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November 17, 2017

High Power 48V Power Supply, 960 Watts

36VDC and 48VDC switchmode power supplies More 48 volt switchmode power supplies

1340 watt power supply for marine and commercial audio use line drawing of the high power low noise audio power supplies

Summary:Closed frame power supply, 48 volts, 960 Watts. Designed for low audio noise.

Suggested Applications: Wherever a high power 48 volt power supply is needed. These can also be placed in parallel for more power.


These power supplies feature regulated and filtered outputs which allow for clean audio demonstrations without the slightest hint of noise.
Their low profile design allows for convenient mounting under a display vehicle or behind a display board.
Virtually Silent Operation. All PST-DLS power supplies utilize an advanced switching design. There is no low frequency transformer hum. Every unit is equipped with a cooling fan that is virtually silent.
The PST-DLS power supplies feature thermal control circuitry that engages the fan only when internal temperatures require it (typically 75% of full load). They have small compact sizes compared to the transformer based power chargers. The switch mode technology utilized in DLS power supplies has up to 86% efficiency. This superior design results in cooler operating temperatures and compact size.

Summary table high power 48 volt Power supplies (full specifications are listed in the next table).  
Model number Continuous Amps Input Voltage Output Watts Weight Dimensions Mounting Drawing AC Service Required Price
Quantity 1-9
Price
Quantity 10+
PST-DLS-48-20 48V power supply 20A 108-132 VAC
47-63 Hz
960W 7.8 lbs 13x6.5x3.5 inches click here for mounting drawing 1000VA $440
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$396
PST-APS-HK4 4 gauge hook-up kit with quick-release connectors             $64
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$58
* These are designed to exceed UL requirements.

Specifications:
Specifications
Parameter Value    
Output voltage 48 power supply 48V 48VDC  
Output voltage tolerance ±0.7% no load  
Maximum ripple and noise 100 mV RMS    
Input voltage rage 108-132 VAC    
Input frequency 47-63Hz    
Typical efficiency >80%    
Short circuit protection Yes    
Overload protection Yes    
Line regulation <1%    
Load regulation <1% at output terminals  
Recommended output wire gauge 4 AWG    
Output terminals 4 AWG screw terminals    
Fan control Proportional-- Fan only comes on when needed  
Fan type Special ultra low audio noise fan     
Over temperature protection 80°C Turns off  
Ambient temperature 0°C to 40°C    
Storage temperature -20°C to 80°C    
Warranty 2 Years    


Usage Note: Typical AC outlets are 1540VA, 14 amp service. To run the higher power units you will need higher power service than is typically available in a wall plug. Please consult competent technical authorities to determine the total load on the circuit you intend to supply the power with, including other things plugged into the same circuit.


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