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PROMO CODE: FREESHIP for free economy shipping w/orders $49+
CODE: FREESHIP for free economy shipping w/orders $49+
Variable Transformer

Variable Transformer

Input Voltage: 117VAC

Output Voltage: 0~130VAC

Available in:

  • 2 Amp (0~37VAC only) with isolation
  • 3 Amp
  • 5 Amp
  • 10 Amp with isolation
  • 15 Amp
  • 20 Amp

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AC Auto Voltage Regulator Transformer 2500 Watts; 120VAC Output; Part # VR-2500 - AC-DC PowerShack
AC Auto Voltage Regulator Transformer 2500 Watts; 120VAC Output; Part # VR-2500 - AC-DC PowerShack Sold out
$199.00
$199.00 - $199.00
$199.00
$175.00
$175.00 - $175.00
$175.00

AC Auto Voltage Regulator Transformer 2500 Watts; 120VAC Output

PHC Enterprise, Inc.
Out of stock

Part #: VR-2500 Input Voltage: 80~130VAC 60Hz Output Voltage: 120VAC Power Rating: 2500VA (surge) Automatic Voltage regulator Provides a stable 1...

View full details
$199.00
$199.00 - $199.00
$199.00
$175.00
$175.00 - $175.00
$175.00
Sold out
Replacement contact brush for SC-15T Variable transformer; Part # BRUSH-SC15 - AC-DC PowerShack
$15.00 - $15.00
$15.00
$15.00 - $15.00
$15.00

Replacement contact brush for SC-15T Variable transformer; Part # BRUSH-SC15

PHC Enterprise
5+ in stock

Part #: BRUSH-SC15 Replacement contact brush for the SC-15T variable transformer.  Sold in pairs. Priced as pair/set

$15.00 - $15.00
$15.00
$15.00 - $15.00
$15.00

Let customers speak for us

from 283 reviews
AC-AC Power Supply 12V AC @ 1000mA; 2.1 x 5.5mm
Works exactly as expected, solid and reliable

This power supply does exactly what it’s supposed to do. It provides a stable 12V AC output and has been working reliably with my equipment without any noise, heat issues, or voltage instability.

The connector fits securely, and the unit feels solid and well-built. No hum, no interference, and no surprises—which is exactly what you want from a power supply.

It’s refreshing to find a straightforward, dependable AC-AC adapter without unnecessary complexity. I would buy it again if I needed another.

Roger Brown
AC-AC Power Supply 12V AC @ 1000mA; 2.1 x 5.5mm
DC Barrel Plug Adapter to 3.5mm mono plug from 2.1 x 5.5mm
Just what I needed

Glad to find this adaptor exists. Does exactly what I needed.

Patrick Phillips
DC Barrel Plug Adapter to 3.5mm mono plug from 2.1 x 5.5mm
100ft 2.1mm x 5.5mm DC Power Extension Cable, 20 AWG BLACK
Nice Low-voltage DC Power Extension Cable

This 100 ft. DC power extension cable is just what I needed. Nice quality.

Michael Rush
100ft 2.1mm x 5.5mm DC Power Extension Cable, 20 AWG BLACK
DC Barrel Plug Adapter to 2.5 x 5.5mm plug from 2.1 x 5.5mm
Barrel Plug Adapter to 2.5 x 5.5m

Product works great and delivered as promised.

RANDALL DAVIS
DC Barrel Plug Adapter to 2.5 x 5.5mm plug from 2.1 x 5.5mm
AC-AC Power Supply 9V AC @ 1110mA; 2.1 x 5.5mm
Exactly what I needed

Arrived in good condition and is exactly what I needed.

Steven Knight
AC-AC Power Supply 9V AC @ 1110mA; 2.1 x 5.5mm
AC-DC Linear Power Supply 9V DC @ 1000mA; 2.5 x 5.5mm (+) center polarity
Very Satisfied

Just as pictured and described!

John Brown
AC-DC Linear Power Supply 9V DC @ 1000mA; 2.5 x 5.5mm (+) center polarity
AC-AC Power Supply 24V AC @ 2500mA; 2.5 x 5.5mm

I needed this for a 90’s era lamp that needed a new power cord and it was hard to find. Thankfully they had this in stock. Very sturdy and UL rated!

Rafael
AC-AC Power Supply 24V AC @ 2500mA; 2.5 x 5.5mm
AC-AC Power Supply 6V AC @ 1670mA; 2.1 x 5.5mm

Works as advertised

david seiter
AC-AC Power Supply 6V AC @ 1670mA; 2.1 x 5.5mm
500VA Isolation Transformer, 117VAC to 117VAC

Packed and shipped well.

Luke
500VA Isolation Transformer, 117VAC to 117VAC
AC-AC Power Supply 12V AC @ 3000mA; 2.1 x 5.5mm
Good replacement ac adapter

Good price for a quality unit.

david benedict
AC-AC Power Supply 12V AC @ 3000mA; 2.1 x 5.5mm
AC-AC Power Supply 12V AC @ 1000mA; 2.1 x 5.5mm
Adapters

I don't need these my adapters want the problem need to get a return label asap

Betty Overstreet
AC-AC Power Supply 12V AC @ 1000mA; 2.1 x 5.5mm
AC-AC Power Supply 12V AC @ 1000mA; 2.1 x 5.5mm
fibro optic christmas tree

The ac-ac adaptor has brought a special vintage christmas tree back to life. Thank you

David Swofford
AC-AC Power Supply 12V AC @ 1000mA; 2.1 x 5.5mm
AC-DC Linear Power Supply 12V DC @ 1200mA; 2.5 x 5.5mm (+) center polarity
old car stereo equipment

I'm using this unit to power an old 12v car stereo EQ in my home stereo. works great...clean power. I recommend.

Robert S.
AC-DC Linear Power Supply 12V DC @ 1200mA; 2.5 x 5.5mm (+) center polarity
Variable Transformer 10 Amp (1000 Watts); 0~130VAC Output ISOLATION & LCD Volt Meter
Seems to be a quality unit

The device appears to be solid and well built. It's the only unit I've found that has both a Variac AND an Isolation transformer in one unit. It's roughly half the price of buying both units separately (not to mention the reclaimed workspace). As near as I can tell, the output is indeed isolated from the input, as claimed, including the ground. I'm just a hobbyist, not an electrical engineer, so please accept my opinion in that that context.

James Ritchey
Variable Transformer 10 Amp (1000 Watts); 0~130VAC Output ISOLATION & LCD Volt Meter
DC Barrel Plug Adapter to 3.3mm x 5.5mm with center pin (1.0mm) plug from 2.1 x 5.5mm
Hard to find adapter did the job!

I had to get Chat GPT involved before I found this adapter, and it worked. I'm happy :-).

Scott Sheridan
DC Barrel Plug Adapter to 3.3mm x 5.5mm with center pin (1.0mm) plug from 2.1 x 5.5mm