Surplus Electrical Components For Sale

Contactors, circuit breakers, relays, motor starters, light curtains, and sensors from Allen-Bradley, Siemens, ABB, Eaton, SICK, and Keyence — new-surplus and used stock.

Available Electrical Components

What We Stock

Contactors & Starters
Circuit Breakers
Control & Safety Relays
Light Curtains
Photoelectric Sensors
Proximity Sensors
Push Buttons & Pilot Lights
Terminal Blocks
Disconnect Switches
Power Supplies

Why Buy Surplus Electrical Components?

Electrical distributors stock what sells this year — not the breaker frame or contactor series your 15-year-old panel was built with. The surplus market exists precisely for those discontinued and long-lead components, usually well below list price even for current production parts.

Much of our stock is new-surplus from panel shops and project overruns: unused components in original packaging. Used components are pulled from working panels during decommissioning. Either way, you get the exact catalog number your drawings call for.

  • Exact catalog-number matches for legacy panels
  • New-surplus stock in original packaging
  • Lower cost than distributor pricing
  • Volume discounts on lot purchases

Popular Component Categories

Contactors, Starters & Overloads

Allen-Bradley 100/500-series, Siemens, ABB, and Eaton contactors and starters from miniature to NEMA Size 5, with matching overload relays.

Circuit Breakers & Disconnects

Molded-case and motor-protection breakers from Square D, Eaton, Siemens, and ABB — including obsolete frames no longer in distribution.

Safety Devices & Sensors

SICK and Banner light curtains, safety relays, e-stops, and Keyence/Omron sensors for machine guarding and automation retrofits.

Frequently Asked Questions About Surplus Electrical Components

Common questions about buying surplus electrical parts

What does 'new-surplus' mean for electrical components?

New-surplus components were purchased for projects or stocked as spares but never installed — unused, usually in original packaging. They offer new-part reliability at surplus pricing. Every listing states whether the part is new-surplus or used.

Can you find obsolete breakers and contactors?

That's our specialty. When a legacy panel needs an exact-frame breaker or a discontinued contactor series, distributors can't help — surplus stock can. Send the catalog number from the part label or panel schedule and we'll check stock or source it through our network, usually within a day or two.

Are used electrical components safe to install?

Check listing photos for contact wear, cracked housings, and heat damage. For protective devices like breakers, many customers reserve used parts for non-critical circuits and choose new-surplus for protection-critical applications — we stock both and label condition clearly.

Do you sell in bulk or by lot?

Yes. Panel shops and maintenance departments regularly buy mixed lots — e.g., 50 assorted contactors or a bin of terminal blocks — at lot pricing well below per-piece rates. Tell us what families and quantities you need and we'll quote a package.

Do you buy electrical surplus?

We buy panel shop overstock, MRO crib inventories, and components recovered from decommissioned panels — especially Allen-Bradley, Siemens, and SICK/Keyence safety hardware. A spreadsheet or shelf photos are enough for an initial offer.

Have Electrical Surplus to Sell?

We buy panel shop overstock, MRO inventories, and decommissioned panel components — single shelves to full storerooms.

Surplus Electrical Components | Contactors, Breakers, Relays & Safety Devices | Robots Trading Inc.