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August 6, 2018

Robust 24VAC to 24VDC Power Supply, 50 Watts

24VAC to 24VDC AC/DC converter  

24 volt AC/DC converters with 19 to 28 VAC input. Made in USA, NAFTA qualified.

24VAC inverters, DC converters, battery backupsMore 24VAC low voltage power options

These are regulated switching power converters (switchmode), designed to allow the use of 24 volt DC equipment in 24VAC security, CCTV camera systems and energy management applications. These 50 Watt converters have been designed to be very rugged electrically and have precise voltage regulation.

These are also known as 24 volt rectifiers, and voltage regulators. They can be used whenever 24VAC power is available and 24VDC power is needed, up to 60 watts.

Custom output voltages are available by special order, let us know what you need.

Prices:
PST-ADC2424-2A add_to_cart.gif
Quantity Price
1-9 $48
10-99 $43
100-499 $39
500+ $36

24VAC to 24VDC rectifier for security camera installations

   

Input Voltage

20.5VAC to 28VAC, 50Hz or 60Hz

Output Voltage

24.0 VDC ± 0.2 VDC

Output Current

2A or less, 3A if the input voltage is above 24VAC

Line regulation

± 8%

Load regulation

± 8.0%

Maximum output ripple

5% p-p

Maximum switching noise level

90mV p-p

Maximum operating temperature range

-40°C to 75°C (-40°F to 167°F)

Maximum storage temperature range

-40°C to 90°C (- 40°F to 194°F)

Minimum efficiency

78% 24 VAC input, 0.15A load

Physical Specifications

Weight

3.8 oz, 108 grams

Dimensions including flange

Length

Width

Height

126mm, 5 inches
56 mm, 2.2 inches
43 mm, 1.7 inches
Mounting holes Slots are 6mm wide, 10mm long and 114 mm center-to-center  
Drawing for mounting    

Connections

Input connector

Output connector

2 position screw terminal block

2 position screw terminal block

Maximum output current depends on input voltage*

Minimum input voltage Maximum output current at 24VDC Watts
22 VAC 500 mA 12W
23.1 VAC 1A 24W
24.4 VAC 2A 48W
25.1 VAC 3A 72W
*This calculation assumes that there the AC input source has enough power to supply the watts output.


Q: I don't have 60 watts available on my 24VAC line, is it OK to operate the PST-AC2424-2A at lower powers?
A: Yes, you can use this converter at lower powers. The power supply module will only draw the power it needs to supply your load. Of course there must be enough power (watts) available on the 24VAC line to power your load.

Q: How can you regulate the voltage so accurately with such a wide range of input voltages?
A: The PST-AC2424-2.5A is not just a rectifier, it is a fully configured switchmode power supply with a wide range input centered on 24VAC. With the current and voltage feedback loops in the switchmode circuit, the output voltage can be locked solid. This makes the output voltage independent of input voltage or output current.

Q: Does the rectifier add noise to the AC line?
A: No, the sine wave of the AC line is not distorted by the PST-AC2424-2A. Thus you don't have to worry about noise being transmitted to other devices connected to the 24VAC line. However, most other rectifiers do distort the AC power considerably, especially half-wave rectifiers.

Advantages:

OEM Battery Chargers Inexpensive Switchmode low voltage AC/DC Converter.

OEM Battery Chargers High efficiency.

OEM Power Supplies Excellent line and load regulation.

Universal Power Input OEM Power Supplies and OEM Battery Chargers Wide input voltage range.


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