Is there a fuse on a poe switch?

Yes, most Power over Ethernet (PoE) switches have built-in protection mechanisms, including fuses or circuit breakers, to safeguard against power surges and overloads. These protective features help prevent damage to the switch and connected devices. However, the specific design and features can vary by model and manufacturer, so it's always best to consult the product documentation for details on a specific PoE switch.