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Used Rapid Rectifiers

  • 6000 Amp Rapid 24 Volt

    6000 Amp Rapid 24 Volt Rectifier R3341

    • Manufacturer: Rapid

    Description: Used Rectifier | Amps: 6000 | Amps range: 5000-8999 | Volts: 24 | Input volts: 480 | Cooling: Water | Controls: Remote | Dimensions: 58"L x 48"W x 72"H | Phase: 3 | Kw: 144 | Input-amps: 285

    $28,500 USD

    Get financing

    Est. $536/mo

    Oceanside, CA
  • 1000 Amp Rapid 9 Volt

    1000 Amp Rapid 9 Volt Rectifier R3437

    • 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
  • 3000 Amp Rapid 12 Volt

    3000 Amp Rapid 12 Volt Rectifier R3500

    • 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
  • 3000 Amp Rapid 9 Volt

    3000 Amp Rapid 9 Volt Rectifier R3516

    • Manufacturer: Rapid

    Description: Used Rectifier | Amps: 3000 | Amps range: 1000-4999 | Volts: 9 | Input volts: 480 | Cooling: Water | Controls: On Cabinet | Dimensions: 38"L x 38"W x 44"H | Phase: 3 | Kw: 27 | Input-amps: 50

    $11,500 USD

    Get financing

    Est. $226/mo

    Oceanside, CA
  • 3000 Amp Rapid 12 Volt

    3000 Amp Rapid 12 Volt Rectifier R3501

    • 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
  • 3000 Amp Rapid 12 Volt

    3000 Amp Rapid 12 Volt Rectifier R3503

    • 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
  • 3000 Amp Rapid 12 Volt

    3000 Amp Rapid 12 Volt Rectifier R3504

    • 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
  • 3000 Amp Rapid 12 Volt

    3000 Amp Rapid 12 Volt Rectifier R3507

    • 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
  • 10000 Amp Rapid 12 Volt

    10000 Amp Rapid 12 Volt Rectifier R3526

    • Manufacturer: Rapid

    Description: Used Rectifier | Amps: 10000 | Amps range: 9000 + | Volts: 12 | Input volts: 230 | Cooling: Water | Controls: Remote | Dimensions: 50"L x 60"W x 72"H | Phase: 3

    $41,000 USD

    Get financing

    Est. $772/mo

    Oceanside, CA
  • 10000 Amp Rapid 12 Volt

    10000 Amp Rapid 12 Volt Rectifier R3524

    • Manufacturer: Rapid

    Description: Used Rectifier | Amps: 10000 | Amps range: 9000 + | Volts: 12 | Input volts: 230 | Cooling: Water | Controls: Remote | Dimensions: 50"L x 60"W x 72"H | Phase: 3

    $41,000 USD

    Get financing

    Est. $772/mo

    Oceanside, CA
  • 1500 Amp Rapid 6 Volt

    1500 Amp Rapid 6 Volt Rectifier R3529

    • Manufacturer: Rapid

    Description: Used Rectifier | Amps: 1500 | Amps range: 1000-4999 | Volts: 6 | Input volts: 220 | Cooling: Air | Controls: Remote | Dimensions: 41"L x 25"W x 45"H | Phase: 3

    $9,250 USD

    Get financing

    Est. $182/mo

    Oceanside, CA
  • 4000 Amp Rapid 9 Volt

    4000 Amp Rapid 9 Volt Rectifier R3485

    • Manufacturer: Rapid

    Description: Used Rectifier | Amps: 4000 | Amps range: 5000-8999 | Volts: 9 | Input volts: 220 | Cooling: Air | Controls: Remote | Dimensions: 45"L x 35"W x65"H | Phase: 3 | Kw: 45 | Input-amps: 163

    $15,000 USD

    Get financing

    Est. $295/mo

    Oceanside, CA
  • 1500 Amp Rapid 9 Volt

    1500 Amp Rapid 9 Volt Rectifier R3352

    • Manufacturer: Rapid

    Description: Used Rectifier | Amps: 1500 | Amps range: 1000-4999 | Volts: 9 | Input volts: 460 | Cooling: Water | Controls: Remote | Dimensions: 33"L x 28"W x 44"H | Phase: 3

    $10,500 USD

    Get financing

    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

    Get financing

    Est. $226/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
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.