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Single Stage Surge Protectors -- 232DSP
from B&B Electronics

The 485FPP single stage surge protector model has surge suppression and fast-acting 125 mA fuses to protect against transient voltages that are too long or too large for normal suppression. Once blown, this unit must be replaced. For RS-422 and RS-485 circuits. 600W surge suppression. Simple in-line... [See More]

  • Connection: DB Type Connector (DB 9, DB 25 etc.)
  • Mounting: In-line or Integrally Attached
  • Signal Protection: Dataline & DC Signal
  • Maximum AC Power: 600
Surge Suppressor -- 309010
from Electro Standards Laboratories

Model 303 protects your computer's data interface from destructive transient voltages caused by lightning, brownouts and rolling brownouts!. Sure-Guard Surge Suppressors are designed to limit transient voltages that damage hardware and disrupt data transmission between computers at the DB25 Serial... [See More]

  • Connection: DB Type Connector (DB 9, DB 25 etc.)
  • Mounting: Plug-in