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Used Cooper Rectifiers

  • COOPER BUSSMANN,KAA-20,RECTIFIER FUSES LOT OF

    COOPER BUSSMANN,KAA-20,RECTIFIER FUSES LOT OF 11 NOS

    • Manufacturer: Cooper

    COOPER BUSSMANN KAA-20 RECTIFIER FUSES..LOT OF 11..NOS What's Included? See photos. We try our best to provide full details of each item and any included accessories, but if it's not shown in the photos then it w...

    $55 USD
    Galion, OH
  • COOPER BUSSMANN,KAC-60,RECTIFIER 60 AMP FUSE

    COOPER BUSSMANN,KAC-60,RECTIFIER 60 AMP FUSE LOT OF 6 NOS

    • Manufacturer: Cooper

    COOPER BUSSMANN,KAC-60,RECTIFIER 60 AMP FUSE LOT OF 6 NOS What's Included? See photos. We try our best to provide full details of each item and any included accessories, but if it's not shown in the photos then i...

    $35 USD
    Galion, OH
  • COOPER BUSSMANN,KAA-1/2,RECTIFIER FUSES LOT OF

    COOPER BUSSMANN,KAA-1/2,RECTIFIER FUSES LOT OF 10 NOS

    • Manufacturer: Cooper

    COOPER BUSSMANN KAA-1/2 RECTIFIER FUSES..LOT OF 10..NOS What's Included? See photos. We try our best to provide full details of each item and any included accessories, but if it's not shown in the photos then it ...

    $35 USD
    Galion, OH
  • COOPER BUSSMANN,KAA 25,RECTIFIER 25 AMP

    COOPER BUSSMANN,KAA 25,RECTIFIER 25 AMP FUSES BOX OF 10 NOS

    • Manufacturer: Cooper

    COOPER BUSSMANN,KAA 25,RECTIFIER 25 AMP FUSES BOX OF 10 NOS What's Included? See photos. We try our best to provide full details of each item and any included accessories, but if it's not shown in the photos then...

    $50 USD
    Galion, OH
  • COOPER BUSSMANN,KAB-30,RECTIFIER 30 AMP FUSE

    COOPER BUSSMANN,KAB-30,RECTIFIER 30 AMP FUSE LOT OF 2 NOS

    • Manufacturer: Cooper

    COOPER BUSSMANN,KAB-30,RECTIFIER 30 AMP FUSE LOT OF 2 NOS What's Included? See photos. We try our best to provide full details of each item and any included accessories, but if it's not shown in the photos then i...

    $15 USD
    Galion, OH
  • COOPER BUSSMANN,KAB-30,RECTIFIER 30 AMP FUSES

    COOPER BUSSMANN,KAB-30,RECTIFIER 30 AMP FUSES BOX OF 9 NOS

    • Manufacturer: Cooper

    COOPER BUSSMANN,KAB-30,RECTIFIER 30 AMP FUSES BOX OF 9 NOS What's Included? See photos. We try our best to provide full details of each item and any included accessories, but if it's not shown in the photos then ...

    $45 USD
    Galion, OH
  • COOPER BUSSMANN,KAX-20,RECTIFIER 20 AMP FUSE

    COOPER BUSSMANN,KAX-20,RECTIFIER 20 AMP FUSE LOT OF 2 NOS

    • Manufacturer: Cooper

    COOPER BUSSMANN,KAX-20,RECTIFIER 20 AMP FUSE LOT OF 2 NOS What's Included? See photos. We try our best to provide full details of each item and any included accessories, but if it's not shown in the photos then i...

    $15 USD
    Galion, OH
  • Cooper Bussmann,KAB-250,Rectifier Fuse 250A 250V

    Cooper Bussmann,KAB-250,Rectifier Fuse 250A 250V Lot Of 3 NOS

    • Manufacturer: Cooper

    New in original boxes, boxes are dirty from storage. Lot of 3. NOS. Please see pictures for details and condition. You will receive what’s in the pictures. If we have multiples of the same item, the pictures may ...

    $40 USD
    Galion, OH
  • COOPER BUSSMANN,KAB450,RECTIFIER FUSE LOT OF

    COOPER BUSSMANN,KAB450,RECTIFIER FUSE LOT OF 21 NOS

    • Manufacturer: Cooper

    NEW UNUSED!!..LOT OF 21 FUSES....NOS PLEASE SEE PICTURES FOR DETAILS AND CONDITION..YOU WILL RECIEVE WHAT IS IN THE PICTURES...IF WE HAVE MULTIPLES OF THE SAME ITEM,THE PICTURE MAY DIFFER...PLEASE REVIEW THE PICT...

    $340 USD
    Galion, OH
  • COOPER BUSSMANN,KBH 50,RECTIFIER FUSES LOT

    COOPER BUSSMANN,KBH 50,RECTIFIER FUSES LOT OF 12 NOS

    • Manufacturer: Cooper

    COOPER BUSSMANN KBH 50 RECTIFIER FUSES..LOT OF 12..NOS What's Included? See photos. We try our best to provide full details of each item and any included accessories, but if it's not shown in the photos then it w...

    $100 USD
    Galion, OH
  • COOPER BUSSMANN,KAA-1,RECTIFIER FUSES LOT OF

    COOPER BUSSMANN,KAA-1,RECTIFIER FUSES LOT OF 11 NOS

    • Manufacturer: Cooper

    COOPER BUSSMANN KAA-1 RECTIFIER FUSES..LOT OF 11..NOS What's Included? See photos. We try our best to provide full details of each item and any included accessories, but if it's not shown in the photos then it wi...

    $45 USD
    Galion, OH
  • COOPER BUSSMANN,KAW-7,RECTIFIER FUSES LOT OF

    COOPER BUSSMANN,KAW-7,RECTIFIER FUSES LOT OF 8 NOS

    • Manufacturer: Cooper

    COOPER BUSSMANN KAW-7 RECTIFIER FUSES..LOT OF 8..NOS What's Included? See photos. We try our best to provide full details of each item and any included accessories, but if it's not shown in the photos then it wil...

    $20 USD
    Galion, OH
  • COOPER BUSSMANN,KAB600,RECTIFIER 600 AMP FUSE

    COOPER BUSSMANN,KAB600,RECTIFIER 600 AMP FUSE NEW

    • Manufacturer: Cooper

    COOPER BUSSMANN,KAB600,RECTIFIER 600 AMP FUSE NEW What's Included? See photos. We try our best to provide full details of each item and any included accessories, but if it's not shown in the photos then it will n...

    $35 USD
    Galion, OH
  • COOPER BUSSMANN,KAB-125,RECTIFIER FUSES BOX OF

    COOPER BUSSMANN,KAB-125,RECTIFIER FUSES BOX OF 7 NOS

    • Manufacturer: Cooper

    NEW UNUSED!!..BOX OF 5....NOS PLEASE SEE PICTURES FOR DETAILS AND CONDITION..YOU WILL RECIEVE WHAT IS IN THE PICTURES...IF WE HAVE MULTIPLES OF THE SAME ITEM,THE PICTURE MAY DIFFER...PLEASE REVIEW THE PICTURES TO...

    $65 USD
    Galion, OH
  • COOPER BUSSMANN,KAC 40,RECTIFIER 40 AMP

    COOPER BUSSMANN,KAC 40,RECTIFIER 40 AMP FUSES LOT OF 8 NOS

    • Manufacturer: Cooper

    COOPER BUSSMANN,KAC 40,RECTIFIER 40 AMP FUSES LOT OF 8 NOS What's Included? See photos. We try our best to provide full details of each item and any included accessories, but if it's not shown in the photos then ...

    $70 USD
    Galion, OH
123

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.