HESP Serie - Heavy Duty Surge Protectors

Der HESP4DR von B+B SmartWorx ist ein Heavy Duty Surge Protector.
Der HESP4DR von B+B SmartWorx ist ein Heavy Duty Surge Protector.
Die Überspannungsschutz Systeme von B+B SmartWorx sind ausgestattet mit einem seriellen RS-232, RS-422, RS-485 oder RS-422/485 Port (Terminal Block) und den Standards IEEE 1000-4-5: 1995 und IEEE C62.41-1991.

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HESP Series - Heavy duty data line surge protectors

IEEE 1000-4-5: 1995 and IEEE C62.41-1991 are the recognized standards for top quality, heavy duty surge protectors. B&B Electronics’ RS-232, RS-422, RS-485 data line surge protector units meet these specifications with three stage protection for maximum safety: a gas discharge tube feeds to a series resistor and a TVS (Transient Voltage Suppressor) for each supported line.

Tough metal panel mount cases protect models 232HESP, 422HESP and 485HESP. HESP4DR provides the same surge protection in a molded DIN Rail mount case. All of our heavy duty surge protectors have #10 ground screws which must be connected to a solid ground.


  • Three stages of protection on every data line
  • Protected signal ground connection
  • Rugged terminal block connections
  • Dedicated chassis ground lug
  • DIN or panel mount versions
  • RS-232, RS-422, RS-485 versions
  • Easy to install
232HESPRS-232 Surge Protector
422HESPRS-422 Surge Protector
485HESPRS-485 Surge Protector
HESP4DRRS-422/485 Dataline Surge Suppressor