Gas Tube Dataline and DC Signal Surge Suppressors Datasheets

RS-422 High Energy Surge Protector -- BB-422HESP
from Advantech

Three stages of protection on every data line: 1) Gas discharge tube 2) Series resistor 3) Transient voltage suppressor. Protected signal ground connection. Rugged terminal block connections. Dedicated chassis ground lug [See More]

  • Technology: Gas Tubes
  • Connection: Terminal Block
  • Mounting: Wall/Panel
  • Clamping Voltage: 6.45 to 108
Overvoltage Protection Unit -- OVP-100
from Define Instruments

What it does: Protects your expensive instrumentation against power surges. Enjoy all the benefits of a high level of protection concentrated in a compact space. At a glance: Compact DIN rail mounting unit. High level of protection. Uses gas discharge tubes and transient voltage suppressors [See More]

  • Technology: Gas Tubes
  • Surge Current: 5000
  • Mounting: DIN Rail
  • Maximum DC Power: 600
D60301R Series -- D60301-001R
from Advanced Protection Technologies, Inc.

Data and I/O are often overlooked as sources of problems for automation processes. Many times damaging transient can come in through the "back door" and disrupt a control system or damage a critical sensor because most industrial control hardware does not come with transient protection, it has to be... [See More]

  • Technology: Gas Tubes; Hybrid; Tanzorbs, Inductors, and Resistors
  • Mounting: DIN Rail
  • Application: Data Acquisition; Network Applications
  • Connection: Screw Down Terminals
Heavy Duty Surge Protectors -- 232HESP
from Advantech B+B SmartWorx

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. IEEE 1000-4-5: 1995 and IEEE C62.41-1991 are... [See More]

  • Technology: Gas Tubes
  • Connection: 5 Position Terminal Blocks
  • Mounting: Wall/Panel (optional feature); DIN Rail
  • Clamping Voltage: 14.3 to 108
Dataline Surge Protector -- CMJ8-POE ModeA/Mode B

Designed to protect Power-Over-Ethernet (POE) (Mode B) network devices with transmission speeds up to 100BaseT. All eight pins are protected by a carefully designed circuit that isolates data from ethernet power lines. The ultra-sharp clamping response permanently eliminates transients from your POE... [See More]

  • Technology: Gas Tubes; Hybrid; Diode
  • Mounting: Attached Pole Mount Brackets for Surface or Pole Mounting
  • Application: Network Applications
  • Connection: RJ41, RJ45 or RJ48 Data Jacks; Screw Down Terminals
DC Blocked Filter -- CSF-2000NFNF
from Comtelco Industries, Inc.


  • Technology: Gas Tubes
  • Mounting: In-line or Integrally Attached
  • Application: Audio & Video Applications
  • Connection: Coaxial Cable Connectors (BNC, F Type etc.)
19" Rack Mount Quad Hi-Power Telephone/DSL/T1 - RJ11 Jacks -- RMSP-DT-4
from L-com, Inc.

The RMSP-DT-4 is a high performance 3-stage lightning protector that provides superior protection for up to four DSL, Telephone and T1 lines from transients and surges. Failsafe Feature. The RMSP-DT-4 is designed to convert into a failsafe mode in the rare case of a catastrophic surge or lightning... [See More]

  • Technology: Gas Tubes; Low Capacitance Diode Array
  • Mounting: Plug-in; Rack
  • Application: Data Acquisition; Network Applications; Telecom. Applications; Computer Rooms; Telephone/DSL Lines
  • Connection: RJ11, RJ13 or RJ14 Phone Jacks
Data Line Surge Protector -- DLP-10G-100V5, 2 WIRE DATA LINE surge protector

The DLP-10G/20G/30G Series are triple-stage hybrid surge protectors that combine brute force primary protection. with high speed silicon Avalanche diode stages for rigorous transient clamping. This series guards mainframes, process controllers and other complex instrumentation from damage due to... [See More]

  • Technology: Silicon Avalanche Diode; Gas Tubes; Hybrid
  • Connection: Screw Down Terminals
  • Mounting: Wall/Panel; Device Mount; In-line or Integrally Attached
Current Loop Surge Suppressor -- Model 621-48
from Peradata Technology Corporation

This 2 line, DIN rail mounted, surge suppressor protects sensors, transmitters, PLCs, etc against surges carried on current loop data cables. It features wire terminal connections for ease of installation. [See More]

  • Technology: Gas Tubes; Solid State
  • Connection: wire terminal connections for input and output
  • Mounting: DIN Rail
  • Maximum DC Power: 2100