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Achievers Automation Limited

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China ABB TU551-CS31 | CS31 Bus Terminal Unit for AC500 PLC, Screw Terminals
China ABB TU551-CS31 | CS31 Bus Terminal Unit for AC500 PLC, Screw Terminals

  1. China ABB TU551-CS31 | CS31 Bus Terminal Unit for AC500 PLC, Screw Terminals
  2. China ABB TU551-CS31 | CS31 Bus Terminal Unit for AC500 PLC, Screw Terminals

ABB TU551-CS31 | CS31 Bus Terminal Unit for AC500 PLC, Screw Terminals

  1. MOQ: 1
  2. Price: Negotiable
  3. Get Latest Price
Payment Terms T/T,XT,ALIPAY
Supply Ability 100pcs per month
Delivery Time Negotiable
Packaging Details carton
Power Supply 1
Ambient Temperature -
Electrical Rating G
Certifications S
Brand Name ABB
Model Number TU551-CS31
Certification ATEX
Place of Origin DE

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Product Specification

Payment Terms T/T,XT,ALIPAY Supply Ability 100pcs per month
Delivery Time Negotiable Packaging Details carton
Power Supply 1 Ambient Temperature -
Electrical Rating G Certifications S
Brand Name ABB Model Number TU551-CS31
Certification ATEX Place of Origin DE
High Light ABB CS31 Bus Terminal UnitAC500 PLC screw terminalsABB positioner bus terminal

ABB TU551-CS31 | CS31 Bus Terminal Unit for AC500 PLC, Screw Terminals

ABB TU551-CS31 terminal unit for CS31 I/O modules. 24V DC powered, DIN rail mount, screw terminals, IP20. ABB AC500 PLC system base module.

Product Overview

The ABB TU551-CS31​ is a CS31 bus terminal unit (base module)​ designed for the ABB AC500 PLC system. It serves as the mechanical and electrical base for mounting S500 series CS31 communication interface modules​ and I/O modules. Featuring screw terminals​ for reliable wiring, it distributes the 24V DC process supply and signals, allowing for easy module replacement without disturbing the field wiring.

Technical Specifications (Electrical & Functional)

Parameter

Specification

Manufacturer / Series

ABB / AC500 (TU551 Series)

Model

TU551-CS31

Article Number

1SAP210600R0001

Product Type

CS31 Bus Terminal Unit (Base Module)

Supply Voltage (Up)

24 V DC (18 – 30 V DC range)

Terminal Type

Screw Terminals

Bus Interface

CS31 I/O Bus (for S500 modules)

Internal Circuit Supply

Via Up/ZP terminals

Degree of Protection

IP20

Technical Specifications (Mechanical & Environmental)

Parameter

Specification

Mounting

DIN Rail (TS-35/7.5 or 15)

Dimensions (WxHxD)

~ 11 x 100 x 60 mm (approx.)

Operating Temperature

0 °C to +60 °C

Storage Temperature

-40 °C to +70 °C

Ambient Conditions

For control cabinet use (IP20)

Compatible Modules

S500 CS31 Communication & I/O Modules

Key Features

  • Hot-Swap Capable:​ CS31 modules can be inserted/removed without disconnecting field wires.

  • Integrated Power Distribution:​ Terminals 1.8–4.8 (Up) and 1.9–4.9 (ZP) provide continuous 24V DC to modules.

  • System Integration:​ Part of the scalable ABB AC500 PLC architecture.

  • Secure Connection:​ Modules lock mechanically into the terminal unit.

Applications

  • Factory automation control cabinets

  • Distributed I/O expansion for AC500 PLCs

  • Machine control systems requiring modular I/O

About ACH

Founded in 2012, ACH is a top-tier distributor of industrial automation products, supplying genuine devices from leading brands like ABB, P+F, E&H, AB, MTL  to emerging markets worldwide. Our mission is to provide 100% Genuine products at the most competitive prices, helping customers reduce costs and strengthen their market position.

ACH industrial automation products
Frequently Ask & Questions
Are preferential prices available?

Long-term brand partners can get competitive product prices. At the same time, ACH controls the profit per order to 5%, providing the most competitive prices.

Are the Products Genuine OEM Units?

Yes, all products from ACH are certified genuine OEM units. We acquire our inventory through official OEM channels and trusted third-party suppliers, ensuring every item is authentic and reliable.

How will you arrange shipment?

We'll handle the shipping for you. Through our partnerships, we can secure competitive rates with major carriers like FedEx, DHL, TNT, and UPS, ensuring a smooth and cost-effective delivery.

What is the warranty of goods?

One-year Warranty.

How long is the logistics cycle of the product?

Products are divided into spot and futures, and the delivery period of different brands of products is also different. For details, please contact the ACH business manager.

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Agent,Importer,Trading Company

  • Year Established:

    2012

  • Total Annual:

    2000000-3000000

  • Employee Number:

    >50

  • Ecer Certification:

    Verified Supplier

A Decade of Global Excellence in Electromechanical Trade   ACH  established in 2012 with offices in Shenzhen and Hong Kong, is a high-efficiency multi-brand distributor of industrial automation products.   We specialize in supplying world-leading brands such as Bradley,Pe... A Decade of Global Excellence in Electromechanical Trade   ACH  established in 2012 with offices in Shenzhen and Hong Kong, is a high-efficiency multi-brand distributor of industrial automation products.   We specialize in supplying world-leading brands such as Bradley,Pe...

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Get in touch with us

  • Reach Us
  • Achievers Automation Limited
  • THE CLOUD, 111,TUNG CHAU STREET, TAI KOKTSUI, KOWLOON,HONG KONG
  • https://www.ach-automation.com/

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