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Used Cooper Rectifiers

  • 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
  • COOPER BUSSMANN,KLC10,RECTIFIER 10 AMP FUSE

    COOPER BUSSMANN,KLC10,RECTIFIER 10 AMP FUSE LOT OF 5 NOS

    • Manufacturer: Cooper

    COOPER BUSSMANN,KLC10,RECTIFIER 10 AMP FUSE LOT OF 5 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...

    $30 USD
    Houston, TX
  • COOPER BUSSMANN,KAC-100,RECTIFIER FUSE 100 AMP

    COOPER BUSSMANN,KAC-100,RECTIFIER FUSE 100 AMP PRE-OWNED

    • Manufacturer: Cooper

    COOPER BUSSMANN,KAC-100,RECTIFIER FUSE 100 AMP PRE-OWNED 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...

    $10 USD
    Houston, TX
  • BUSSMANN,KAB400,RECTIFIER FUSE 500A 250V

    BUSSMANN,KAB400,RECTIFIER FUSE 500A 250V

    • Manufacturer: Cooper

    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 be included with the item. 30-Day Easy Returns ...

    $10 USD
    Houston, TX
  • no-image_en.png

    864 KVA, 13,800 VOLT PRI, 665V DELTA / 665Y VOLT SEC, COOPER, OUTDOOR RECTIFIER TRANSFORMER

    • Manufacturer: Cooper

    Inventory id: 13082100000 | Rating: 864 | Primary voltage: 13,800 | Secondary voltage: 665 DELTA / 665 Y | Phase: 3 | Hertz: 60

    Pittsburgh, PA
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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.