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Used dcs in China

  • Trusted Seller
    CMA136 | 3DDE300416 ABB Generator

    CMA136 | 3DDE300416 ABB Generator Relay Terminal Board

    • Manufacturer: ABB

    ABB CMA136 3DDE300416 Generator Relay Terminal Board ABB CMA136 3DDE300416 Generator Relay Terminal Board The relay is a three-phase high-speed relayused for differential protection of ac generator andmotors Thes...

    Fujian, China
  • Trusted Seller
    IQ500LA | 9890D34G01 EATON SOLID STATE

    IQ500LA | 9890D34G01 EATON SOLID STATE RELAY

    • Manufacturer: Eaton

    EATON IQ500LA 9890D34G01 SOLID STATE RELAY EATON IQ500LA 9890D34G01 SOLID STATE RELAY Notes:Can be used with external CTs having 5A IQ500LA UPC:786678001654 Dimensions: ● Height: X ● Length: X ● Width: X Notes:Ca...

    Fujian, China
  • Trusted Seller
    SPAM150C-AA | RS641006 ABB Motor

    SPAM150C-AA | RS641006 ABB Motor protection relay

    • Manufacturer: ABB

    ABB SPAM150C-AA RS641006 Motor protection relay ABB SPAM150C-AA RS641006 Motor protection relay The three phase currents are connected to terminals 1-2, 4-5 and 7-8, when the rated current The three phase current...

    Fujian, China
  • Trusted Seller
    DSQC 332 6369901-403 | ABB

    DSQC 332 6369901-403 | ABB Relay I/O

    • Manufacturer: ABB
    • Model: DSQC

    ABB DSQC 332 6369901-403 Relay I/O ABB DSQC 332 6369901-403 Relay I/OCatalog Description:Dig.relay I/O DSQC 332

    Fujian, China
  • Trusted Seller
    424K1105 | ABB 25V Synchronism

    424K1105 | ABB 25V Synchronism Check Relay

    • Manufacturer: ABB

    ABB 424K1105 25V Synchronism Check Relay ABB 424K1105 25V Synchronism Check Relay Type 25v provides the same functions Type 25v provides the same functions,butalso includes options to allow closing wheneither the...

    Fujian, China
  • Trusted Seller
    DSQC373 | 3HAC3180-1 ABB CPU

    DSQC373 | 3HAC3180-1 ABB CPU BOARD

    • Manufacturer: ABB
    • Model: 3HAC

    ABB DSQC373 3HAC3180-1 CPU BOARD ABB DSQC373 3HAC3180-1 CPU BOARD Max. potential in relation to the cabinet earthing Technical data Max. voltage 48 VDC Max. current 4 A Max. potential in relation to the cabinet e...

    Fujian, China
  • Trusted Seller
    51204166-175 MC-TDOY23 | HONEYWELL digital

    51204166-175 MC-TDOY23 | HONEYWELL digital output relay

    • Manufacturer: Honeywell
    • Model: 51204166-175

    Digital Output Relay FTA Honeywell MC-TDOY23 51204166-175 Digital Output Relay FTA IN STOCK READY TO SHIP Digital Output FTA - MC-TDOY23；CE compliant, conformally coated；Compatible IOP - MU/MC-PDOY22 ONLY Honeywe...

    Fujian, China
  • Trusted Seller
    ACRB-03 3HNE 08250-1 | ABB

    ACRB-03 3HNE 08250-1 | ABB CABINET RELAY BOARD

    • Manufacturer: ABB

    ABB ACRB-03 3HNE 08250-1 CABINET RELAY BOARD ABB ACRB-03 3HNE 08250-1 CABINET RELAY BOARD Detailed description: CARTE RELAIS SECURITE ACRB-03 REF : 3HNE 08250-1

    Fujian, China
  • Trusted Seller
    38B5786X132 Emerson PNEUMATIC RELAY

    38B5786X132 Emerson PNEUMATIC RELAY

    • Manufacturer: Emerson

    38B5786X132 Emerson PNEUMATIC RELAY PNEUMATIC RELAY In stock ready to ship 1.High quality 2.Prompt Delivery 3.We provide numorous brand-name parts. 4.We have experienced staff and extensive test facilities. 5.The...

    Fujian, China
  • Trusted Seller
    RXPDK 21H | 1MRK000844-BB ABB

    RXPDK 21H | 1MRK000844-BB ABB Directional Time Over Current Relay

    • Manufacturer: ABB

    ABB RXPDK 21H 1MRK000844-BB Directional Time Over Current Relay ABB RXPDK 21H 1MRK000844-BB Directional Time Over Current Relay Catalog Description:Directional time-overcurrent relay, Ir=AC 5A RXPDK 21H General I...

    Fujian, China
  • Trusted Seller
    CMA132 | ABB | 3DDE300412

    CMA132 | ABB | 3DDE300412 relay board

    • Manufacturer: ABB

    Linking Device Get the best deals for CMA132 3DDE300412 IN STOCK READY TO SHIP CMA132 Generator Relay Terminal Board CMA-132 Manufactured by ASEA BROWN BOVERI Basic Info. Brand Name: ABB Product Model: CMA132 Spa...

    Fujian, China
  • Trusted Seller
    NTU-7Q2E | ABB Relay Termination

    NTU-7Q2E | ABB Relay Termination Unit

    • Manufacturer: ABB

    ABB NTU-7Q2E Relay Termination Unit ABB NTU-7Q2E Relay Termination Unit ABB Bailey Infi 90, ABB Bailey Infi 90 and Net 90

    Fujian, China
  • Trusted Seller
    3HAC3939-4 | ABB Customer Relayboard

    3HAC3939-4 | ABB Customer Relayboard

    • Manufacturer: ABB
    • Model: 3HAC

    ABB 3HAC3939-4 Customer Relayboard ABB 3HAC3939-4 Customer Relayboard Catalog Description:Customer Relayboard 3HAC3939-4 General Information Product ID:3HAC3939-4 ABB Type Designation:- Catalog Description:Custom...

    Fujian, China
  • Trusted Seller
    DSQC 239 YB560103-CH | ABB

    DSQC 239 YB560103-CH | ABB Remote I/O Control Board

    • Manufacturer: ABB
    • Model: DSQC

    ABB DSQC 239 YB560103-CH Remote I/O Control Board ABB DSQC 239 YB560103-CH Remote I/O Control Board The remote I/O unit RIO600 expands the number of digital and analog inputs and outputs of Relion® protection and...

    Fujian, China
  • Trusted Seller
    6634838A1 | ABB Bailey Relay

    6634838A1 | ABB Bailey Relay Board Assembly

    • Manufacturer: ABB

    ABB Bailey 6634838A1 Relay Board Assembly ABB Bailey 6634838A1 Relay Board Assembly ABB Bailey Infi 90, ABB Bailey Infi 90 and Net 90 6634838A1 Model Type: 6634837B1 Relay Board Assembly Manufacturers ABB, Bailey...

    Fujian, China
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Overview

Relays are electrical components used to control a circuit by a separate low-power signal or multiple signals. They are essential in various applications, including industrial automation, automotive systems, and household appliances. Relays come in different types, such as electromagnetic, solid-state, and thermal, each suited for specific functions and environments.

FAQ

What factors should I consider when purchasing a relay?

Consider the relay's voltage and current ratings, the type of relay (electromagnetic, solid-state, etc.), and the environmental conditions it will operate in. Compatibility with your existing system is also crucial.

How can I ensure my relay is shipped safely?

Ensure the relay is packed in anti-static packaging and cushioned to prevent damage during transit. Use a reliable shipping service that handles fragile electronic components.

What maintenance is required for relays?

Regular maintenance includes checking for signs of wear or damage, ensuring connections are secure, and occasionally cleaning contact points if applicable. Follow the manufacturer's guidelines for specific maintenance procedures.