BB-HESP4DR - Serial Surge Protector, RS-485 Data Line, 3 Stage, DIN

The BB-HESP4DR protects from lightning, surges, voltage disturbances with 3 stages on each line: gas discharge tube, series resistor and transient voltage suppresser. Five RS422/485 signals on TBs with 6.8V clamping voltage. Must have good connection between #10 grounding screw and solid earth ground.

  • Three stages of protection on every data line:
    • Gas discharge tube
    • Series resistor
    • Transient voltage suppressor
  • Protected signal ground connection
  • Terminal Block
  • Dedicated chassis ground lug
  • DIN Rail Mounting
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