Power · UPS Calculator

Add up the power of PoE cameras and monitoring equipment and size the UPS.

PoE Cameras

Fixed cameras About 3.75W each

PTZ cameras About 8.0W each

VMS server (290W)

NVR standard (250W)

NVR advanced (360W)

Monitoring PC (120W)

Monitor 24–32″ (40W)

Monitor 43–55″ (100W)

Item	Qty	Unit power	Power
Total			—

PoE budgetThe switch's total PoE budget must exceed the PoE power above.
Inrush currentStartup current spikes, so size breakers at 1.5× the total or more.
Heat output1W ≈ 3.41 BTU/h. Use this when sizing cooling.