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Ordering Information
| Model | Part Number to Order | Description |
| ULI-242T | BB-232HESP | 3-stage RS-232 Surge Suppressor, 5 Protected Lines, Panel Mount. |
| ULI-244TI | BB-HESP4DR | 3-stage RS-422/485 Surge Suppressor, 5 Protected Lines, Wide Temperature, DIN Rail Mount. |
| ULI-244T | BB-422HESP | 3-stage RS-422/485 Surge Suppressor, 5 Protected Lines, Panel Mount. |
| ULI-246T | BB-485HESP | 3-stage RS-485 Surge Suppressor, 3 Protected Lines, Panel Mount. |