TRANSTECTOR 1101-372-3 Data Surge Protector FSP4003MC
The data surge protection unit is rated for indoor use. Protection from surge for RS-232 / RS-422 devices in this Transtector SPD component is in the form of Silicon Avalanche Suppression Diode (SASD).
Transtector DR120 DIN Rail Mount 120VAC Surge Protector
Sale is for 1-Transtector.