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Variable DC Power Supply

Huge savings for variable voltage bench power supplies, fast shipping, and friendly service. 

 

Mastech has three decades of design and manufacturing know-how in variable voltage regulated DC power supplies. We offer a large selection of variable voltage and current regulated DC Power Supplies, which are also called bench power supplies, Lab Power Supplies, DC variable power supply, regulated DC power supplies, adjustable DC power supplies, AC to DC power supplies, CC CV power supplies, etc.. Mastech DC power supplies are known for their best-in-class noise and ripple performance. 

 

We are located in the heart of Silicon Valley, and offer same day delivery to select south bay cities.

 

Need help finding the right product? Email us at support@mastechpowersupply or call us at 408-622-9851.

 

There are two main designs for variable regulated DC power supplies: Linear DC Power Supply and Switching DC Power Supply. Linear DC power supplies have exceptionally low ripple but tend to be heavy and less efficient, while switching DC power supplies have very high power efficency, and good noise and ripple performance for most of applications. Currently we only make linear DC power supplies with output below 20A. Typical applications for linear DC power supplies include studio mixer/audio amplifiers, lower noise amplifiers, etc.; typical applications for switching DC power supplies include industrial and scientific research, product manufacturing and testing, electroplating, electroforming, DC motors, aviation and marine applications, etc., check here for comparison of switching and linear DC power supplies.

 

You can also choose a DC power supply based on maximum voltage output, which ranges from 15V, 18V30V, 50V, 75V, 100V, 200V, to 300V ; or by maximum current output, which ranges from 3A, 5A, 6A10A, 20A, 30A, 50A, 100A, 200A, 500A, to 1000A.

 

You can also choose the power supply by selecting one of the categories below:

 

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Regulated Switching DC Power Supply HY3080EX 30V 80A 220V Input

Regulated Switching DC Power Supply HY3080EX 30V 80A 220V Input

$1,100.00 $549.95

This model takes 220V Input, for the same model with 110V input, please check this model instead VOLTEQ HY3080…

Variable DC Power Supply HY3080EX 0-30V 0-80A 110V Input

Variable DC Power Supply HY3080EX 0-30V 0-80A 110V Input

$1,100.00 $549.95

VOLTEQ HY3080EX is a high current, high voltage regulated switching DC power supply with built-in over-voltage and …

Variable Switching DC Power Supply HY7530EX 0-75V 0-30A 220V Input

Variable Switching DC Power Supply HY7530EX 0-75V 0-30A 220V Input

$950.00 $559.95

VOLTEQ HY7530EX is a high current, high voltage regulated switching DC power supply,  with built-in over-volta…

Switch Mode DC Power Supply HY7530EX 75V 30A Over Voltage Over Current Protection 110V Input

Switch Mode DC Power Supply HY7530EX 75V 30A Over Voltage Over Current Protection 110V Input

$950.00 $559.95

VOLTEQ HY7530EX is a high current, high voltage regulated switch mode DC power supply (SMPS),  with built-…

Switching DC Power Supply HY7530EX 0-75V 0-30A 220V Input

Switching DC Power Supply HY7530EX 0-75V 0-30A 220V Input

$950.00 $559.95

VOLTEQ HY7530EX is a high current, high voltage regulated switch mode DC power supply,  with built-in over-vol…

200V 10A Regulated Switching DC Power Supply HY20010EX Over Voltage Over Current Protection 110V AC

200V 10A Regulated Switching DC Power Supply HY20010EX Over Voltage Over Current Protection 110V AC

$1,200.00 $599.95

VOLTEQ HY20010EX is a high current, high voltage regulated switching DC power supply,  with built-in over-volt…

Regulated Variable Switching DC Power Supply HY5050EX 50V 50A 220V Input

Regulated Variable Switching DC Power Supply HY5050EX 50V 50A 220V Input

$1,200.00 $599.95

This model takes 220V Input, for the same model with 110V input, please check this model instead VOLTEQ HY5050…

Variable Switching DC Power Supply HY5050EX 0-50V 0-50A

Variable Switching DC Power Supply HY5050EX 0-50V 0-50A

$1,200.00 $599.95

VOLTEQ HY5050EX is a high current, high voltage regulated switching DC power supply, with built-in over-voltage and…

Regulated Switching DC Power Supply HY20010EX 0-200V 0-10A 220V AC

Regulated Switching DC Power Supply HY20010EX 0-200V 0-10A 220V AC

$1,200.00 $599.95

VOLTEQ HY20010EX is a high current, high voltage regulated swiching DC power supply,  with built-in over-volta…

Variable DC Power Supply HY30100EX 30V 100A Over Voltage Over Current Protection 220V Input

Variable DC Power Supply HY30100EX 30V 100A Over Voltage Over Current Protection 220V Input

$1,400.00 $669.95

This model takes 220V Input, for the same model with 110V input, please check this model instead VOLTEQ HY3010…

30V 100A Regulated Switching DC Power Supply HY30100EX Over Voltage Over Current Protection 110V Input

 30V 100A Regulated Switching DC Power Supply HY30100EX Over Voltage Over Current Protection 110V Input

$1,400.00 $669.95

VOLTEQ HY30100EX is a high current, high voltage regulated switching DC power supply with built-in over-voltage and…

VOLTEQ DC Power Supply HY30005EX 300V 5A for Plating and Anodizing,110V AC

VOLTEQ DC Power Supply HY30005EX 300V 5A for Plating and Anodizing,110V AC

$1,300.00 $699.95

VOLTEQ HY30005EX is a high voltage regulated switching DC power supply,  with built-in over-voltage and over-c…

High Voltage Variable DC Power Supply HY30005EX 300V 5A

High Voltage Variable DC Power Supply HY30005EX 300V 5A

$1,400.00 $699.95

VOLTEQ HY30005EX is a high voltage regulated switching DC power supply,  with built-in over-voltage and over-c…

15V 150A Regulated Switching DC Power Supply HY15150EX Over Voltage Over Current Protection 110V Input

15V 150A Regulated Switching DC Power Supply HY15150EX Over Voltage Over Current Protection 110V Input

$1,800.00 $799.95

VOLTEQ HY15150EX is a high current, high voltage regulated switching DC power supply with built-in over-voltage and…

High Current Rectifier for Electroplating Anodizing HY15200EX 15V 200A

High Current Rectifier for Electroplating Anodizing HY15200EX 15V 200A

$2,000.00 $999.95

VOLTEQ HY15200EX is a high current electroplating rectifier with built-in over-voltage and over-current protection,…

Plating Rectifier with RS485 0-12V 0-200A Electroplating Anodizing

Plating Rectifier with RS485 0-12V 0-200A Electroplating Anodizing

$2,200.00 $1,099.95

VOLTEQ HY12200EP is a heavy duty commercial grade rectifier, ideal for anodizing and plating applications in commer…

High Current Rectifier for Electroplating Anodizing HY30200EX 0-30V 0-200A

High Current Rectifier for Electroplating Anodizing HY30200EX 0-30V 0-200A

$3,300.00 $1,600.00

VOLTEQ HY30200EX is a high current electroplating rectifier with built-in over-voltage and over-current protection,…

High Current Rectifier for Electroplating Anodizing HY30200EX 0-30V 0-200A

High Current Rectifier for Electroplating Anodizing HY30200EX 0-30V 0-200A

$3,300.00 $1,600.00

VOLTEQ HY30200EX is a high current electroplating rectifier with built-in over-voltage and over-current protection,…

Volteq High Current Rectifier for Electroplating Anodizing HY10500EX 10V 500A

Volteq High Current Rectifier for Electroplating Anodizing HY10500EX 10V 500A

$3,400.00 $1,700.00

VOLTEQ HY10500EX is a high current electroplating rectifier with built-in over-voltage and over-current protection,…

Volteq High Current Rectifier for Electroplating Anodizing HY051000EX 5V 1000A

Volteq High Current Rectifier for Electroplating Anodizing HY051000EX 5V 1000A

$4,000.00 $1,999.95

VOLTEQ HY051000EX is a high current electroplating rectifier with built-in over-voltage and over-current protection…

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