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Switching DC Power Supply

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Switching DC power supplies were first introduced in the late 1970's, today they are the most popular form of DC power supplies in the market due to their exceptional power efficiency and great overall performance. A Switching DC power supply (also known as switch mode power supply or SMPS) regulates the output voltage through a process called pulse width modulation (PWM). The PWM process generates some high frequency noise, but enables the switching power supplies to be built with very high power efficiency and small form factor. With a good design, a switching power supply can have excellent load and line regulation. Typical applications for switching DC power supplies include:

 

  • general purpose use including R&D, manufacturing and testing
  • high power / high current applications
  • communications systems, mobile stations, network equipments, etc.
  • electroplating, anodizing, electroforming, electrophoresis, etc.
  • Battery charging and equalization for Lithium Ion batteries, marine and vehicle batteries
  • electrolysis, waste treatment, hydrogen generator, fuel cell applications, etc. 
  • DC motors, slot cars, aviation and marine applications, etc.

 

For three decades, Mastech has built the regulated variable switching DC power supplies with the least noise and ripple in the industry. Our switching power supplies are widely used in R&D and lab environment because of their exceptional noise performance. The design choice to minimize the noise does come with some drawback: slower response and more sensitive to reverse EMF from the load. As a result, the Mastech switching power supplies are not suitable for battery charging, anodizing, LED applications, electroplating (use as plating rectifiers) and anodizing, electrolysis, electroforming, hydrogen generation and any electrochemical applications.

 

Recognizing the shortcomings, we have launched in 2012 a new line of switching DC power supplies under Volteq brand to address the growing customer needs in battery charging, LED applications, DC motors, electroplating and anodizing, electrolysis & hydrogen generation, slot cars, automotive, aviation and marine applications. The Volteq switching power supplies, with built-in over-voltage and reverse-voltage protection, are tough as rock, and yet still provide excellent noise and ripple performance by employing the state of art technology.

 

Need help finding the right product? Email us at support@mastechpowersupply or call us at 408-622-9851, or check out the products below or our Selection Guide.

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VARIABLE SWITCHING DC POWER SUPPLY 60V 20A HY6020E

VARIABLE SWITCHING DC POWER SUPPLY 60V 20A HY6020E

$700.00 $379.95

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

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 …

MASTECH VARIABLE REGULATED DC POWER SUPPLY 30V 50A HY3050E 1500W HIGH CURRENT

MASTECH VARIABLE REGULATED DC POWER SUPPLY 30V 50A HY3050E 1500W HIGH CURRENT

$800.00 $419.95

Note: if you plan to use the power supply for battery charging and DC motors, please get our new and updated model&nb…

VOLTEQ Power Supply HY3050EX 30V 50A Over Voltage Over Current Protection 220V Input

VOLTEQ Power Supply HY3050EX 30V 50A Over Voltage Over Current Protection 220V Input

$800.00 $419.95

This model takes 220V Input, for the same model with 110V input, please check this model instead VOLTEQ HY3…

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

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

$750.00 $419.95

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 $419.95

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 $419.95

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

Variable Switching Power Supply HY7520EX 0-75V 0-20A 220V Input

Variable Switching Power Supply HY7520EX 0-75V 0-20A 220V Input

$800.00 $469.95

This model takes 220V Input, for the same model with 110V input, please check this model instead VOLTEQ HY7520…

Switching DC Power Supply HY7520EX 75V 20A Over Voltage Over Current Protection 110V Input

Switching DC Power Supply HY7520EX 75V 20A Over Voltage Over Current Protection 110V Input

$800.00 $469.95

VOLTEQ HY7520EX is a high current, high voltage regulated DC power supply, with built-in over-voltage and over-curr…

Programmable DC Power Supply HY3050EP 0-30V 0-50A

Programmable DC Power Supply HY3050EP 0-30V 0-50A

$900.00 $479.95

Volteq HY3050EP is a programmable DC power supply with built-in Arduino Micro controller. If you are familia…

Switch Mode DC Power Supply HY10020EX 100V 20A 110V AC

Switch Mode DC Power Supply HY10020EX 100V 20A 110V AC

$1,200.00 $499.95

VOLTEQ HY10020EX is a high current, high voltage regulated switch mode DC power supply (SMPS),  with built-in …

Switching DC Power Supply HY10020EX 100V 20A 220V AC

Switching DC Power Supply HY10020EX 100V 20A  220V AC

$1,200.00 $499.95

This model takes 220V Input, for the same model with 110V input, please check this model instead VOLTEQ HY1002…

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 …

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…

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…

Programmable DC Power Supply HY30005EP 0-300V 0-5A Electrophoresis

Programmable DC Power Supply HY30005EP 0-300V 0-5A Electrophoresis

$1,600.00 $799.95

Volteq HY30005EP is a programmable DC power supply with built-in Arduino Micro controller. If you are famili…

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…

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