Express Systems will have an EARLY CLOSING Wednesday, July 3, 2024 and will be CLOSED Thursday, July 4th, 2024 and Friday, July 5th, 2024 in observance of The July 4th Holiday. We will resume regular business hours Monday, July 8th, 2024 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.