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BB-HESP4DR RS-422/485 Dataline Surge Suppressor

  • 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
Certifications CE FCC RoHS

20 Pc(s) (In Stock)
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More Description

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.

Extended Specifications


  • Technology Serial

  • 0 ~ 95%, non-condensing
  • RS-422 RS-485
  • Plug-in 5P/15P screw terminal blocks


  • Temperature (Storage Range) -40~85°C (40~185 °F)
  • Temperature (Operating Range) -40 ~ 80° C (-40 ~ 176° F)
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Monday-Friday, 7am-5pm CST

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