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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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Foster RT-1 Remote Control Transformer 115V-24V 50/60Hz 12652

Foster RT-1 Remote Control Transformer 115V-24V 50/60Hz 12652

$ 3999
Acme T-1-81051-HP General Purpose Transformer 0.5kVA 120/240V to 12/24V 1-Phase

Acme T-1-81051-HP General Purpose Transformer 0.5kVA 120/240V to 12/24V 1-Phase

$ 4999
Sold Out
Impervitran B050PU7JK Industrial Control Transformer 50VA 240/480V to 24V

Impervitran B050PU7JK Industrial Control Transformer 50VA 240/480V to 24V

$ 2499
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Superior Electric 10C Powerstat Variable Transformer 120V 0-132V 50/60Hz 2.25A

Superior Electric 10C Powerstat Variable Transformer 120V 0-132V 50/60Hz 2.25A

$ 8999
Signal Transformer 1P-3K-OF Transformer 3 KVA 208V to 230V 50/60Hz Single-Phase

Signal Transformer 1P-3K-OF Transformer 3 KVA 208V to 230V 50/60Hz Single-Phase

$ 4999
Square D 9070 EO-18 Industrial Control Transformer 0.075 kVA 240/480 V to 120 V

Square D 9070 EO-18 Industrial Control Transformer 0.075 kVA 240/480 V to 120 V

$ 2499
Allen-Bradley 1388-T012DR Control Transformer 1.25 kVA 240/480V to 120V 3-Phase

Allen-Bradley 1388-T012DR Control Transformer 1.25 kVA 240/480V to 120V 3-Phase

$ 59999
Sold Out
Acme TA-1-81201 Industrial Control Transformer 75VA 240/480V to 120V 50/60Hz

Acme TA-1-81201 Industrial Control Transformer 75VA 240/480V to 120V 50/60Hz

$ 2999
Superior Electric Powerstat 3PN126 Variable Autotransformer 0-140V Output 2.1kVA

Superior Electric Powerstat 3PN126 Variable Autotransformer 0-140V Output 2.1kVA

$ 14999
Sold Out
Eaton C0075E2B Industrial Control Transformer Series 2 75VA 240/480V to 24V

Eaton C0075E2B Industrial Control Transformer Series 2 75VA 240/480V to 24V

$ 3999
Sold Out
Hammond Y006CBAF Dry Type Transformer 6 KVA 230V HV 208V LV 3 Phase

Hammond Y006CBAF Dry Type Transformer 6 KVA 230V HV 208V LV 3 Phase

$ 24999
Sold Out
Acme TA-1-81141 Industrial Control Transformer 50VA 50/60HZ 120/240V

Acme TA-1-81141 Industrial Control Transformer 50VA 50/60HZ 120/240V

$ 2999
Allen-Bradley X343917 Transformer 208V Primary .075 KVA 120V Secondary Type M

Allen-Bradley X343917 Transformer 208V Primary .075 KVA 120V Secondary Type M

$ 3999
General Electric 9T21B1006G02 General Purpose Transformer 10kVA 240x480-120/240

General Electric 9T21B1006G02 General Purpose Transformer 10kVA 240x480-120/240

$ 84999
General Electric 9T21B1004G02 General Purpose Transformer 5kVA 240x480-120/240

General Electric 9T21B1004G02 General Purpose Transformer 5kVA 240x480-120/240

$ 16999
General Electric 9T21B1005G02 General Purpose Transformer 7.5kVA 240x480-120/240

General Electric 9T21B1005G02 General Purpose Transformer 7.5kVA 240x480-120/240

$ 33999
Sold Out
Acme T-2-53012-S General Purpose Transformer 2 kVA 240X480V Pri 120/240V Sec

Acme T-2-53012-S General Purpose Transformer 2 kVA 240X480V Pri 120/240V Sec

$ 3499
Dynamatic 64-361-1 CT Transformer 1.012 KVA 60 Freq 230-460V Primary 115V Sec

Dynamatic 64-361-1 CT Transformer 1.012 KVA 60 Freq 230-460V Primary 115V Sec

$ 7999
Fanuc Pertronics A80L-0001-0274-03 Transformer 5kVA Type 07219

Fanuc Pertronics A80L-0001-0274-03 Transformer 5kVA Type 07219

$ 14999
Sold Out
Hammond MH2000AJ Voltage Transformer 2000 VA 600V-120V AC 60 Hz Single-Phase

Hammond MH2000AJ Voltage Transformer 2000 VA 600V-120V AC 60 Hz Single-Phase

$ 10499