Power over Ethernet - PoE Datasheets – Mouser

POE-SPLT-4805G | Gigabit PoE Splitter/Voltage Converter, 48V 802.3at Input, 5VDC and Data Output, 25W

Intellinet 2-Port Gigabit Ultra PoE Injector (561488) – Intellinet Europe

GigE PoE Splitter/Voltage Converter

40a 2p Afdd Afci Arc Fault Protector Dector Circuit Breaker Interrupte Overload Earth Leakage Short Circuit Voltage Protection - Circuit Breakers - AliExpress

Electronic Overload Relays IEC: LRF, LRD & K Non-Differential Thermal Relays

POE-SPLT-2424AC-G | Gigabit PoE Splitter/Voltage Converter, 18-36V PoE Input, 24VAC and Data Output, 40W

Simple circuit design tutorial for PoE applications - EE Times

Gigabit POE Converter

Waterproof PoE Splitter Adapter 38V-57V Input Voltages for Camera IEEE 802.3af Compliant PoE Splitter Adapter Dropshipping - AliExpress

DC/DC Converter GigE 802.3bt PoE Injector