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Used Square D Switches

  • Trusted Seller
    SQUARE D EK1020-1 Electrical Interlock

    SQUARE D EK1020-1 Electrical Interlock Safety Switch Kit NEW

    • Manufacturer: Square D

    This listing is for a NEW Square D EK1020-1. It is designed for use as an electrical interlock in safety switch applications. This unit is categorized as a safety switch accessory and includes the following capab...

    $300 USD
    Detroit, MI
  • SQUARE D,9999R-12,ELECTRICAL INTERLOCK NOS

    SQUARE D,9999R-12,ELECTRICAL INTERLOCK NOS

    • Manufacturer: Square D

    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 ...

    $20 USD
    Galion, OH
  • SQUARE D,9999DT-1,ELECTRICAL INTERLOCK NOS

    SQUARE D,9999DT-1,ELECTRICAL INTERLOCK NOS

    • Manufacturer: Square D

    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
    Galion, OH
  • SQUARE D,9999 BC-2,ELECTRIC INTERLOCK KIT

    SQUARE D,9999 BC-2,ELECTRIC INTERLOCK KIT NOS

    • Manufacturer: Square D

    SQUARE D,9999 BC-2,ELECTRIC INTERLOCK KIT 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...

    $20 USD
    Galion, OH
  • SQUARE D,R-12,ELECTRICAL INTERLOCK CLASS 9999

    SQUARE D,R-12,ELECTRICAL INTERLOCK CLASS 9999 NOS

    • Manufacturer: Square D

    SQUARE D,R-12,ELECTRICAL INTERLOCK CLASS 9999 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 n...

    $55 USD
    Galion, OH
  • SQUARE D,9999 BC-3,ELECTRIC INTERLOCK KIT

    SQUARE D,9999 BC-3,ELECTRIC INTERLOCK KIT NOS

    • Manufacturer: Square D

    SQUARE D,9999 BC-3,ELECTRIC INTERLOCK KIT 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...

    $20 USD
    Galion, OH
  • SQUARE D,EK-300-1,ELECTRICAL INTERLOCK CLASS 9007

    SQUARE D,EK-300-1,ELECTRICAL INTERLOCK CLASS 9007 MISSING BOX

    • Manufacturer: Square D

    SQUARE D,EK-300-1,ELECTRICAL INTERLOCK CLASS 9007 MISSING BOX 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 th...

    $15 USD
    Galion, OH
  • SQUARE D,EK-306-1,ELECTRICAL INTERLOCK FOR 60

    SQUARE D,EK-306-1,ELECTRICAL INTERLOCK FOR 60 AMP SWITCH 12254 NEW

    • Manufacturer: Square D

    SQUARE D,EK-306-1,ELECTRICAL INTERLOCK FOR 60 AMP SWITCH 12254 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 phot...

    $18 USD
    Galion, OH
  • Trusted Seller
    Square D Heavy Duty Safety

    Square D Heavy Duty Safety Switch, 30 A

    • Manufacturer: Square D

    Square D Heavy Duty Safety Switch, 30 A Used Square D Heavy duty safety switch, rated for 240 VAC or 250 VDC, 30 A max current, stainless steel construction, on wheels.

    Cleveland, OH
  • SQUARE D,84580,ELECTRICAL INTERLOCK CLASS 9999

    SQUARE D,84580,ELECTRICAL INTERLOCK CLASS 9999 TYPE R-12 NOS

    • Manufacturer: Square D

    SQUARE D,84580,ELECTRICAL INTERLOCK CLASS 9999 TYPE R-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 the...

    $55 USD
    Galion, OH
  • Trusted Seller
    Square D Vacuum Switch -

    Square D Vacuum Switch - 9016gvg1j99r

    • Manufacturer: Square D

    Ser C, Made In Mexico Name: Vacuum Switch | Arrival date: 09-06-2025 | Dimensions l x w x h (inches): 11 x 9 x 7 | Weight (lb.): 4 | Available quantity: 1

    $53 USD
    Euclid, OH
  • Trusted Seller
    SQUARE D HU365 RAIL SWITCH

    SQUARE D HU365 RAIL SWITCH

    • Manufacturer: Square D

    SQUARE D HU365 rail switch, used condition, from the trusted manufacturer SQUARE D. Ideal for industrial applications requiring reliable switchgear.

    $600 USD
    Detroit, MI
  • Trusted Seller
    Square D Disconnect Switch Rod,

    Square D Disconnect Switch Rod, Qty: 2, - 9422r2

    • Manufacturer: Square D

    New, Disconnect Switch Rod, Qty: 2, For Use With Gs2 Fusible And Lk4 Nonfusible Disconnect Switches, Made In Mexico

    $50 USD
    Euclid, OH
  • Trusted Seller
    Square D 400 Amps Heavy

    Square D 400 Amps Heavy Duty Safety Switch - H365n

    • Manufacturer: Square D
    • Model: H365

    400 A, Torque 550 Lbs Name: Heavy Duty Safety Switch | Arrival date: 10-23-2025 | Dimensions l x w x h (inches): 51 x 28 x 14 | Capacity: 400 AMPS | Electrical: 3/50/60/240/480/600 | Weight (lb.): 200 | Available...

    $1,274 USD
    Euclid, OH
  • Trusted Seller
    Square D 400 Amps Heavy

    Square D 400 Amps Heavy Duty Safety Switch - H365n

    • Manufacturer: Square D
    • Model: H365

    400 A, Torque 550 Lbs Name: Heavy Duty Safety Switch | Arrival date: 10-23-2025 | Dimensions l x w x h (inches): 51 x 28 x 14 | Capacity: 400 AMPS | Electrical: 3/50/60/240/480/600 | Weight (lb.): 200 | Available...

    $1,274 USD
    Euclid, OH
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Overview

Switches are essential components in electrical and networking systems, used to control the flow of electricity or data between devices. In networking, they connect multiple devices on a local area network (LAN) and manage data traffic to ensure efficient communication. They come in various types, including managed and unmanaged switches, and are crucial for maintaining robust and scalable network infrastructure.

FAQ

What should I consider when buying a used switch?

Check the switch's compatibility with your existing network, its port count, speed, and whether it is managed or unmanaged. Also, inspect the condition and request any available maintenance records.

How do I ensure the switch is shipped safely to my location?

Use proper packaging materials to protect the switch from static and physical damage during transit. Opt for a reputable shipping service that specializes in handling electronic equipment.

What maintenance is required for a switch?

Regular maintenance includes cleaning the switch to prevent dust buildup, checking for firmware updates, monitoring performance, and ensuring proper ventilation to avoid overheating.