Free tool
PoE budget calculator
Will the switch carry the cameras? Enter the devices and their watts and see the load, the ports and the budget you need – with the 80 % rule.
Result
PoE load–
of the budget–
- Ports used–
- Recommended budget (load ÷ 0.8)–
Use the maximum watts from each device's data sheet (not the typical). Nothing you enter is sent or stored.
PoE standards at a glance
| Standard | Also called | Power at the switch port | Typical devices |
|---|---|---|---|
| 802.3af | PoE (Type 1) | 15.4 W | Fixed cameras, phones, readers |
| 802.3at | PoE+ (Type 2) | 30 W | Cameras with IR or heaters, access points |
| 802.3bt | PoE++ (Type 3 / 4) | 60 W / 90 W | PTZ cameras, multi-sensor cameras, displays |
Read more in the guide PoE budget explained.
Let GITECHY Design check every switch
PoE budgets, power supplies, batteries and voltage drop – on every design.