Step 3 - Select a power supply

Built-in power is often included in the Page Control, so an additional power supply may not be needed. The amount of power required for a paging system is based on the quantity and type of Page Control and Speakers/Horns selected.

  • Products that Neither Consume or Provide Power are a 0
  • NOTE: One VPU = 50 mA., -24 Vdc
  • VPU Listings are on the Product Pages

Easy Selection Considerations:

Products provide or consume power and are assigned a VPU (VPU:

Power Provided + # or Power Consumed - #

Simply Total All

Example:  
a. Page Control VPU's 1 x 30  = +30 VPU Provided
b. Speaker/Horn VPU's 1 x -15 =  -15 VPU Consumed
c. Subtract b. from a.             = +15 VPU's Left Over
  No Power Supply Needed!
  • Have VPU's Left Over - You Can Add More Speakers!
  • Need More - Simply Select a Power Supply with Enough VPU's to Make Up the Difference