PoE Budget
Add up how much power your switch reserves for each PoE device (by 802.3 class) and check whether the budget and ports are enough. All the math runs in your browser.
Budget utilization
0 / 0 W 0%
Required (PSE)
0 W
power the switch reserves
Budget
0 W
switch PoE budget
Margin
0 W
available
PoE ports
0 / 0
used / available
Delivered (PD)
0 W
usable power at the devices
Utilization
0%
required / budget
Breakdown by device
| Device | Class / standard | Qty | PSE/ea | Total PSE | Total PD |
|---|
Reference · IEEE 802.3 classes
| Class | Standard | PSE reservation | Max. PD |
|---|---|---|---|
| Class 0 | 802.3af | 15.4 W | 12.95 W |
| Class 1 | 802.3af | 4 W | 3.84 W |
| Class 2 | 802.3af | 7 W | 6.49 W |
| Class 3 | 802.3af | 15.4 W | 12.95 W |
| Class 4 | 802.3at (PoE+) | 30 W | 25.5 W |
| Class 5 | 802.3bt (PoE++) | 45 W | 40 W |
| Class 6 | 802.3bt (PoE++) | 60 W | 51 W |
| Class 7 | 802.3bt (PoE++) | 75 W | 62 W |
| Class 8 | 802.3bt (PoE++) | 90 W | 71.3 W |
Type 1 = 802.3af (PSE 15.4 W) · Type 2 = 802.3at / PoE+ (30 W) · Type 3/4 = 802.3bt / PoE++ (60 / 90 W).
Runs locally in your browser · no sign-up · nothing leaves your browser.