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Single Stage Surge Protectors

Protection that fits your budget

These DB-9, RS-232, RS-422 and RS-485 single stage surge protectors offer a high degree of protection at a budget-minded price. Each is a quality unit with a TVS (Transient Voltage Suppressor) for each protected line. Models are available for Ethernet, USB and serial circuits.

View and compare our single stage surge protectors below.  Click on each model to view a photo and see the Details, Download, and Accessories tabs for further information.