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Variable DC Power Supply

What is a variable dc power supply?

A variable DC power supply is a DC power supply that allows the users to easily adjust the output voltage and current via potentiometers or a computer interface. It is also known as an adjustable dc power supply.

 

How to select a variable dc power supply?

 

What is the difference between a linear and switching dc power supply?

 

What are egulated DC Power Supplies?

 

Mastech/Volteq has three decades of design and manufacturing know-how in variable dc power supplies. Mastech/Volteq dc power supplies are known for their best-in-class noise and ripple performance. 

 

You can choose a dc power supply based on the categories below:

 

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MASTECH POWER SUPPLY 30V 20A Programmable RS232 HY3020MR 600W

MASTECH POWER SUPPLY 30V 20A Programmable RS232 HY3020MR 600W

$500.00 $269.95

This model is being phased out, please check out our updated model HY3020EP, which is based on open source Arduino …

MASTECH VARIABLE REGULATED LINEAR DC POWER SUPPLY 60V 3A HY6003D

MASTECH VARIABLE REGULATED LINEAR DC POWER SUPPLY 60V 3A HY6003D

$245.00

  Note: this mode is discontinued, please check out our updated model Volteq HY6003D. Mastech HY6003D is…

Regulated Variable Switching DC Power Supply HY3020EX 0-30V 0-20A

Regulated Variable Switching DC Power Supply HY3020EX 0-30V 0-20A

$400.00 $239.95

  VOLTEQ HY3020EX is a high current, high voltage regulated switching DC power supply, and is similar to …

Regulated Variable DC Power Supply HY3020EX 0-30V 0-20A for Anodizing, Plating

Regulated Variable DC Power Supply HY3020EX 0-30V 0-20A for Anodizing, Plating

$400.00 $239.95

VOLTEQ HY3020EX is a high current, high voltage regulated switching DC power supply, and is similar to HY3020E bu…

Regulated Varaible Switching DC Power Supply HY3020EX 30V 20A Battery Charging and Equalizing

Regulated Varaible Switching DC Power Supply HY3020EX 30V 20A Battery Charging and Equalizing

$400.00 $239.95

  VOLTEQ HY3020EX is a high current, high voltage regulated switching DC power supply, and is similar to HY3…

Mastech VARIABLE LINEAR DC POWER SUPPLY 30V 6A HY3006D

Mastech VARIABLE LINEAR DC POWER SUPPLY 30V 6A HY3006D

$230.00

This model is out of stock and discontinued, please see our updated model HY3006D.     Mastech …

MASTECH VARIABLE REGULATED SWITCHING DC POWER SUPPLY 30V 20A HY3020E 600W

MASTECH VARIABLE REGULATED SWITCHING DC POWER SUPPLY 30V 20A HY3020E 600W

$400.00 $229.95

Note: this product is temporarily out of stock, please check our new and improved model Volteq HY3020EX. Got a…

Mastech Regulated Variable Linear DC Power Supply 30V 5A HY3005D

Mastech Regulated Variable Linear DC Power Supply 30V 5A HY3005D

$220.00

Guaranteed the best price, fast shipping, and friendly service.    This model is out of stock …

Mastech Variable Linear Power Supply 30V 10A HY3010D

Mastech Variable Linear Power Supply 30V 10A HY3010D

$350.00 $199.95

  Mastech Variable Linear Power Supply HY3010D is a one of the most stable and powerful DC power supply from…

Regulated Switching DC Power Supply HY1520EX 15V 20A

Regulated Switching DC Power Supply HY1520EX 15V 20A

$280.00 $199.95

5.0 average, based on 1 reviews

VOLTEQ HY1520EX is a high current regulated switching DC power supply with built-in over-voltage and over-current p…

REGULATED VARIABLE LINEAR DC POWER SUPPLY HY3010D 30V 10A New Model

REGULATED VARIABLE LINEAR DC POWER SUPPLY HY3010D 30V 10A New Model

$350.00 $199.95

VOLTEQ HY3010D is a lab grade DC regulated linear power supply, an improved version of the HY3010D we carry for yea…

New Model! 30 V 5A Triple Linear Variable DC POWER SUPPLY HY3005D-3

New Model! 30 V 5A Triple Linear Variable DC POWER SUPPLY HY3005D-3

$400.00 $199.95

VOLTEQ HY3005D-3 is the newest update to our triple output variable regulated power supply. This linear power suppl…

VARIABLE LINEAR DC POWER SUPPLY GPC-3030D TRIPLE OUTPUTS 30 V 3A

VARIABLE LINEAR DC POWER SUPPLY GPC-3030D TRIPLE OUTPUTS 30 V 3A

$300.00 $179.95

VOLTEQ GPC-3030D is a triple output variable regulated power supply. This linear power supply has three outputs: tw…

New Model! VOLTEQ VARIABLE DC POWER SUPPLY HY3003D-3 TRIPLE OUTPUTS 30 V 3A

New Model! VOLTEQ VARIABLE DC POWER SUPPLY HY3003D-3 TRIPLE OUTPUTS 30 V 3A

$300.00 $179.95

VOLTEQ HY3003D-3 is the newest update to our triple output variable regulated DC power supply. This linear power su…

Variable Linear Power Supply GPR-1810HD 0-18V 0-10A

Variable Linear Power Supply GPR-1810HD 0-18V 0-10A

$250.00 $169.95

VOLTEQ GPR-1810HD is a lab grade DC regulated linear power supply. This highly stable, high quality linear DC power…

30V 10A Regulated Switching DC Power Supply HY3010EX Over Voltage Protection

30V 10A Regulated Switching DC Power Supply HY3010EX Over Voltage Protection

$300.00 $169.95

5.0 average, based on 1 reviews

VOLTEQ HY3010EX is the updated version of HY3010E with built-in over-voltage and reverse-voltage protection, ideal fo…

Mastech Regulated Variable Switching DC Power Supply 30V 10A HY3010E

Mastech Regulated Variable Switching DC Power Supply 30V 10A HY3010E

$300.00 $159.95

This model is replaced with updated model HY3010EX.   Got a question? Call us at 408-622-9851. M…

VOLTEQ REGULATED VARIABLE DC POWER SUPPLY HY5005D 50V 5A

VOLTEQ REGULATED VARIABLE DC POWER SUPPLY HY5005D 50V 5A

$260.00 $129.95

VOLTEQ HY5005D is a lab grade linear DC regulated power supply with up to 50V and up to 5A output. This highly stab…

Regulated Linear DC POWER SUPPLY HY3005DX 30V 5A 1mA Resolution

Regulated Linear DC POWER SUPPLY HY3005DX 30V 5A 1mA Resolution

$240.00 $119.95

VOLTEQ HY3005DX is a lab grade DC regulated linear DC power supply; as an improved version of HY3005D, this power…

Improved! Regulated Linear DC POWER SUPPLY HY3006D 30V 6A Over-voltage Protection

Improved! Regulated Linear DC POWER SUPPLY HY3006D 30V 6A Over-voltage Protection

$220.00 $119.95

VOLTEQ HY3006D is a lab grade regulated linear DC power supply, an improved version of the HY3006D we carry for yea…

REGULATED VARIABLE DC POWER SUPPLY HY6003D 60V 3A New Model

REGULATED VARIABLE DC POWER SUPPLY HY6003D 60V 3A New Model

$240.00 $119.95

VOLTEQ HY6003D is a lab grade DC regulated linear power supply, an improved version of the HY6003D we carried for y…

VOLTEQ REGULATED VARIABLE DC POWER SUPPLY HY5003D 50V 3A

VOLTEQ REGULATED VARIABLE DC POWER SUPPLY HY5003D 50V 3A

$220.00 $109.95

VOLTEQ HY5003D is a lab grade linear DC regulated power supply, an improved version of the HY5003D we carry for yea…

Regulated Linear DC POWER SUPPLY HY3005D 0-30V 0-5A Over-voltage Protection

Regulated Linear DC POWER SUPPLY HY3005D 0-30V 0-5A Over-voltage Protection

$220.00 $99.95

5.0 average, based on 1 reviews

  VOLTEQ HY3005D is a lab grade regulated linear DC power supply, an improved version of the Mastech H…

30V 3A Linear DC Power Supply with 1mA Resolution HY3003DX

30V 3A Linear DC Power Supply with  1mA Resolution HY3003DX

$220.00 $99.95

VOLTEQ HY3003DX is a lab grade regulated linear DC power supply; as an improved version of HY3003D, this power supp…

REGULATED VARIABLE DC POWER SUPPLY GPS-3050D 30V 5A

REGULATED VARIABLE DC POWER SUPPLY GPS-3050D 30V 5A

$220.00 $99.95

VOLTEQ GPS-3050D is a lab grade regulated variable DC power supply. This highly stable linear DC power supply has an …

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