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12V 1000mA AC-AC Linear Power Adapter 2.1 x 5.5mm plug

AC-AC Linear Power Supply

Professional-grade AC-AC Linear Power Supplies designed for applications requiring clean, traditional transformer-based power. Our AC-AC adapters feature a robust internal transformer design, ideal for sensitive electronics, audio equipment, and vintage repairs.

  • Input: 120 VAC @ 60 Hz (Standard US Plug)

  • Safety: UL/cUL or ETL Approved & RoHS Compliant

  • Design: Durable wall-mount or desktop transformer housing.  Also available center tap (raw) transformer.

Important Technical Note: These are non-regulated linear power supplies. On an open circuit (no load), the output voltage will typically measure 1.0V to 1.5V higher than the rated voltage. The voltage will drop to the stated level once the appropriate load is applied.

Filters

2.1mm x 5.5mm right angle DC barrel plug connector dimensions diagram
AC-091A 9V AC-AC linear power adapter wall plug with UL listing label
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9V AC-AC Power Adapter, 1110mA (1.1A), 2.1mm x 5.5mm Right Angle Plug | AC-091A

PHC Enterprise, Inc.
5+ in stock

9V AC-AC Linear Power Adapter with Right Angle Plug The AC-091A is a high-quality linear AC-to-AC power supply providing 9V AC at 1110mA. This mod...

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Right angle 2.5mm x 5.5mm barrel plug tip adapter converting from 2.1mm connector
AC-091B 9V AC-AC linear power adapter wall plug with UL listing label
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9V AC-AC Power Adapter 1110mA (1.11A) | 2.5mm x 5.5mm Right Angle Plug | AC-091B

PHC Enterprise, Inc.
5+ in stock

9V AC-AC Linear Power Adapter | 2.5mm Right Angle Plug The AC-091B is a professional-grade linear AC-to-AC power supply providing 9V AC at 1110mA...

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Close-up of 2.1mm x 5.5mm straight barrel plug connector on AC-125AC 12VAC power adapter
AC-93A 9V AC 3330mA power supply wall transformer with 2.1mm x 5.5mm plug
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9V AC-AC Power Adapter, 3330mA (3.33A) Wall Transformer, 2.1mm x 5.5mm Plug, AC9V Linear Power Supply | AC-93A

PHC Enterprise, Inc.
5+ in stock

Part AC-93AInput: 120V AC, 60Hz (Standard US Wall Outlet)Output: 9V AC @ 3330mA (3.33 Amp, ~30VA)Connector: 2.1mm (ID) x 5.5mm (OD) Straight Barrel...

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Close-up diagram of 2.5mm x 5.5mm male DC barrel plug showing inner and outer diameter measurements
AC-121B 12V AC 1000mA power supply wall transformer with 2.5mm x 5.5mm plug
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12V AC-AC Power Adapter, 1000mA (1A) Wall Transformer, 2.5mm x 5.5mm Plug, AC12V Linear Power Supply | AC-121B

PHC Enterprise, Inc.
5+ in stock

Part AC-121BInput: 120V AC, 60Hz (Standard US Wall Outlet)Output: 12V AC @ 1000mA (1 Amp, 12VA)Connector: 2.5mm (ID) x 5.5mm (OD) Straight Barrel P...

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PHC Enterprise 12VAC 1.67A linear wall-mount transformer with screw terminals
AC-121S3 12V AC 1670mA power supply wall transformer with 3-screw terminal output
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12V AC-AC Power Adapter, 1670mA (1.67A) Wall Transformer, 3-Screw Terminal Output, AC12V Linear Power Supply | AC-121S3

PHC Enterprise, Inc.
5+ in stock

Part AC-121S3Input: 120V AC, 60Hz (Standard US Wall Outlet)Output: 12V AC @ 1670mA (1.67 Amp, ~20VA)Output Connector: 3-Position Screw Terminal Blo...

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Detailed label view of the 24V 1A switching adapter showing input 100-240V AC and output 24VDC certifications.
AC-AC power supply by PHC Enterprise, Inc. 12V AC output, 3000mA, with 2.1 x 5.5mm connector for electronic devices
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12V AC-AC Power Adapter, 3000mA (3A) Wall Transformer, 2.1mm x 5.5mm Plug, AC12V Linear Power Supply | AC-123A

PHC Enterprise, Inc.
5+ in stock

Part AC-123A Input: 120V AC, 60Hz (Standard US Wall Outlet) Output: 12V AC @ 3000mA (3 Amps) Connector: 2.1mm (ID) x 5.5mm (OD) Straight Barr...

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PHC Enterprise 12VAC 4.17A linear wall-mount transformer with screw terminals
AC-1241S3 12V AC 4170mA power supply wall transformer with 3-screw terminal output
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12V AC-AC Power Adapter, 4170mA (4.17A) Wall Transformer, 3-Screw Terminal Output, AC12V Linear Power Supply | AC-1241S3

PHC Enterprise, Inc.
5+ in stock

Part AC-1241S3Input: 120V AC, 60Hz (Standard US Wall Outlet)Output: 12V AC @ 4170mA (4.17 Amp, ~50VA)Output Connector: 3-Position Screw Terminal Bl...

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Close-up of 2.1mm x 5.5mm straight barrel plug connector on AC-125AC 12VAC power adapter
AC-125AC 12V AC 5000mA power supply desktop transformer with 2.1mm x 5.5mm plug
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12V AC-AC Power Adapter, 5000mA (5A) Desktop Transformer, 2.1mm x 5.5mm Plug, AC12V Linear Power Supply | AC-125AC

PHC Enterprise, Inc.
Out of stock

Part AC-125ACInput: 120V AC, 60Hz (Standard US Wall Outlet)Output: 12V AC @ 5000mA (5 Amp, ~60VA)Connector: 2.1mm (ID) x 5.5mm (OD) Straight Barrel...

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Close-up of 2.1mm x 5.5mm straight barrel plug connector on AC-125AC 12VAC power adapter
AC-AC power supply by PHC Enterprise, Inc., 14V AC output, 1420mA, with 2.1 x 5.5mm connector for electronic devices.
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14V AC-AC Power Adapter, 1420mA Wall Transformer, 2.1mm x 5.5mm Plug, AC14V Linear Power Supply

PHC Enterprise, Inc.
5+ in stock

Model: AC-1414A Input: 120V AC, 60Hz (Standard US Wall Outlet) Output: 14V AC @ 1420mA (1.42 Amps) Connector: 2.1mm (ID) x 5.5mm (OD) Straight...

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Close-up of 2.1mm x 5.5mm straight barrel plug connector on AC-125AC 12VAC power adapter
PHC Enterprise AC-AC power supply, 16V AC output, 1250mA, 2.1 x 5.5mm connector, compact electronic power adapter.
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AC-AC Power Supply 16V AC @ 1250mA; 2.1 x 5.5mm

PHC Enterprise, Inc.
5+ in stock

Part #: AC-1611A Input: 120VAC 60 Hz Output: 16VAC @ 1250mA Plug: 2.1 x 5.5mm Wall-mount

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AC-1624SA 16.5V 40VA AC-AC power supply transformer for security systems and alarms by PHC Enterprise, Inc.
16.5V 40VA AC-AC transformer for security systems and alarms, showing the PHC Enterprise, Inc. model AC-1624SA power supply.
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16.5V 40VA AC-AC Transformer for Security Systems & Alarms | AC-1624SA

PHC Enterprise, Inc.
5+ in stock

16.5V AC 2400mA (40VA) Plug-In Transformer with Screw Terminals The AC-1624SA is a high-output AC-to-AC power supply designed to provide reliable p...

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AC-AC power supply by PHC Enterprise, Inc. with 18V AC output, 888mA, and 2.1 x 5.5mm connector.
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AC-AC Power Supply 18V AC @ 888mA; 2.1 x 5.5mm

PHC Enterprise, Inc.
Out of stock

Part #: AC-1888C-2 Input: 120VAC 60 Hz Output: 18VAC @ 888mA Plug: 2.1 x 5.5mm Wall-mount *Discontinued **New replacement available (1000mA):  http...

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AC-AC power supply by PHC Enterprise, Inc. with 18V AC output and 3.5mm mono plug for electronic devices.
AC-AC Power Supply 18V 888mA with 3.5mm mono plug from PHC Enterprise, Inc. displays the compact power adapter with cord and plug.
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AC-AC Power Supply 18V AC @ 888mA; 3.5mm mono plug

PHC Enterprise, Inc.
Out of stock

Part #: AC-1888C Input: 120VAC 60 Hz Output: 18VAC @ 888mA MALE Plug: 3.5mm Wall-mount *DISCONTIUED* Consider:  https://www.acdcpowershack.com/prod...

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18VAC 2220mA AC-AC power supply with three screw terminals, manufactured by PHC Enterprise, Inc., shown with terminal connections.
PHC Enterprise 18VAC 2220mA AC-AC power supply with 3-screw terminals for electronic devices and power conversion.
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18VAC 2220mA AC-AC Power Supply (3-Screw Terminals) | AC-1822SA

PHC Enterprise, Inc.
5+ in stock

The AC-1822SA is a heavy-duty, wall-mounted AC-to-DC step-down linear transformer designed to provide reliable, high-current 18VAC power. Featuring...

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PHC Enterprise AC-AC power supply, 18V AC at 3500mA with 1.35 x 3.5mm DC plug, used for electronic devices.
PHC Enterprise AC-AC power supply, 18V AC at 3500mA, with DC plug 1.35 x 3.5mm, used for electronic devices.
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AC-AC Power Supply 18V AC @ 3500mA; DC plug 1.35 x 3.5mm

PHC Enterprise, Inc.
Out of stock

Part #: TA6618350T Input: 120VAC 60 Hz Output: 18VAC @ 3500mA Plug: 1.35 x 3.5mm Compatible with JBL Creature II 2 Genuine - Brand new TA6618350T  ...

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Black AC-DC switching power supply with 3V DC output, 1000mA, 1.3x3.5mm center positive connector, by PHC Enterprise.
18V AC-AC power adapter for JBL Creature II, 3500mA, 1.35mm x 3.5mm plug, replacement power supply by PHC Enterprise
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18V AC-AC Power Adapter for JBL Creature II, 3500mA (3.5A), 1.35mm x 3.5mm Plug, Replacement for TA6618350T

PHC Enterprise, Inc.
5+ in stock

Model: EAC-1835SY Input: 120VAC 60 Hz Output: 18V AC @ 3500mA (3.5 Amp) Plug: 1.35mm x 3.5mm  Type: Linear Power Supply Compatibility This h...

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AC-AC Power Supply 22VAC @ 1500mA; DIN-4 plug for VeriFone P250 Printer; Part # AC-2215D4 - AC-DC PowerShack
AC-AC Power Supply 22VAC @ 1500mA; DIN-4 plug for VeriFone P250 Printer; Part # AC-2215D4 - AC-DC PowerShack
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AC-AC Power Supply 22V AC @ 1500mA; DIN-4 plug for VeriFone P250 Printer

PHC Enterprise, Inc.
5+ in stock

Part #: AC-2215D4 Input: 120VAC 60 Hz Output: 22VAC @ 1500mA Plug: DIN 4-plug Replacement power supply for VeriFone P250 Printer Desktop

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AC-AC Power Supply 24VAC @ 1250mA; DIN-6 Plug for VeriFone Tranz 420 or 460; Part # AC-24CT12X - AC-DC PowerShack
AC-AC Power Supply 24VAC @ 1250mA; DIN-6 Plug for VeriFone Tranz 420 or 460; Part # AC-24CT12X - AC-DC PowerShack
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AC-AC Power Supply 24V AC @ 1250mA; DIN-6 Plug for VeriFone Tranz 420 or 460

PHC Enterprise, Inc.
Out of stock

Part #: AC-24CT12X Input: 120VAC 60 Hz Output: 24VAC @ 1250mA Plug: DIN-6 Plug Replacement power supply for VeriFone Tranz 460 or 420 Desktop

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Close-up of 2.1mm x 5.5mm straight barrel plug connector on AC-125AC 12VAC power adapter
PHC Enterprise 24V AC-AC power adapter with 1250mA output, 2.1mm x 5.5mm plug, linear wall transformer for electronic devices
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24V 1.25A AC-AC Power Supply - 2.1mm x 5.5mm Linear Wall Plug | AC-2412A

PHC Enterprise, Inc.
5+ in stock

Model: AC-2412A Input: 120V AC, 60Hz (Standard US Wall Outlet) Output: 24V AC @ 1250mA (1.25 Amp) Connector: 2.1mm (ID) x 5.5mm (OD) Female Ba...

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Close-up diagram of 2.5mm x 5.5mm male DC barrel plug showing inner and outer diameter measurements
24V AC power supply by PHC Enterprise, Inc., with 2.5x5.5mm connector, providing 1250mA for electronics and automation.
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AC-AC Power Supply 24V AC @ 1250mA; 2.5 x 5.5mm

PHC Enterprise, Inc.
Out of stock

Part #: AC-2412B Input: 120VAC 60 Hz Output: 24VAC @ 1250mA Plug: 2.5 x 5.5mm Desktop

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PHC Enterprise AC-AC power supply 24V AC 1670mA with screw terminals, used for industrial power applications.
PHC Enterprise 24V AC power supply with 1670mA output and three screw terminal connections.
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AC-AC Power Supply 24V AC @ 1670mA; Screw Terminals x 3

PHC Enterprise, Inc.
5+ in stock

Part #: AC-2416S Input: 120VAC 60 Hz Output: 24VAC @ 1670mA Output Connector: Screw Terminals x 3 With a 24VAC output and a power capacity of 40VA...

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Close-up of 2.1mm x 5.5mm straight barrel plug connector on AC-125AC 12VAC power adapter
AC-2417A2 24V AC 1750mA power supply desktop transformer with 2.1mm x 5.5mm plug
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24V AC-AC Power Adapter, 1750mA (1.75A) Desktop Transformer, 2.1mm x 5.5mm Plug, AC24V Linear Power Supply | AC-2417A2

PHC Enterprise, Inc.
5+ in stock

Part AC-2417A2Input: 120V AC, 60Hz (Standard US Wall Outlet)Output: 24V AC @ 1750mA (1.75 Amp, 50VA)Connector: 2.1mm (ID) x 5.5mm (OD) Straight Bar...

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Close-up diagram of 2.5mm x 5.5mm male DC barrel plug showing inner and outer diameter measurements
PHC Enterprise 24V AC power supply with 2.5 x 5.5mm connector, 2500mA output for electronic devices.
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24V AC-AC Power Adapter, 2500mA (2.5A) Desktop Transformer, 2.5mm x 5.5mm Plug, AC24V Linear Power Supply | AC-2421E

PHC Enterprise, Inc.
5+ in stock

Part AC-2421E Form Factor: Inline Desktop Style Power Block Input: 120V AC, 60Hz (Standard US Wall Outlet) Output: 24V AC @ 2500mA (2.5 Amps)...

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PHC Enterprise 12VCT AC/AC power transformer converting 117VAC to 12VAC or 6VAC, with 1A current capacity, shown in image.
12VCT 12V and 6V AC/AC power supply transformer by PHC Enterprise, with 0-6V-12V output at 1A, 117VAC to 12VAC or 6VAC
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12VCT 12V, 6V Transformer 0-6V-12V CT @ 1A 117VAC to 12VAC or 6VAC

PHC Enterprise
5+ in stock

Part #: PX-12C1 CENTER-TAPPED POWER TRANSFORMERS Primary Input Voltage: 117VAC @ 50-60Hz Secondary Output Voltage: 12V CT @ 1 Amp Rated Output 12V...

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Let customers speak for us

from 324 reviews
AC-AC Power Supply 16V AC @ 1250mA; 2.1 x 5.5mm
Great service and communication

Got my power supply on time and it’s a great deal!

Roma Solomatov
AC-AC Power Supply 16V AC @ 1250mA; 2.1 x 5.5mm
AC-DC Linear Power Supply 12V DC @ 500mA 2.1 x 5.5mm (+) center polarity
Replacement for Morpheus Droptune Pedal

Needed a replacement for a few guitar pedals. This is a perfect replacement for many pedals. Just verify center polarity and amp requirements.

Brandon Pockat
AC-DC Linear Power Supply 12V DC @ 500mA 2.1 x 5.5mm (+) center polarity
Professional 500VA Isolation Transformer | 117VAC to 117VAC - ISO-500
Works. Looks good too.

More compact with the toroid transformer.

James Bradshaw
Professional 500VA Isolation Transformer | 117VAC to 117VAC - ISO-500
Professional 1000VA Isolation Transformer | 117VAC to 117VAC - ISO-1000
Professional 1000VA Isolation Transformer | 117VAC to 117VAC - ISO-1000

Work as described.

Henry Huynh
Professional 1000VA Isolation Transformer | 117VAC to 117VAC - ISO-1000
AC adapter to my harmonizing pedal

I plugged my new AC adapter to my harmonizing pedal and it worked perfectly. You got one happy customer! Thank you very much.

Sam Striegel
AC-DC PowerShack
Professional 500VA Isolation Transformer | 117VAC to 117VAC - ISO-500
Excellent Packing

Unit works exactly as it should. This unit is heavy, it was double boxed along with bubble wrap and fitted inserts. Outstanding!

Brad Gensmer
Professional 500VA Isolation Transformer | 117VAC to 117VAC - ISO-500
DC Barrel Plug Adapter, Female 2.1mm x 5.5mm to Male 0.7mm x 2.5mm, 18 AWG | RC-X0725
DC Barrel Plug Adapter to 0.7 x 2.5mm plug from 2.1 x 5.5mm

A fantastic well made product. I am using this plug to power a early 2000 QRP transceiver and it works perfectly

Douglas Rehder
DC Barrel Plug Adapter, Female 2.1mm x 5.5mm to Male 0.7mm x 2.5mm, 18 AWG | RC-X0725
12V 500mA Linear Power Supply 3.5mm Plug | PV-1250C
Great Service

They had a transformer that matched my needs.
Great price and fast response.

Mike Nichols
12V 500mA Linear Power Supply 3.5mm Plug | PV-1250C
6ft 2.5mm x 5.5mm DC Power Extension Cable, 20 AWG

We are totally satisfied with this product and the delivery time.

J.M.P.
6ft 2.5mm x 5.5mm DC Power Extension Cable, 20 AWG
6V AC-DC Linear Power Supply, 1400mA (1.4A), Negative Center | PV-61A
6V AC-DC Linear Power Supply

Works like a charm for my Grundig 350DL as I lost the original years ago. Thank you AC-DC PowerShack.

RALPH HALL
6V AC-DC Linear Power Supply, 1400mA (1.4A), Negative Center | PV-61A
DC Barrel Plug Adapter to 2.5 x 5.5mm RIGHT ANGLE plug from 2.1 x 5.5mm

Great product

Rod Espinoza
DC Barrel Plug Adapter to 2.5 x 5.5mm RIGHT ANGLE plug from 2.1 x 5.5mm
Universal AC-DC Power Adapter (3V-12V, 600mA) - PHC-600K | Multi-Plug Regulated Switching Supply (7 Tips)
Works with my CASIO SK-1 KeyBoard

600mA 7.5VDC Tip (-)

Mark Klein
Universal AC-DC Power Adapter (3V-12V, 600mA) - PHC-600K | Multi-Plug Regulated Switching Supply (7 Tips)
24VCT 24V, 12V Transformer 0-12V-24 CT @ 2A 117VAC to 24VAC or 12VAC
Fixed the Control box

Old transformer went bad after 30 years in service. Part was able to be worked into a tight space and box is working again. Thanks!!

Mikkel Halverson
24VCT 24V, 12V Transformer 0-12V-24 CT @ 2A 117VAC to 24VAC or 12VAC
6ft UL-Certified 18AWG DC Extension Cable (2.1mm x 5.5mm) - Heavy Duty, Black | HDCX6T
Just what I needed

As advertised, 18 gauge extension cables. Arrived promptly.

Ronald Simmer
6ft UL-Certified 18AWG DC Extension Cable (2.1mm x 5.5mm) - Heavy Duty, Black | HDCX6T
Adjustable DC Regulated Switching Power Supply (Black) 3-15VDC 4A | APS-415
Damn good machine

Easy pleasant transaction, great quality and great value. This machine will be used for a power supply for a homemade electrolysis tank. Don't be afraid to purchase from this company.

Donald Matthies
Adjustable DC Regulated Switching Power Supply (Black) 3-15VDC 4A | APS-415