock really means in stock
  • No account required
  • Shipped from the China
Product Specifications
Manufacturer ABB
Item number TU520-ETH
Country of Origin Germany
Lead Time 2-3 DAYS
After-Sales Support For after-sales support, please contact May.
HS Code / Commodity code 85389091
FAQ

Quotes are valid for 30 days from the day the quote is received unless stated otherwise at the time of quotation.

Yes,we offer one year warranty for all new products.

Yes. We worked with FEDEX/DHL/TNT/UPS/ allowing us to provide swift global delivery of parts to any corner of the world.

Normally 3-5 working days,some remote areas 5-7 days more.

Product information
01
NETWORK TERMINAL BASE
Ethernet, process power and removable bus connections in one base.
TU520-ETH carries the physical network and supply interfaces used by a compatible PROFINET communication module.
PRIMARY
Ethernet ports
2 × RJ45
Ethernet technology
10/100BASE-TX or 100BASE-TX
Rated supply
24 V DC
Maximum total current
10 A
SYSTEM
Bus connectors
3 removable
Terminal technology
Spring connection
Process supply terminal
UP
Zero-potential terminal
ZP
INSTALLATION
Grounding
DIN rail or wall screws
Mounting position
Horizontal or vertical
Catalog weight
200 g
Lifecycle phase
Active
Ethernet ports
2 × RJ45
Mounting
Horizontal or vertical
Catalog weight
0.200 kg
Country of origin
Germany
Lifecycle
Active
02
NETWORK HANDOFF
Dual Ethernet access supporting a modular PROFINET station.
The terminal base exposes network and field connections while the installed communication module defines the actual protocol behavior.
01
SYSTEM FUNCTION
Dual-port layout
Two RJ45 sockets support the Ethernet path required by the inserted PROFINET communication interface.
02
SYSTEM FUNCTION
Module-defined speed
ABB documents 10/100BASE-TX or 100BASE-TX operation depending on the plugged CI5xx module.
03
SYSTEM FUNCTION
Removable bus wiring
Three removable connectors carry the auxiliary bus systems assigned by the communication interface.
CONFIGURATION SUMMARY
Ethernet ports2
Bus plugs3
Rated supply24 V DC
INSTALLATION REVIEW
Validate the PROFINET terminal base.
Trace network, bus plugs and supply
CI5XX UNIT
Exact interface
CHECK
RJ45 PORTS
Both mapped
CHECK
AUX PLUGS
3 retained
CHECK
PROCESS PWR
24 V DC
CHECK
CURRENT CAP
10 A max.
CHECK
Match the installed CI5xx, Ethernet topology and removable connector assignments before energizing.
03
SELECTION & SUPPORT FAQ
Clear answers for confident TU520-ETH selection.
Use the complete model and installed-system details to confirm a reliable match before purchase.
Prepare a precise match.
01 · NAMEPLATE
Full model and hardware index
02 · INSTALLED SYSTEM
Base, wiring and connected modules
03 · PROJECT
Software, settings and required condition
Q1
Which ABB communication interfaces use TU520-ETH?
ABB specifies TU520-ETH for compatible S500 PROFINET communication interface modules. The exact CI5xx model determines the Ethernet speed and removable bus assignments.
Q2
Does ABB TU520-ETH contain the PROFINET device electronics?
No. TU520-ETH is the terminal unit that provides Ethernet, supply and removable bus connections; the installed communication interface module performs the PROFINET device functions.
Q3
Can ABB TU520-ETH support an Ethernet daisy chain?
The terminal unit provides two RJ45 sockets, and compatible CI5xx modules document integrated switch functionality. Confirm the installed module before planning the topology.
Q4
What must be checked when replacing ABB TU520-ETH?
Record the communication-interface model, RJ45 cabling, 24 V DC supply, grounding and all three removable bus connectors before moving wiring to a replacement base.
Q5
Is there an extended-condition version of ABB TU520-ETH?
Yes. ABB lists TU520-ETH-XC as a separate active version for extended conditions. It must be selected by its own configuration and environmental requirements.
Q6
Which details are needed to quote ABB TU520-ETH accurately?
Send the TU520-ETH model, installed CI5xx module, connector photos, quantity, required condition, destination and delivery date so compatibility and supply can be reviewed.
EXACT CONFIGURATION: TU520-ETH
04
OUR STORY
Our Company’s Development History
Key milestones from 2005 to today show how our team, warehouse and international service capabilities have grown.
Our office team supporting global automation customers
OUR TEAM AT WORK · 2017
PEOPLE BEHIND THE SERVICE
Coordinated support from inquiry to delivery.
Our sales and support colleagues coordinate product identification, quotations, technical documentation and order follow-up so each inquiry moves clearly from initial review to delivery.
GROWTH WITH PURPOSE
Built through experience, strengthened by long-term trust.
Each stage of our development has expanded our product knowledge, sourcing network and international service capabilities while keeping responsible support at the center.
01
PRODUCT REVIEW
02
RESPONSIVE SUPPORT
03
GLOBAL COORDINATION
MILESTONE 01
2005
The Beginning
Company was founded in Xiamen, Fujian, China, in 2005 with a team of only four people. At that time, we mainly served selected European and North American markets, supplying commonly requested industrial automation products from Siemens, Allen-Bradley and Bently Nevada. Although the business was still developing and we completed relatively few orders, this period helped us build essential product knowledge and international trade experience.
MILESTONE 02
2017
A Period of Growth
By 2017, our team had grown to approximately 30 people, and we had established a warehouse for in-stock automation components. Our business expanded across Europe, North America and Southeast Asia, while our product range grew from popular models to scarce and discontinued industrial automation parts. As our product knowledge and service experience increased, we completed nearly 20 orders per month on average.
MILESTONE 03
Today
Serving Customers Worldwide
Today, Company serves customers worldwide with a professional team of approximately 60 people. Our warehouse holds a broad selection of industrial automation components, including popular products, hard-to-find parts and discontinued models. We now complete more than 30 orders per month, with an average monthly transaction value of approximately USD 3 million. We have established long-term partnerships with nearly 30 customers from different countries and welcomed almost 40 international customers to visit our company.
Since our company was founded, we have served every customer with sincerity and professionalism. Our prices may not always be the lowest, but we earn long-term trust through quality products, dependable after-sales support, honest condition reporting, timely communication and responsible delivery. Our goal is to build lasting partnerships rather than pursue one-off transactions.
05
AFTER-SALES SUPPORT
Support that continues beyond delivery.
Warranty assistance, documentation and responsive communication help customers maintain automation assets with fewer delays.
01
Warranty Support
Most products are covered by a warranty of up to 12 months, subject to the applicable terms and conditions. If any product-related issue occurs during the warranty period, our team will assist you and provide an appropriate solution.
02
Technical Documentation
Relevant datasheets and technical literature can be provided with the goods, offering useful information for product identification, installation, operation, and maintenance.
03
Fast Response
We understand the importance of minimizing equipment downtime. Our team responds promptly to inquiries and provides professional assistance with product information, quotations, order status, shipping, and after-sales questions.
04
Global Customer Service
We serve customers worldwide and provide reliable assistance from inquiry to delivery and after-sales service, ensuring clear and timely communication throughout the process.
05
Long-term Spare Parts Supply
We continue to source discontinued, obsolete, and hard-to-find automation parts from various brands, helping customers maintain existing equipment and reduce downtime caused by spare parts shortages.
06
EXTENDED SOURCING
More Automation Models
A mixed selection of specialist automation references for maintenance, retrofit and spare-parts projects.
01OC485
02REG-K 12X230/16
03THS301-T401H001-DMP
04SL0101 SLG23CEEAK0A
05AXIS 5800-801
06PSM700
07PRO6LV PRO6/PRO10
08SD55X
09VICTOR 0781-3619
10ET1111-F-MT
11TF42-4.2 1SAZ721201R1035
12S-3-TCPUSE-H-Di6
13ET901-AC
14DS7708-SR00004ZCWW
15EN54
16AR-133
17SP3- GT35
18HMP-HM64
19IGPMC-111GP
2041688-01 MOV-175
21LD-C4ZB-H2-21
22ZB-S - CEAG COOPER 40071347890
23PSI-MOS-RS232/FO
24CEU1-D
25EX-D16A3-R08
26MODG2-12LC-SM-PT
27UBT2000
2851-41-RX1
29OBi302 2200-49532-102
30FX-PCG2621-0
31Ca-3
32CLIOP831A
33MMC-QR030024-02LD00A
34BF80 11BF8000230
35XD3 XD1033
36PCO3010AL0
37ZA10341
38MF6FTJ0026
39KFD2-UT2-EX1
VERIFY exact part numbers
CONSOLIDATE mixed requirements
COORDINATE sourcing and delivery
REQUEST A QUOTE
Start inquiry about ABB TU520-ETH.
Include the exact model, nameplate, installed configuration, quantity, destination and required delivery date.
SALES MANAGER
May
WHATSAPP
+86-18106909650

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