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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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Regulated Variable Switching Power Supply HY3050EX 0-30V 0-50A Fast Charging Lithium Battery

Regulated Variable Switching Power Supply HY3050EX 0-30V 0-50A Fast Charging Lithium Battery

$800.00 $449.95

VOLTEQ HY3050EX is a high current, high voltage regulated switching DC power supply, and is similar to HY3050E but …

Regulated Switching DC Power Supply HY3050EX 30V 50A for Slot Cars, DC Motors, Aviation, 110V Input

Regulated Switching DC Power Supply HY3050EX 30V 50A for Slot Cars, DC Motors, Aviation, 110V Input

$800.00 $449.95

5.0 average, based on 1 reviews

VOLTEQ HY3050EX is a high current, high voltage regulated switching DC power supply, and is similar to HY3050E but …

Regulated Switching DC Power Supply HY5030EX 50V 30A 220V Input

Regulated Switching DC Power Supply HY5030EX 50V 30A 220V Input

$750.00 $449.95

This model takes 220V Input, for the same model with 110V input, please check this model instead VOLTEQ HY5030…

Switching DC Power Supply HY5030EX 0-50V 0-30A 110V Input

Switching DC Power Supply HY5030EX 0-50V 0-30A 110V Input

$750.00 $449.95

VOLTEQ HY5030EX is a high current, high voltage regulated switching DC power supply, with built-in over-voltage and…

30V 50A Regulated DC Power Supply HY3050EX Over Voltage Over Current Protection 110V Input

30V 50A Regulated DC Power Supply HY3050EX Over Voltage Over Current Protection 110V Input

$800.00 $449.95

VOLTEQ HY3050EX is a high current, high voltage regulated switching DC power supply, and is similar to HY3050E but …

Mastech LINEAR DC POWER SUPPLY 30V 5A HY3005F-3 TRIPLE OUTPUTS

Mastech LINEAR DC POWER SUPPLY 30V 5A HY3005F-3 TRIPLE OUTPUTS

$400.00

This model is out of stock and discontinued, please check out our updated model HY3005D-3. Mastech Power Suppl…

Mastech BENCH DC POWER SUPPLY 30V 5A HY3005D-3 TRIPLE OUTPUTS

Mastech BENCH DC POWER SUPPLY 30V 5A HY3005D-3 TRIPLE OUTPUTS

$400.00

This model is out of stock and discontinued, please check out our updated model HY3005D-3. MASTECH HY3005D-3 i…

Switching DC Power Supply HY6020EX 60V 20A Over Voltage Over Current Protection

Switching DC Power Supply HY6020EX 60V 20A Over Voltage Over Current Protection

$750.00 $399.95

VOLTEQ HY6020EX is a high current, high voltage regulated switching DC power supply, and is similar to HY6020E but …

Switching DC Power Supply HY6020EX 60V 20A Over Voltage Over Current Protection

Switching DC Power Supply HY6020EX 60V 20A Over Voltage Over Current Protection

$750.00 $399.95

VOLTEQ HY6020EX is a high current, high voltage regulated switching DC power supply, and is similar to HY6020E but …

VARIABLE SWITCHING DC POWER SUPPLY 60V 20A HY6020E

VARIABLE SWITCHING DC POWER SUPPLY 60V 20A HY6020E

$750.00 $399.95

MASTECH HY6020E is a high current, high voltage variable switching DC power supply; this high quality voltage r…

VARIABLE REGULATED SWITCHING DC POWER SUPPLY 50V 5A HY5005-2 DUAL OUTPUTS

VARIABLE REGULATED SWITCHING DC POWER SUPPLY 50V 5A HY5005-2 DUAL OUTPUTS

$349.00

  This model is discontinued, please check out our single output model HY5005D or HY5020EX (0-50V, 0-20A). …

Programmable DC Power Supply HY5020EP 0-50V 0-20A With Arduino

Programmable DC Power Supply HY5020EP 0-50V 0-20A With Arduino

$600.00 $349.95

Volteq HY5020EP is a programmable DC power supply with built-in Arduino Micro controller. This is the update…

Regulated Variable Switching DC Power Supply HY1550EX 15V 50A

Regulated Variable Switching DC Power Supply HY1550EX 15V 50A

$550.00 $319.95

VOLTEQ HY1550EX is a high current regulated switching DC power supply with built-in over-voltage and over-current p…

Mastech VARIABLE DC POWER SUPPLY 30 V 3A HY3003D-3 TRIPLE OUTPUTS

Mastech VARIABLE DC POWER SUPPLY 30 V 3A HY3003D-3 TRIPLE OUTPUTS

$300.00

Note: this product is out of stock, please check our new model Volteq HY3003D-3. Mastech HY3003D-3 is a tri…

VARIABLE SWITCHING DC POWER SUPPLY 30V 10A HY3010E-3 TRIPLE OUTPUTS

VARIABLE SWITCHING DC POWER SUPPLY 30V 10A HY3010E-3 TRIPLE OUTPUTS

$550.00 $299.95

This model is discontined, please check out our new model HY3010EX, which has over-voltage protection.   M…

VARIABLE SWITCHING DC POWER SUPPLY 30V 30A HY3030E 900W HIGH CURRENT

VARIABLE SWITCHING DC POWER SUPPLY 30V 30A HY3030E 900W HIGH CURRENT

$600.00 $299.95

  Got a question? Call us at 408-622-9851. Please check out our new model HY3030EX with over-voltage protect…

VARIABLE SWITCHING DC POWER SUPPLY 50V 20A HY5020E 1000W

VARIABLE SWITCHING DC POWER SUPPLY 50V 20A HY5020E 1000W

$550.00 $299.95

Note: if you plan to use this for battery charging or electrochemical applications like plating and eletrolysis, pl…

Variable Regulated Switching DC Power Supply HY5020EX 50V 20A

Variable Regulated Switching DC Power Supply HY5020EX 50V 20A

$550.00 $299.95

VOLTEQ HY5020EX is a high current, high voltage regulated switching DC power supply, and is similar to HY5020E bu…

Switching DC Power Supply HY3030EX 0-30V 0-30A

Switching DC Power Supply HY3030EX 0-30V 0-30A

$550.00 $299.95

VOLTEQ HY3030EX is a high current, high voltage regulated switching DC power supply, and is similar to HY3030E bu…

Regulated DC Power Supply HY3030EX 0-30V 0-30A for Plating, Anodizing, Electrolysis

Regulated DC Power Supply HY3030EX 0-30V 0-30A for Plating, Anodizing, Electrolysis

$550.00 $299.95

VOLTEQ HY3030EX is a high current, high voltage regulated switching DC power supply, and is similar to HY3030E bu…

Regulated Variable Switching DC Power Supply HY3030EX 0-30V 0-30A

Regulated Variable Switching DC Power Supply HY3030EX 0-30V 0-30A

$550.00 $299.95

VOLTEQ HY3030EX is a high current, high voltage regulated switching DC power supply, and is similar to HY3030E bu…

Variable Switching DC Power Supply HY5020EX 50V 20A Over Voltage Over Current Protection

Variable Switching DC Power Supply HY5020EX 50V 20A Over Voltage Over Current Protection

$550.00 $299.95

VOLTEQ HY5020EX is a high current, high voltage regulated switching DC power supply, and is similar to HY5020E bu…

Regulated Linear DC POWER SUPPLY HY3020D 0-30V 0-20A New Model

Regulated Linear DC POWER SUPPLY HY3020D 0-30V 0-20A New Model

$450.00 $279.95

VOLTEQ HY3020D is a lab grade regulated linear DC power supply, an improved version of the HY3020D we carry for yea…

Regulated Variable Switching DC Power Supply HY1530EX 0-15V 0-30A

Regulated Variable Switching DC Power Supply HY1530EX 0-15V 0-30A

$419.95 $279.95

VOLTEQ HY1530EX is a high current regulated switching DC power supply with built-in over-voltage and over-current p…

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 …

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