The ESP-100-POE-24 are a low cost ethernet surge protector to help protect sensitive equipment from surges caused by lightning and grid power fluctuations.
They have a full metal body for improved EMI suppression and have integral mounting feet and separate ground wire. They are designed for indoor or outdoor use inside a weatherproof enclosure.
The ESP-100 is compatible with POE systems up to 24V. Protection is provided on all 8 CAT5 wires.
The TP-ESP-100-POE24 survives many surge events and keeps on ticking.