Express Systems will have an EARLY CLOSING Friday, July 1st, 2022 and will be CLOSED Monday, July 4th, 2022 in observance of The July 4th Holiday. We will resume regular business hours Tuesday, July 5th, 2022 at 9:00am EST. Wishing everyone a Happy & Safe Holiday Weekend!
ISD-1110/1130 Series entry-level surge protectors and ISD-1210/1230 advanced surge protectors; RS232 or RS422/485 w/ surge protection and available extended temperature models.