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Used Rectifiers in China

  • Trusted Seller
    DSQC 249A 6369901-237 | ABB

    DSQC 249A 6369901-237 | ABB Rectifier

    • Manufacturer: ABB
    • Model: DSQC

    ABB DSQC 249A 6369901-237 Rectifier ABB DSQC 249A 6369901-237 Rectifier The ABB GME DSQC Series Rectifiers consist of a three-phase, six pulse diode bridge, a reservoir capacitor, a shunt regulator, and control e...

    Fujian, China
  • Trusted Seller
    MC22-T | DRP-6T FRIEM 50kA

    MC22-T | DRP-6T FRIEM 50kA Rectifier Unit

    • Manufacturer: FRIEM

    FRIEM MC22-T DRP-6T 50kA Rectifier Unit FRIEM MC22-T 50kA Rectifier Unit FRIEM MC22-T 50kA Rectifier Unit Exceptionally simple and intuitive five button user interface forparameters reading and setting

    Fujian, China
  • Trusted Seller
    DSQC345B | 3HAB8101-2 ABB RECTIFIER

    DSQC345B | 3HAB8101-2 ABB RECTIFIER UNIT

    • Manufacturer: ABB
    • Model: 3HAB

    ABB DSQC345B 3HAB8101-2 RECTIFIER UNIT ABB DSQC345B 3HAB8101-2 RECTIFIER UNIT ABB Type Designation:46,5x24,5x31 3HAB8101-2 General Information Product ID:3HAB8101-2 ABB Type Designation:46,5x24,5x31 Catalog Descr...

    Fujian, China
  • Trusted Seller
    DRP-6T | FRIEM Star Rectifiers

    DRP-6T | FRIEM Star Rectifiers

    • Manufacturer: FRIEM

    FRIEM DRP-6T Bridge & Double Star Rectifiers FRIEM DRP-6T Bridge & Double Star Rectifiers The DRP-Line concept is derived from the former line of FRIEM Analog Regulators REGAS, but has been developed on a state o...

    Fujian, China
  • Trusted Seller
    DSQC249A 3HAA3563-AHA/2 | ABB Rectifier

    DSQC249A 3HAA3563-AHA/2 | ABB Rectifier Unit

    • Manufacturer: ABB
    • Model: 3HAA

    ABB DSQC249A 3HAA3563-AHA/2 Rectifier Unit ABB DSQC249A 3HAA3563-AHA/2 Rectifier Unit Catalog Description:Rectifier DSQC249A

    Fujian, China
  • Trusted Seller
    DSQC314A 3HAB2215-1| ABB Rectifier Dc-Link

    DSQC314A 3HAB2215-1| ABB Rectifier Dc-Link

    • Manufacturer: ABB
    • Model: 3HAB

    ABB DSQC314A 3HAB2215-1 Rectifier Dc-Link ABB DSQC314A 3HAB2215-1 Rectifier Dc-Link Descripción detallada: DSQC314A : POWER SUPPLY MOTOR

    Fujian, China
  • Trusted Seller
    DSQC345C | ABB RECTIFIER

    DSQC345C | ABB RECTIFIER

    • Manufacturer: ABB
    • Model: DSQC

    ABB DSQC345C RECTIFIER ABB DSQC345C RECTIFIER Catalog Description:RECTIFIER DC2

    Fujian, China
  • Trusted Seller
    DSQC345E | ABB Rectifier

    DSQC345E | ABB Rectifier

    • Manufacturer: ABB
    • Model: DSQC

    ABB DSQC345E Rectifier ABB DSQC345E Rectifier Produktname:DSQC 345E,RECTIFIER DC4

    Fujian, China
  • Trusted Seller
    DSQC 249B 3HAA3563-AHA | ABB

    DSQC 249B 3HAA3563-AHA | ABB Rectifier

    • Manufacturer: ABB
    • Model: 3HAA

    ABB DSQC 249B 3HAA3563-AHA Rectifier ABB DSQC 249B 3HAA3563-AHA Rectifier Catalog Description:Rectifier DSQC 249B

    Fujian, China
  • Trusted Seller
    DSQC 345D 6369901-463 | ABB

    DSQC 345D 6369901-463 | ABB RECTIFIER

    • Manufacturer: ABB
    • Model: DSQC

    ABB DSQC 345D 6369901-463 RECTIFIER ABB DSQC 345D 6369901-463 RECTIFIER ABB Type Designation:DSQC 345D*

    Fujian, China
  • Trusted Seller
    SIEMESN 169800 Brake Rectifier

    SIEMESN 169800 Brake Rectifier

    • Manufacturer: Siemens

    Brake Rectifier SIEMENS 169800 Brake Rectifier In stock ready to ship 169800 Brake Rectifier Reverse-bias mode repeated pulses voltage Vrrm: 1500 V Manufacturer: Siemens Type: Brake rectifier Part No.: 169800 Rev...

    Fujian, China
  • Trusted Seller
    DSQC 249A 3E041641 | ABB

    DSQC 249A 3E041641 | ABB Rectifier

    • Manufacturer: ABB
    • Model: DSQC

    ABB DSQC 249A 3E041641 Rectifier ABB DSQC 249A 3E041641 Rectifier The ABB GME DSQC Series Rectifiers consist of a three-phase, six pulse diode bridge, a reservoir capacitor, a shunt regulator, and control electro...

    Fujian, China
  • Trusted Seller
    DSQC 249A 3HAA3563-AGA | ABB

    DSQC 249A 3HAA3563-AGA | ABB Rectifier

    • Manufacturer: ABB
    • Model: 3HAA

    ABB DSQC 249A 3HAA3563-AGA Rectifier ABB DSQC 249A 3HAA3563-AGA Rectifier The ABB GME DSQC Series Rectifiers consist of a three-phase, six pulse diode bridge, a reservoir capacitor, a shunt regulator, and control...

    Fujian, China
  • Trusted Seller
    DSQC249B 3HAA3563-AHA/2 | ABB Rectifier

    DSQC249B 3HAA3563-AHA/2 | ABB Rectifier Unit

    • Manufacturer: ABB
    • Model: 3HAA

    ABB DSQC249B 3HAA3563-AHA/2 Rectifier Unit ABB DSQC249B 3HAA3563-AHA/2 Rectifier Unit Catalog Description:Rectifier DSQC249A

    Fujian, China
  • Trusted Seller
    DSQC 249B 6369901-217 | ABB

    DSQC 249B 6369901-217 | ABB Rectifier

    • Manufacturer: ABB
    • Model: DSQC

    ABB DSQC 249B 6369901-217 Rectifier ABB DSQC 249B 6369901-217 Rectifier S3, S4, TRALLFA, DSQC249B, Rectifier Unit, 3HAA3563-AHA/1

    Fujian, China
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Overview

Rectifiers convert alternating current (AC) to direct current (DC) using diodes, SCRs or bridge assemblies. They come as discrete modules, rack-mounted units, or integrated power supplies for industrial applications. Rectifiers are used in welding, electroplating, battery charging, and DC motors, and vary by voltage, current rating, cooling method, and control features. Buyers check specifications, cooling, and protection features to match load and environment.

FAQ

What should I consider when buying a rectifier?

Verify output voltage and current ratings, duty cycle, form factor, cooling method, control features and protection (overvoltage/overcurrent). Ask for test reports, maintenance history and spare parts availability.

How do I ensure safe shipping of a rectifier?

Secure and palletize the unit, protect terminals and cooling openings, use vibration and moisture protection, label heavy loads and choose a carrier experienced with electrical equipment and local regulations.

What regular maintenance does a rectifier need?

Keep cooling paths clean, inspect and service fans/heatsinks, check connections and fuses, measure output voltage/ripple periodically, and replace worn diodes/SCRs or aging capacitors as needed.