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Transformers

Transformers — New & Used | Surplus Select

Transformers — New & Used

Transformers are essential electrical components designed to transfer energy between circuits while adjusting voltage levels for efficient power distribution. Available in control, isolation, step-up, and step-down configurations, they ensure safe, stable voltage conversion for equipment, machinery, and facility power systems. Whether used in control panels or heavy-duty applications, transformers deliver reliable, long-lasting performance.

At Surplus Select, we stock a wide selection of new and used OEM transformers from trusted brands such as Square D, Allen-Bradley, Acme, Hammond, Jefferson Electric, and Siemens. Our inventory includes dry-type control transformers, power transformers, and encapsulated units — all offered at surplus pricing with fast U.S. shipping.

Price Match — We match authorized distributors
Price Match — We match any authorized distributor on identical in-stock products, ensuring surplus savings with verified performance.
Trade-In Program — Turn surplus transformers into credit
Trade-In Credit — Have quality new surplus items? Trade them in for store credit toward the components you need.
Fast U.S. Shipping — Same or next business day
Fast U.S. Shipping — Most transformer orders ship same or next business day from our U.S. warehouse to minimize downtime.

Find Your Transformer Fast (Search-First)

  1. Search your part number (e.g., 1497B-BAS, T253515S, 9070T100D1, HS1F500).
  2. No PN? Try specs: “480V to 120V control transformer” or “1 kVA dry-type transformer”.
  3. Need a specific OEM? Add the brand (e.g., Square D 9070 or Allen-Bradley 1497).

Applications & Use Cases

  • Control panels & automation systems: Voltage step-down and isolation for relays, PLCs, and I/O devices.
  • Machine tools & robotics: Reliable power conversion for drives, sensors, and motion controls.
  • Power distribution: Step-up or step-down conversion for facility and process equipment.
  • Commercial & building systems: Power management for lighting, HVAC, and backup systems.
  • Testing & service applications: Clean voltage supply for diagnostics and repair environments.

Why Buy Transformers from Surplus Select

  • New & Used Options: Industrial control and power transformers at surplus pricing.
  • Trusted Brands: Square D, Allen-Bradley, Siemens, Hammond, Acme, and Jefferson Electric.
  • Trade-In Credit: Turn quality new surplus transformers into store credit for future purchases.
  • Fast Shipping: Most orders ship same or next business day across the U.S.

Need it fast?

Contact us for overnight shipping options or select an overnight service at checkout.

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