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Surplus New and Used Transformers

Transformers are electrical devices that are designed to transfer electrical energy from one circuit to another by electromagnetic induction. Transformer typically change voltage, but can also be used to change current and/or phase.  You can further refine your specific search using the category(ies) below:

Autotransformers

Autotransformers are a power transformer with only one winding.

Constant Voltage Transformers

Constant voltage transformers (CVTs) produce a constant secondary voltage for varying primary voltages within a certain range.

Current Sense Transformers

Current sense transformers are used to detect and measure current.

Current Transformers

Current transformers are used to step down current in a very predictable fashion with respect to current and phase.

Industrial Control Transformers

Industrial control transformers are designed for industrial applications that require relays, solenoids, and other electromagnetic devices.

Instrument Transformers

Instrument transformers are used to step-down current or voltage to specific measureable values.

Isolation Transformers

Isolation transformers provide electrical decoupling or isolation to two connected circuits.

Power Transformers

Power transformers convert power-level voltages from one level or phase configuration to another.  Power transformers can be used for electrical isolation, power distribution, and control and instrumentation applications.

RF Transformers

RF transformers are used to increase or decrease voltage utilizing electromagnetic induction.

Single Phase Transformers

Single phase transformers are designed to supply electric power to single-phase systems.

Toroidal Transformers

Toroidal transformers are specialty transformers comprised of copper wire wrapped around a cylindrical core.

Voltage And Potential Transformers

Voltage and potential transformers are used to convert voltage (potential) at a specific proportion or ratio.