ISD-1110-T/ISD-1130-T Series

ISD-1110-T/ISD-1130-T Series

Data line surge protectors

The ISD-1100-T series is a serial surge suppressor which provides surge protection for serial data lines to prevent damage to devices such as modems, fax machines, I/O ports, terminals, instrumentation, hubs, and any other devices that use serial data connections. The ISD-1100-T can add serial data line protection to a variety of serial connections: RS-232, RS-422, and RS-485.

Manual (1)
Name Action
ISD-1100-T/1200-T Series Datasheet
Name Action
ISD-1100/1200 Series HIG


  • • ISD-1210-T/1230-T: IEC 61643-21 C2 (20 kV protection)
  • Supports RS-232 or RS-422/485
  • Compact size for easy installation
  • Wide temperature model available for -40 to 85°C environments
  • • ISD-1110-T/1130-T: EN 61000-4-5 Level 4 
  • Surge protection for serial data lines 
  • Plug and play

Ordering info

Available Models
Model No. Description
ISD-1110-T 7 data line entry surge protector, RS-232, 4 kV surge protection, -40 to 85°C operating temperature
ISD-1130-T 4 data line entry surge protector, RS-422/485, 4 kV surge protection, -40 to 85°C operating temperature


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