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Used Cooper Rectifiers

  • 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
  • COOPER BUSSMANN,KAB-125,RECTIFIER 125 AMP FUSES

    COOPER BUSSMANN,KAB-125,RECTIFIER 125 AMP FUSES BOX OF 10 NOS

    • Manufacturer: Cooper

    NEW UNUSED!!..BOX OF 10....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 T...

    $100 USD
    Galion, OH
  • COOPER BUSSMANN,KAB-15,RECTIFIER 15 AMP FUSES

    COOPER BUSSMANN,KAB-15,RECTIFIER 15 AMP FUSES LOT OF 5 NOS

    • Manufacturer: Cooper

    NEW UNUSED!!..LOT 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...

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

    Cooper Bussmann,KAB-250,Rectifier Fuse 250A 250V Lot Of 6 NOS

    • Manufacturer: Cooper

    New in original box. Boxes are dirty from storage. Lot of 6. 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 di...

    $90 USD
    Galion, OH
  • COOPER BUSSMANN,KAC-15,RECTIFIER 15 AMP FUSE

    COOPER BUSSMANN,KAC-15,RECTIFIER 15 AMP FUSE LOT OF 20 NOS

    • Manufacturer: Cooper

    COOPER BUSSMANN,KAC-15,RECTIFIER 15 AMP FUSE LOT OF 20 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 ...

    $100 USD
    Galion, OH
  • COOPER BUSSMANN,KAB 450,TRON RECTIFIER FUSES

    COOPER BUSSMANN,KAB 450,TRON RECTIFIER FUSES LOT OF 20 NOS

    • Manufacturer: Cooper

    NEW UNUSED!!...LOT OF 20 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...

    $240 USD
    Galion, OH
  • BUSSMANN,KAC60,RECTIFIER FUSES LOT OF 7

    BUSSMANN,KAC60,RECTIFIER FUSES LOT OF 7 NOS

    • Manufacturer: Cooper

    BUSSMANN KAC60 RECTIFIER FUSES..LOT OF 7..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 will not b...

    $55 USD
    Galion, OH
  • BUSSMANN,KAX 30,TRON RECTIFIER FUSES 250

    BUSSMANN,KAX 30,TRON RECTIFIER FUSES 250 V 30 Amp Lot Of 11 NOS

    • Manufacturer: Cooper

    New without original box. Lot of 11. 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 differ. Please review the pictu...

    $55 USD
    Galion, OH
  • Bussmann, KBH-60,RECTIFIER FUSES 60 AMP

    Bussmann, KBH-60,RECTIFIER FUSES 60 AMP LOT OF 10 Factory Sealed Box

    • Manufacturer: Cooper

    NEW OLD STOCK. Please see pictures for details. Bin 220

    $100 USD
    Galion, OH
  • Bussmann,KAA 25,Tron Rectifier Fuse NOS

    Bussmann,KAA 25,Tron Rectifier Fuse NOS Box of 10 Lot of 2 boxes

    • Manufacturer: Cooper

    New in original box, NOS, 2 boxes of 10 Fuses, see pictures for details, Room 2 Section E Row 2

    $35 USD
    Galion, OH
  • Trusted Seller
    BUSSMANN KAA-70 RECTIFIER FUSE -

    BUSSMANN KAA-70 RECTIFIER FUSE - SET OF 5 ($60 OBO)

    • Manufacturer: Cooper

    “PRE OWNED, GOOD CONDITION” BUSSMANN TRON KAA70 RECTIFIER FUSE DISCONTINUED BY MANUFACTURER 70 AMP 130 VAC 130 VDC CURRENT LIMITING ***Local deliveries available, simply message us before purchasing so we can pro...

    $60 USD
    Waukesha, WI
  • Trusted Seller
    BUSSMANN KAA-150 RECTIFIER FUSE -

    BUSSMANN KAA-150 RECTIFIER FUSE - SET OF 3 ($36 OBO)

    • Manufacturer: Cooper

    “USED, GOOD CONDITION” BUSSMANN KAA150 RECTIFIER FUSE DISCONTINUED BY MANUFACTURER 150 AMP 130 VAC 130 VDC CURRENT LIMITING ***Local deliveries available, simply message us before purchasing so we can properly ad...

    $36 USD
    Waukesha, WI
  • Trusted Seller
    BUSSMANN KAB-15 RECTIFIER FUSE ($6

    BUSSMANN KAB-15 RECTIFIER FUSE ($6 OBO)

    • Manufacturer: Cooper

    “NEW NO BOX” BUSSMANN KAB15 RECTIFIER FUSE 15 AMP 250 VAC 125 VDC CURRENT LIMITING ***Local deliveries available, simply message us before purchasing so we can properly adjust the listing for you. Please provide ...

    $6 USD
    Waukesha, WI
  • Trusted Seller
    BUSSMANN KAB-25 RECTIFIER FUSE -

    BUSSMANN KAB-25 RECTIFIER FUSE - SET OF 2 ($6 OBO)

    • Manufacturer: Cooper

    “NEW NO BOX” BUSSMANN KAB25 RECTIFIER FUSE 25 AMP 250 VAC 125 VDC CURRENT LIMITING ***Local deliveries available, simply message us before purchasing so we can properly adjust the listing for you. Please provide ...

    $6 USD
    Waukesha, WI
  • Trusted Seller
    BUSSMANN KAX-20 RECTIFIER FUSE -

    BUSSMANN KAX-20 RECTIFIER FUSE - SET OF 7 ($21 OBO)

    • Manufacturer: Cooper

    “NEW NO BOX” BUSSMANN KAX20 RECTIFIER FUSE 20 AMP 250 VAC 125 VDC CURRENT LIMITING ***Local deliveries available, simply message us before purchasing so we can properly adjust the listing for you. Please provide ...

    $21 USD
    Waukesha, WI
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.