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Used Rectifiers

  • 6000 Amp Dynapower 15 Volt

    6000 Amp Dynapower 15 Volt Rectifier R3361

    • Manufacturer: Dynapower

    Description: Used Rectifier | Amps: 6000 | Amps range: 5000-8999 | Volts: 15 | Input volts: 460 | Cooling: Air | Controls: Remote | Dimensions: 45"L x 45"W x 74"H | Phase: 3 | Kw: 90 | Input-amps: 154

    $27,000 USD

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    Est. $508/mo

    Oceanside, CA
  • 1500 Amp SASSC 9 Volt

    1500 Amp SASSC 9 Volt Rectifier R3417

    • Manufacturer: Sassc

    Tested by: TJ | Description: Used Rectifier | Amps: 1500 | Amps range: 1000-4999 | Volts: 9 | Input volts: 460 | Cooling: Water | Controls: Remote | Dimensions: 41"L x 27"W x 64"H | Phase: 3 | Input-amps: 24

    $10,500 USD

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    Est. $206/mo

    Oceanside, CA
  • 300 Amp Rapid 75 Volt

    300 Amp Rapid 75 Volt Rectifier R3404

    • Manufacturer: Rapid

    Tested by: TJ | Description: Used Rectifier | Amps: 300 | Amps range: 0-999 | Volts: 75 | Input volts: 480 | Cooling: Air | Controls: On Cabinet | Dimensions: 31"L x 31"W x 54"H | Phase: 3 | Input-amps: 35

    $11,500 USD

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    Est. $226/mo

    Oceanside, CA
  • 1000 Amp SASSC 9 Volt

    1000 Amp SASSC 9 Volt Rectifier R3413

    • Manufacturer: Sassc

    Tested by: TJ | Description: Used Rectifier | Amps: 1000 | Amps range: 1000-4999 | Volts: 9 | Input volts: 460 | Cooling: Water | Controls: Remote | Dimensions: 41"L x 27"W x 64"H | Phase: 3 | Input-amps: 21

    $10,000 USD

    Get financing

    Est. $196/mo

    Oceanside, CA
  • 500 Amp SASSC 6 Volt

    500 Amp SASSC 6 Volt Rectifier R3412

    • Manufacturer: Sassc

    Tested by: TJ | Description: Used Rectifier | Amps: 500 | Amps range: 0-999 | Volts: 6 | Input volts: 460 | Cooling: Water | Controls: Remote | Dimensions: 38"L x 35"W x 51"H | Phase: 3 | Input-amps: 7.5

    $3,250 USD
    Oceanside, CA
  • 3000 Amp SASSC 6 Volt

    3000 Amp SASSC 6 Volt Rectifier R3416

    • Manufacturer: Sassc

    Tested by: TJ | Description: Used Rectifier | Amps: 3000 | Amps range: 1000-4999 | Volts: 6 | Input volts: 460 | Cooling: Water | Controls: Remote | Dimensions: 41"L x 27"W x 64"H | Phase: 3 | Input-amps: 34

    $12,000 USD

    Get financing

    Est. $236/mo

    Oceanside, CA
  • 1500 Amp PEC 9 Volt

    1500 Amp PEC 9 Volt Rectifier R3421

    • Manufacturer: PEC

    Tested by: TJ | Description: Used Rectifier | Amps: 1500 | Amps range: 1000-4999 | Volts: 9 | Input volts: 460 | Cooling: Water | Controls: Remote | Dimensions: 41"L x 27"W x 64"H | Phase: 3 | Input-amps: 24

    $10,500 USD

    Get financing

    Est. $206/mo

    Oceanside, CA
  • 1000 Amp Rapid 9 Volt

    1000 Amp Rapid 9 Volt Rectifier R3439

    • Manufacturer: Rapid

    Tested by: TJ | Description: Used Rectifier | Amps: 1000 | Amps range: 1000-4999 | Volts: 9 | Input volts: 460 | Cooling: Air | Controls: Remote | Dimensions: 46"L x 29"W x 60"H | Phase: 3 | Kw: 9 | Input-amps: ...

    $10,000 USD

    Get financing

    Est. $196/mo

    Oceanside, CA
  • 2000 Amp Udylite PEC 12

    2000 Amp Udylite PEC 12 Volt Rectifier R3446

    • Manufacturer: Udylite

    Tested by: TJ | Description: Used Rectifier | Amps: 2000 | Amps range: 1000-4999 | Volts: 12 | Input volts: 460 | Cooling: Air | Controls: Remote | Dimensions: 23"L x 34"W x 69"H | Phase: 3 | Input-amps: 41

    $13,500 USD

    Get financing

    Est. $265/mo

    Oceanside, CA
  • 2000 Amp Udylite PEC 12

    2000 Amp Udylite PEC 12 Volt Rectifier R3442

    • Manufacturer: Udylite

    Tested by: TJ | Description: Used Rectifier | Amps: 2000 | Amps range: 1000-4999 | Volts: 12 | Input volts: 460 | Cooling: Air | Controls: Remote | Dimensions: 23"L x 34"W x 69"H | Phase: 3 | Input-amps: 41

    $13,500 USD

    Get financing

    Est. $265/mo

    Oceanside, CA
  • 400 Amp Aldonex 18 Volt

    400 Amp Aldonex 18 Volt Rectifier R3369

    • Manufacturer: Aldonex
    • Model: T-418-4CRF-CCV

    Description: Used Rectifier | Amps: 400 | Volts: 18 | Input volts: 480 | Cooling: Air | Controls: Remote | Dimensions: 24"L x 32"W x 45"H | Phase: 3 | Kw: 7.2 | Input-amps: 14

    $5,750 USD

    Get financing

    Est. $113/mo

    Oceanside, CA
  • 400 Amp Aldonex 18 Volt

    400 Amp Aldonex 18 Volt Rectifier R3371

    • Manufacturer: Aldonex
    • Model: T-418-4CRF-CCV

    Description: Used Rectifier | Amps: 400 | Volts: 18 | Input volts: 480 | Cooling: Air | Controls: Remote | Dimensions: 24"L x 32"W x 45"H | Phase: 3 | Kw: 7.2 | Input-amps: 14

    $5,750 USD

    Get financing

    Est. $113/mo

    Oceanside, CA
  • 1000 Amp Rapid 18 Volt

    1000 Amp Rapid 18 Volt Rectifier R3383

    • Manufacturer: Rapid

    Tested by: TJ | Description: Used Rectifier | Amps: 1000 | Amps range: 1000-4999 | Volts: 18 | Input volts: 460 | Cooling: Water | Controls: Remote | Dimensions: 28"L x 45"W x 60"H | Phase: 3 | Kw: 18 | Input-am...

    $12,500 USD

    Get financing

    Est. $246/mo

    Oceanside, CA
  • 8000 Amp DC Systems 6

    8000 Amp DC Systems 6 Volt Rectifier R3375

    • Manufacturer: DC Systems

    Description: Used Rectifier | Amps: 8000 | Amps range: 5000-8999 | Volts: 6 | Input volts: 480 | Cooling: Water | Controls: Remote | Dimensions: 64"L x 50"W x 73"H | Phase: 3 | Kw: 75 | Input-amps: 90

    $17,950 USD

    Get financing

    Est. $353/mo

    Oceanside, CA
  • 1500 Amp Clinton 3-12 Volt

    1500 Amp Clinton 3-12 Volt Rectifier R3376

    • Manufacturer: Clinton

    Tested by: TJ | Description: Used Rectifier | Amps: 1500 | Amps range: 1000-4999 | Volts: 12 | Input volts: 208 | Cooling: Air | Controls: Tap Switch | Dimensions: 26"L x 42"W x 54"H | Phase: 3 | Kw: 18 | Input-...

    $12,000 USD

    Get financing

    Est. $236/mo

    Oceanside, CA
3839404142

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.