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Used Rapid Rectifiers

  • 2000 Amp Rapid 12 Volt

    2000 Amp Rapid 12 Volt Reversing Rectifier R3316

    • Manufacturer: Rapid

    Tested by: TJ | Description: Used Rectifier | Amps: 2000 | Amps range: 1000-4999 | Volts: 12 | Input volts: 220 | Cooling: Air | Controls: Remote | Dimensions: 42"L x 29"W x 61"H | Phase: 3 | Kw: 24 | Input-amps...

    $17,500 USD

    Get financing

    Est. $344/mo

    Oceanside, CA
  • 2000 Amp Rapid 1-12 Volt

    2000 Amp Rapid 1-12 Volt Rectifier R3438

    • Manufacturer: Rapid

    Tested by: TJ | Description: Used Rectifier | Amps: 2000 | Amps range: 1000-4999 | Volts: 12 | Input volts: 480 | Cooling: Air | Controls: Tap Switch | Dimensions: 29"L x 35"W x 60"H | Phase: 3 | Kw: 24 | Input-...

    $13,500 USD

    Get financing

    Est. $265/mo

    Oceanside, CA
  • 50 Amp Rapid 12 Volt

    50 Amp Rapid 12 Volt Rack Mount Switch Mode Rectifier R3522

    • Manufacturer: Rapid

    \n \n \n \n \n \n Description: Used Rectifier | Amps: 50 | Amps range: 0-999 | Volts: 12 | Input volts: 125 | Cooling: Air | Controls: On Cabinet | Dimensions: 22"L x 19"W x 5"H | Phase: 1 | Input-amps: 7

    $1,975 USD
    Oceanside, CA
  • Trusted Seller
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    3000 Amp Rapid 12 Volt Rectifier R3502

    • Manufacturer: Rapid

    Weight: 1100 lbs | Description: Used Rectifier | Amps: 3000 | Volts: 12 | Input volts: 480 | Cooling: Water | Controls: On Cabinet | Dimensions: 38"L x 38"W x 44"H | Phase: 3 | Kw: 36 | Input-amps: 63

    $15,500 USD

    Get financing

    Est. $304/mo

    Sparta, MI
  • Trusted Seller
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    3000 Amp Rapid 12 Volt Rectifier R3508

    • Manufacturer: Rapid

    Weight: 1100 lbs | Description: Used Rectifier | Amps: 3000 | Volts: 12 | Input volts: 480 | Cooling: Water | Controls: On Cabinet | Dimensions: 38"L x 38"W x 44"H | Phase: 3 | Kw: 36 | Input-amps: 63

    $15,500 USD

    Get financing

    Est. $304/mo

    Sparta, MI
  • Trusted Seller
    no-image_en.png

    2000 Amp Rapid 12 Volt Rectifier R3419

    • Manufacturer: Rapid

    Filtered. 2000 Amp Rapid 12 Volt Rectifier R3419 Weight: 930 lbs | Tested by: TJ | Description: Used Rectifier | Amps: 2000 | Volts: 12 | Input volts: 480 | Cooling: Air | Controls: Remote | Dimensions: 39"L x 29...

    $13,500 USD

    Get financing

    Est. $265/mo

    Sparta, MI
  • no-image_en.png

    3000 Amp Rapid 12 Volt Rectifier R3508

    • Manufacturer: Rapid

    \n \n \n \n \n \n Description: Used Rectifier | Amps: 3000 | Amps range: 1000-4999 | Volts: 12 | Input volts: 480 | Cooling: Water | Controls: On Cabinet | Dimensions: 38"L x 38"W x 44"H | Phase: 3 | Kw: 36 | Inp...

    $15,500 USD

    Get financing

    Est. $304/mo

    Oceanside, CA
  • no-image_en.png

    2000 Amp Rapid 12 Volt Rectifier R3419

    • Manufacturer: Rapid

    Tested by: TJ | Description: Used Rectifier | Amps: 2000 | Amps range: 1000-4999 | Volts: 12 | Input volts: 480 | Cooling: Air | Controls: Remote | Dimensions: 39"L x 29"W x 60"H | Phase: 3 | Kw: 24 | Input-amps...

    $13,500 USD

    Get financing

    Est. $265/mo

    Oceanside, CA
  • no-image_en.png

    3000 Amp Rapid 12 Volt Rectifier R3502

    • Manufacturer: Rapid

    \n \n \n \n \n \n Description: Used Rectifier | Amps: 3000 | Amps range: 1000-4999 | Volts: 12 | Input volts: 480 | Cooling: Water | Controls: On Cabinet | Dimensions: 38"L x 38"W x 44"H | Phase: 3 | Kw: 36 | Inp...

    $15,500 USD

    Get financing

    Est. $304/mo

    Oceanside, CA
34567

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.