Regulated Power Supply

Carspa all electronic power supply as device to convert ac to dc
Carspa has all electronic power supply with following series: HS, LPV, DR, SC series HS Series Single Output ac to dc converter device switching Power Supply LPV Series Waterproof LED device to converter ac to dc Switching Power Supply DR series DIN Rail electronic Power Supply SC series Security Power Supply with UPS function
HSF-20W Series Compact Single Switching Power Supply

HSF-20W Series Compact Single Switching Power Supply

universal AC input; Small volume,low weight,high efficiency; Protections:short circuit/over load/over voltage/over temp; cooling by free air convection; LED indicator for power on; 100% full load burn-in test; 2 Years warranty ...

HSF-20W Series Compact Single Switching Power Supply
LPV-12W Series LED Constant Voltage Waterproof Switching Power Supply

LPV-12W Series LED Constant Voltage Waterproof Switching Power Supply

Constant voltage style power supply; Universal AC input range; Small volume, low weight, high efficiency; Protections:short circuit/over load/over voltage/over temp; Cooling by free air convection; Fully encapsulated with IP67 level ...

LPV-12W Series LED Constant Voltage Waterproof Switching Power Supply
LPV-20E Series LED Waterproof Power Supply

LPV-20E Series LED Waterproof Power Supply

Constant voltage design; Universal AC input / Full range; Withstand 300VAC surge input for 5 seconds; Protections: Short circuit / Overload / Over voltage; Cooling by free air convection; Small and compact size; Fully encapsulated with IP67 level(Note.7) ...

LPV-20E Series LED Waterproof Power Supply
LPV-20W Series LED Constant voltage waterproof switching power supply

LPV-20W Series LED Constant voltage waterproof switching power supply

Constant voltage style power supply; 170~264VAC AC input range; Small volume,low weight,high efficiency; Protections: short circuit/over load/over voltage/over temp; Cooling by free air convection; Fully encapsulated with IP67 level ...

LPV-20W Series LED Constant voltage waterproof switching power supply
LPV-30W Series LED Constant Voltage Waterproof Switching Power Supply

LPV-30W Series LED Constant Voltage Waterproof Switching Power Supply

Constant voltage style power supply; 170~264VAC AC input range; Small volume,low weight,high efficiency; Protections: short circuit/over load/over voltage/over temp; Cooling by free air convection; Fully encapsulated with IP67 level ...

LPV-30W Series LED Constant Voltage Waterproof Switching Power Supply
LPV-35E Series LED Waterproof Power Supply

LPV-35E Series LED Waterproof Power Supply

Constant voltage design; Universal AC input / Full range; Withstand 300VAC surge input for 5 seconds; Protections: Short circuit / Overload / Over voltage; Cooling by free air convection; Fully encapsulated with IP67 level(Note.9) ...

LPV-35E Series LED Waterproof Power Supply
LPV-50W Series LED Constant Voltage Waterproof Switching Power Supply

LPV-50W Series LED Constant Voltage Waterproof Switching Power Supply

Constant voltage style power supply; 170~264VAC AC input range; Small volume,low weight,high efficiency; Protections: short circuit/over load/over voltage/over temp; Cooling by free air convection; Fully encapsulated with IP67 level; 100% full load burn-in test; 2 Years warranty ...

LPV-50W Series LED Constant Voltage Waterproof Switching Power Supply
LPV-60W Series LED Constant Voltage Waterproof Switching Power Supply

LPV-60W Series LED Constant Voltage Waterproof Switching Power Supply

Constant voltage style power supply; universal AC input range; Small volume,low weight,high efficiency; Protections: short circuit/over load/over voltage/over temp; Cooling by free air convection; Fully encapsulated with IP67 level; 100% full load burn-in test; 2 Years warranty ...

LPV-60W Series LED Constant Voltage Waterproof Switching Power Supply
LPV-100W Series LED Constant Voltage Waterproof Switching Power Supply

LPV-100W Series LED Constant Voltage Waterproof Switching Power Supply

Constant voltage style power supply; universal AC input range; Small volume,low weight,high efficiency; Protections: short circuit/over load/over voltage/over temp; Cooling by free air convection; Fully encapsulated with IP67 level; 100% full load burn-in test; 2 Years warranty; ...

LPV-100W Series LED Constant Voltage Waterproof Switching Power Supply
LPV-120W Series LED Constant Voltage Waterproof Switching Power Supply

LPV-120W Series LED Constant Voltage Waterproof Switching Power Supply

Constant voltage style power supply; 180~264VAC AC input range range; Small volume,low weight,high efficiency; Protections: short circuit/over load/over voltage/over temp; Cooling by free air convection; Fully encapsulated with IP67 level; 100% full load burn-in test; 2 Years warranty ...

LPV-120W Series LED Constant Voltage Waterproof Switching Power Supply
Principle of the switching power supply

After the AC voltage is rectified and filtered by the rectifier circuit and the filter circuit, it becomes a DC voltage with a certain pulsating component. The voltage enters the high-frequency converter and is converted into a square wave of the required voltage value. Finally, the square wave voltage is rectified and filtered. to the required DC voltage. The control circuit is a pulse width modulator, which is mainly composed of a sampler, a comparator, an oscillator, a pulse width modulation and a reference voltage circuit. This part of the circuit has been integrated at present, and various integrated circuits for switching power supplies have been made. The control circuit is used to adjust the switching time ratio of the high frequency switching element to achieve the purpose of stabilizing the output voltage.

What is the difference of the HS, LPV, DR AND SC series

HS series nearly can cover all power supply you need with item No. HS-15W, HS-25W, HS-35W, HS-50W, HS-60W, HS-75W, HS-100W, HS-120W, HS-150W, HS-250W, S-350W, S-400W, S-500W, S-600W   
LPV series is mostly used with LED with waterproof function with item No.: LPV-12W, LPV-20W, LPV-30W, LPV-50W, LPV-100W, LPV-120W, LPV-150W, LPV-200W, LPV-250W
DR series can be installed with din rail with item No.: DR-30W, DR-45W, DR-60W, DR-75W, DR-120W, DR-240W
SC series with ups function support the device with battery when AC is out with item No.: SC-35W, DC-60W, DC-120W

How to choose a switching power supply

1.    Check the AC voltage you have.
2.    Check the load power.
3.    Check the installation environment.

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