• Login
Limited Lifetime Warranty

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

Add to Cart Buy Now

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


  • Temperature (Storage Range) -40 ~ 85°C (-40 ~ 185°F) x
  • Temperature (Operating Range) -40 ~ 80°C (-40 ~ 176°F)
Office Locations


Monday-Friday, 7am-5pm CST

Contact Advantech