AC to AC Converters | McMaster-Carr

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	Input Voltage Input Voltage

100V AC

110V AC

	Output Voltage Output Voltage

	Transformer Voltage Function Transformer Voltage Function

Step Down

Step Up

Constant

	Power Output Power Output

	Electrical Phase Electrical Phase

Single

Three

	Prewired Primary Voltage Label Prewired Primary Voltage Label

120V AC

240V AC

	Frequency Frequency

50Hz

60Hz

	Prewired Secondary Voltage Label Prewired Secondary Voltage Label

	Prewired Power Output Label Prewired Power Output Label

	Input Wire Connection Type Input Wire Connection Type

Screw Terminals

Wire Leads

Bus Bar

	Width Width

	Output Wire Connection Type Output Wire Connection Type

Screw Terminals

Wire Leads

Bus Bar

	Depth Depth

	Height Height

	Input Connection Type Input Connection Type

Hardwire

Plug

	Output Connection Type Output Connection Type

Hardwire

Socket

	Wiring Diagram Wiring Diagram

	Specifications Met Specifications Met

CE Marked

CSA

	Mounting Location Mounting Location

Panel

DIN Rail

Outlet Box

	Voltage Voltage

	Connection Type Connection Type


Barrel	Straight Blade

	For Fuse Type For Fuse Type

Midget

UL Class CC Midget

	Environmental Rating Environmental Rating

UL 3R

NEMA 3R

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161 Products

About AC to AC Voltage Transformers

For single-phase equipment, use this formula to find power output: VA = Volts × Amps

For three-phase equipment, use this formula to find power output: VA = Volts × Amps × 1.73

Enclosed Step-Up/Step-Down
AC to AC Transformers

Improve the efficiency of your equipment—wire these transformers to step your input voltage up or down by as much as 20%.

Enclosed Isolating AC
to AC Transformers

These transformers have isolated primary and secondary coils to protect your sensitive equipment from input voltage spikes.

Enclosed Voltage-Stabilizing
AC to AC Transformers

Protect equipment from electromagnetic interference and maintain power during three-millisecond power dips.

Enclosed Step-Down
AC to AC Transformers

Also known as auto transformers, these decrease incoming voltage to meet the needs of your application.

Touch-Safe High-Inrush
Panel-Mount AC to AC Transformers

Prevent accidental contact with live electrical connections—the screw terminals are covered or recessed. These transformers can handle momentary high-inrush current associated with contactors, solenoids, and relays.

High-Inrush Panel-Mount
AC to AC Transformers

These transformers can handle momentary high-inrush current associated with contactors, solenoids, and relays.

Harsh Environment High-Inrush
Panel-Mount AC to AC Transformers

Sealed coils protect against dust, dirt, oil, and moisture. These transformers can handle momentary high-inrush current associated with contactors, solenoids, and relays.

DIN-Rail/Panel-Mount High-Inrush
AC to AC Transformers

Use with DIN-rail to install wherever you need these transformers or mount them to a panel. They can handle momentary high-inrush current associated with equipment start-up.

Outlet Box/Panel-Mount
High-Inrush AC to AC Transformers

Use the included outlet box cover or mount these transformers to a panel. They can handle momentary high-inrush current associated with equipment start-up.

Low-Current AC to AC Transformers

Power low-voltage devices such as alarms and sensors.

AC to AC Adapter Cords

Power devices that require less than 120 volts AC.

Terms and Conditions and Privacy Policy

About AC to AC Voltage Transformers

AC to AC Transformers

Enclosed Step-Up/Step-DownAC to AC Transformers

Enclosed Isolating ACto AC Transformers

Enclosed Voltage-StabilizingAC to AC Transformers

Enclosed Step-DownAC to AC Transformers

Touch-Safe High-InrushPanel-Mount AC to AC Transformers

High-Inrush Panel-MountAC to AC Transformers

Harsh Environment High-InrushPanel-Mount AC to AC Transformers

DIN-Rail/Panel-Mount High-InrushAC to AC Transformers

Outlet Box/Panel-MountHigh-Inrush AC to AC Transformers

Low-Current AC to AC Transformers

Low-Current AC to AC Transformers

AC to AC Adapter Cords

AC to AC Adapter Cords

Enclosed Step-Up/Step-Down
AC to AC Transformers

Enclosed Isolating AC
to AC Transformers

Enclosed Voltage-Stabilizing
AC to AC Transformers

Enclosed Step-Down
AC to AC Transformers

Touch-Safe High-Inrush
Panel-Mount AC to AC Transformers

High-Inrush Panel-Mount
AC to AC Transformers

Harsh Environment High-Inrush
Panel-Mount AC to AC Transformers

DIN-Rail/Panel-Mount High-Inrush
AC to AC Transformers

Outlet Box/Panel-Mount
High-Inrush AC to AC Transformers