In-Line / Integrally Attached Dataline and DC Signal Surge Suppressors

Last Updated: April 1, 2025

Description

In-Line / Integrally Attached Dataline and DC Signal Surge Suppressors are devices designed to protect data and DC signal lines from voltage spikes and surges. These suppressors are integrated directly into the line they are protecting, providing a seamless solution to safeguard sensitive electronic equipment from transient overvoltages.

Working Principle

These surge suppressors operate by diverting excess voltage away from the protected line when a surge occurs. They typically use components such as Metal Oxide Varistors (MOVs) or Gas Discharge Tubes (GDTs) to conduct the surge energy to the ground once the voltage exceeds a certain threshold. This mechanism ensures that the normal operation of the line is maintained at lower voltages, while higher voltages are safely managed, preventing damage to connected equipment. The usefulness of these devices lies in their ability to maintain signal integrity and protect against potentially damaging electrical transients.

Applications

In-Line / Integrally Attached Dataline and DC Signal Surge Suppressors are used in a variety of applications. They are essential in telecommunications to protect high-speed data lines and PoE (Power over Ethernet) systems. These suppressors are also used in industrial settings to safeguard microprocessor-based controls and sensors from voltage spikes. Additionally, they find applications in medical equipment, such as electronic diagnostic instruments, where maintaining signal accuracy is critical.

Advantages over other Dataline and DC Signal Surge Suppressors

These suppressors offer several advantages over other types. For instance, they provide a more integrated solution, reducing the need for additional components and simplifying installation. Their ability to handle high transient currents with lower clamping voltages makes them particularly effective in high-speed telecom applications. Moreover, some models feature replaceable components, such as GDTs, which can extend the lifespan of the suppressor after a surge event.

Limitations

One limitation of these suppressors is that they may not be suitable for all types of signal lines or environments. For example, their performance can be affected by extreme environmental conditions, which may require additional protective measures. Additionally, the initial cost of these integrated solutions can be higher compared to simpler, plug-in style suppressors.

Considerations

When selecting In-Line / Integrally Attached Dataline and DC Signal Surge Suppressors, it is important to consider factors such as initial costs, operating expenses, and durability. While the initial investment may be higher, the long-term benefits of reduced maintenance and replacement costs can be significant. The durability of these devices is generally high, but regular maintenance checks are recommended to ensure optimal performance. Additionally, the accuracy of signal protection should be evaluated to ensure compatibility with the specific requirements of the application.

37 Results
Data Surge Protector SPD TCP Indoor CCTV BNC SASD -- 1101-810
from Transtector Systems, Inc.

Data surge protector (also known as SPD or lightning protector) 1101-810 from Transtector is an indoor style SPD that utilizes state of the art SASD technology to protect critical equipment in CCTV protocol data networks while remaining transparent to data throughput. This surge protector provides... [See More]

  • Mounting: In-line or Integrally Attached
  • Technology: Silicon Avalanche Diode
  • Application: Network Applications; Telecom. Applications; Computer Rooms; Control Lines and Sense Loops, Oil & Gas
  • Connection: Coaxial Cable Connectors (BNC, F Type etc.)
Data Line Surge Protector -- DLP-10G-200V5
from MCG SURGE PROTECTION

MCG's rack-mount surge protectors (512H, 516H, etc.) are already internally con-. nected to the rack's metal framework. An additional ground wire is provided. for connection to the frame rack to insure continued excellent protection. [See More]

  • Mounting: Wall/Panel; DIN Rail (optional feature); Device Mount; In-line or Integrally Attached
  • Technology: Silicon Avalanche Diode; Gas Tubes; Hybrid
  • Application: Data Acquisition; Medical Facilities; Computer Rooms
  • Connection: Screw Down Terminals
DC Blocked Filter -- CSF-2000NFNF
from Comtelco Industries, Inc.

2GHz-3GHz DC BLOCKED FILTER [See More]

  • Mounting: In-line or Integrally Attached
  • Technology: Gas Tubes
  • Application: Audio & Video Applications
  • Connection: Coaxial Cable Connectors (BNC, F Type etc.)
TE/JC04C12
from ASCO Power Technologies

Advanced Protection Technologies (APT) has been a worldwide leader in the surge suppression industry since 1985. APT ’s surge protection products have long set the standard for protection of commercial & industrial facilities. surgeassure ™ was formed to bring this same level of... [See More]

  • Mounting: In-line or Integrally Attached
  • Technology: Hybrid
  • Application: Network Applications; Metasys™ Network N2 Bus
  • Connection: Screw Down Terminals
"Touch Friendly" Terminal Data Transmission Line Series -- DMxxxCy-B
from Surge Suppression Incorporated

"Touch Friendly" Terminal Strip Connected Data Transmission Line Protection - UL497B Listed [See More]

  • Mounting: DIN Rail (optional feature); Device Mount; In-line or Integrally Attached; "Touch Friendly" Enclosure
  • Technology: Hybrid; Up to 100Mbs
  • Application: Data Acquisition; Network Applications
  • Connection: Screw Down Terminals
Data Surge Protector SPD VPR3MCC Indoor POTS 15-Pin D-Subminiature SASD, Dispatch Operator Headset Interface -- 1101-748
from Transtector Systems, Inc.

Data surge protector (also known as SPD or lightning protector) 1101-748 from Transtector is an indoor style SPD that utilizes state of the art SASD technology to protect critical equipment in POTS protocol data networks while remaining transparent to data throughput. This surge protector provides... [See More]

  • Mounting: In-line or Integrally Attached
  • Technology: Silicon Avalanche Diode
  • Application: R56 Dispatch Consoles, MCC5500TM Dispatch Operator Headset Interface
  • Connection: DB Type Connector (DB 9, DB 25 etc.)
Data Line Surge Protector -- DLP-10H-6V5
from MCG SURGE PROTECTION

The DLP H & HH series provides superior surge protection for data and signal line applications. Using higher capacity components, these units offer an improved level of reliability than other similarly priced products. To cover a broader range of applications, four different styles of protection... [See More]

  • Mounting: Wall/Panel; Device Mount; In-line or Integrally Attached
  • Technology: Silicon Avalanche Diode; Gas Tubes; Hybrid
  • Application: Data Acquisition; Network Applications; Telecom. Applications; Audio & Video Applications; Medical Facilities; Computer Rooms; PLC I/O Ports, 4-20mA loops
  • Connection: Screw Down Terminals; 0
Gas Tube DC Pass Bulk Head Surge & Lightening Arrestor -- CPG-ONINF
from Comtelco Industries, Inc.

DC-3GHz GAS TUBE DC PASS BULK HEAD SURGE & LIGHTNING ARRESTOR [See More]

  • Mounting: In-line or Integrally Attached
  • Technology: Gas Tubes
  • Application: Audio & Video Applications
  • Connection: Coaxial Cable Connectors (BNC, F Type etc.)
Coax Type Protection Series -- CXBNCxxE1-B
from Surge Suppression Incorporated

Coax Type Protection Series - UL497B Listed [See More]

  • Mounting: Device Mount; In-line or Integrally Attached; "BNC" Type Connector In/Out
  • Technology: Hybrid
  • Application: Data Acquisition; Network Applications; Audio & Video Applications
  • Connection: Coaxial Cable Connectors (BNC, F Type etc.)
Data Line Surge Protector -- DLP-2070-25V
from MCG SURGE PROTECTION

MCG's rack-mount surge protectors (512H, 516H, etc.) are already internally con-. nected to the rack's metal framework. An additional ground wire is provided. for connection to the frame rack to insure continued excellent protection. [See More]

  • Mounting: Wall/Panel; Device Mount; In-line or Integrally Attached
  • Connection: Screw Down Terminals
  • Technology: Silicon Avalanche Diode; Gas Tubes; Hybrid
Gas Tube Surge Arrestor 50-700MHz DC Blocked -- CSG-50NFNF
from Comtelco Industries, Inc.

GAS TUBE SURGE ARRESTOR 50-700MHz DC BLOCKED [See More]

  • Mounting: In-line or Integrally Attached
  • Technology: Gas Tubes
  • Application: Audio & Video Applications
  • Connection: Coaxial Cable Connectors (BNC, F Type etc.)
Compact DIN Rail Mountable Series -- CL2PxxxA2DIN-B
from Surge Suppression Incorporated

Compact DIN Rail mountable [See More]

  • Mounting: DIN Rail; Device Mount; In-line or Integrally Attached
  • Technology: Hybrid; Up to 2Mbs
  • Application: Data Acquisition; Network Applications
  • Connection: Screw Down Terminals; Detachable Terminal Strip
Data Line Surge Protector -- DLP-20G-100V5, 4 WIRE DATA LINE surge protector
from MCG SURGE PROTECTION

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]

  • Mounting: Wall/Panel; Device Mount; In-line or Integrally Attached
  • Connection: Screw Down Terminals
  • Technology: Silicon Avalanche Diode; Gas Tubes; Hybrid
Conduit Style 4-20mA Current Loop Protection Series -- CLWxxA3PR-B
from Surge Suppression Incorporated

Conduit Style 4-20mA Current Loop Protection Series - UL497B Listed [See More]

  • Mounting: Device Mount; In-line or Integrally Attached; 3/4to1/2" Conduit, Wires In/Out Opp Ends
  • Technology: Hybrid
  • Application: Data Acquisition; Network Applications
  • Connection: Wired
Data Line Surge Protector -- DLP-25-100V, 5W&G, LIGHT DUTY PROT, DIN RAIL
from MCG SURGE PROTECTION

MCG ’s DLP-25 series is designed to protect critical control circuits from lightning induced transients. The DLP-25 series comes in three offerings – light duty, standard duty, and heavy duty and protects up to five wires. The DLP-25 uses a compact aluminum DIN rail mount enclosure. If a... [See More]

  • Mounting: Wall/Panel; DIN Rail; Device Mount; In-line or Integrally Attached
  • Connection: Screw Down Terminals
  • Technology: Silicon Avalanche Diode
Individual Circuit Protection Series I -- S-FSPT2-xxx-yy
from Surge Suppression Incorporated

Individual Circuit Protection Series 2 [See More]

  • Mounting: DIN Rail (optional feature); Device Mount; In-line or Integrally Attached
  • Technology: Hybrid
  • Application: Audio & Video Applications; Computer Rooms
  • Connection: Screw Down Terminals (optional feature); Wired
Data Line Surge Protector -- DLP-25AMP-100W-8,4W&G,AMPLIFIER PROT,DIN RAIL
from MCG SURGE PROTECTION

MCG ’s DLP-25 Amplifier surge protector Series is designed to protect amplifiers from lightning induced, or other, surges on the speaker cables. Left unchecked, these surges will cause damage or degraded performance of the output stages of an amplifier. Designed to be transparent to the audio... [See More]

  • Mounting: Wall/Panel; DIN Rail; Device Mount; In-line or Integrally Attached
  • Connection: Screw Down Terminals
  • Technology: Silicon Avalanche Diode
Security System Protection Series -- SC1B4D2P-B
from Surge Suppression Incorporated

Security System Protection Products - UL497B Listed [See More]

  • Mounting: DIN Rail (optional feature); Device Mount; In-line or Integrally Attached; 1 BNC Pair In/Out, 4 Data, 2 Power
  • Technology: Hybrid
  • Application: Data Acquisition; Network Applications; Audio & Video Applications
  • Connection: Screw Down Terminals; Coaxial Cable Connectors (BNC, F Type etc.)
Data Line Surge Protector -- DLP-3.15-18V
from MCG SURGE PROTECTION

MCG's rack-mount surge protectors (512H, 516H, etc.) are already internally con-. nected to the rack's metal framework. An additional ground wire is provided. for connection to the frame rack to insure continued excellent protection. [See More]

  • Mounting: Wall/Panel; In-line or Integrally Attached
  • Connection: DB Type Connector (DB 9, DB 25 etc.)
  • Technology: Silicon Avalanche Diode
Data Line Surge Protector -- DLP-3.25-18V-4W
from MCG SURGE PROTECTION

MCG's rack-mount surge protectors (512H, 516H, etc.) are already internally con-. nected to the rack's metal framework. An additional ground wire is provided. for connection to the frame rack to insure continued excellent protection. [See More]

  • Mounting: Wall/Panel; In-line or Integrally Attached
  • Connection: DB Type Connector (DB 9, DB 25 etc.)
  • Technology: Silicon Avalanche Diode
Data Line Surge Protector -- DLP-3.9-18V
from MCG SURGE PROTECTION

MCG's rack-mount surge protectors (512H, 516H, etc.) are already internally con-. nected to the rack's metal framework. An additional ground wire is provided. for connection to the frame rack to insure continued excellent protection. [See More]

  • Mounting: Wall/Panel; In-line or Integrally Attached
  • Connection: DB Type Connector (DB 9, DB 25 etc.)
  • Technology: Silicon Avalanche Diode
Data Line Surge Protector -- DLP-3.92-4
from MCG SURGE PROTECTION

MCG's rack-mount surge protectors (512H, 516H, etc.) are already internally con-. nected to the rack's metal framework. An additional ground wire is provided. for connection to the frame rack to insure continued excellent protection. [See More]

  • Mounting: Wall/Panel; In-line or Integrally Attached
  • Connection: RJ41, RJ45 or RJ48 Data Jacks
  • Technology: Silicon Avalanche Diode
Data Line Surge Protector -- DLP-30G-100V5, 8 WIRE DATA LINE surge protector
from MCG SURGE PROTECTION

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]

  • Mounting: Wall/Panel; Device Mount; In-line or Integrally Attached
  • Connection: Screw Down Terminals
  • Technology: Silicon Avalanche Diode; Gas Tubes; Hybrid
Data Line Surge Protector -- DLP-36B & DLM-200V-2
from MCG SURGE PROTECTION

MCG's rack-mount surge protectors (512H, 516H, etc.) are already internally con-. nected to the rack's metal framework. An additional ground wire is provided. for connection to the frame rack to insure continued excellent protection. [See More]

  • Mounting: Wall/Panel; Device Mount; In-line or Integrally Attached; Plug-in
  • Technology: Silicon Avalanche Diode; Gas Tubes; Hybrid
  • Application: Data Acquisition; Network Applications; Telecom. Applications; Medical Facilities; Computer Rooms
  • Connection: RJ21X
Data Line Surge Protector -- DLP-37A & DLM4-200V-2
from MCG SURGE PROTECTION

MCG's rack-mount surge protectors (512H, 516H, etc.) are already internally con-. nected to the rack's metal framework. An additional ground wire is provided. for connection to the frame rack to insure continued excellent protection. [See More]

  • Mounting: Wall/Panel; Device Mount; In-line or Integrally Attached; Plug-in
  • Technology: Silicon Avalanche Diode; Gas Tubes; Hybrid
  • Application: Data Acquisition; Network Applications; Telecom. Applications; Medical Facilities; Computer Rooms
  • Connection: Screw Down Terminals; Terminal Blocks or Punch down
Data Line Surge Protector -- DLP-4.0-18V-6W
from MCG SURGE PROTECTION

MCG's rack-mount surge protectors (512H, 516H, etc.) are already internally con-. nected to the rack's metal framework. An additional ground wire is provided. for connection to the frame rack to insure continued excellent protection. [See More]

  • Mounting: Wall/Panel; In-line or Integrally Attached
  • Connection: RJ11, RJ13 or RJ14 Phone Jacks
  • Technology: Silicon Avalanche Diode
Data Line Surge Protector -- DLP-4.1-60V-8W
from MCG SURGE PROTECTION

MCG's rack-mount surge protectors (512H, 516H, etc.) are already internally con-. nected to the rack's metal framework. An additional ground wire is provided. for connection to the frame rack to insure continued excellent protection. [See More]

  • Mounting: Wall/Panel; In-line or Integrally Attached
  • Connection: RJ41, RJ45 or RJ48 Data Jacks
  • Technology: Silicon Avalanche Diode
Data Line Surge Protector -- DLP-4.71-6V2, PROT, RJ11, 2,3,4,5 HEAVY DUTY
from MCG SURGE PROTECTION

MCG's rack-mount surge protectors (512H, 516H, etc.) are already internally con-. nected to the rack's metal framework. An additional ground wire is provided. for connection to the frame rack to insure continued excellent protection. [See More]

  • Mounting: Wall/Panel; Device Mount; In-line or Integrally Attached
  • Connection: RJ11, RJ13 or RJ14 Phone Jacks
  • Technology: Silicon Avalanche Diode; Gas Tubes; Hybrid
Data Line Surge Protector -- DLP-4.90-200V
from MCG SURGE PROTECTION

MCG's rack-mount surge protectors (512H, 516H, etc.) are already internally con-. nected to the rack's metal framework. An additional ground wire is provided. for connection to the frame rack to insure continued excellent protection. [See More]

  • Mounting: Wall/Panel; DIN Rail (optional feature); In-line or Integrally Attached
  • Technology: Silicon Avalanche Diode; Silicon Thyristor Diode; Hybrid
  • Application: Telecom. Applications; Medical Facilities; Computer Rooms
  • Connection: RJ11, RJ13 or RJ14 Phone Jacks
Data Line Surge Protector -- DLP-5.92-7.5V
from MCG SURGE PROTECTION

MCG's rack-mount surge protectors (512H, 516H, etc.) are already internally con-. nected to the rack's metal framework. An additional ground wire is provided. for connection to the frame rack to insure continued excellent protection. [See More]

  • Mounting: Wall/Panel; In-line or Integrally Attached
  • Connection: RJ41, RJ45 or RJ48 Data Jacks
  • Technology: Silicon Avalanche Diode
Data Line Surge Protector -- DLP-B-DIN
from MCG SURGE PROTECTION

MCG's rack-mount surge protectors (512H, 516H, etc.) are already internally con-. nected to the rack's metal framework. An additional ground wire is provided. for connection to the frame rack to insure continued excellent protection. [See More]

  • Mounting: DIN Rail; In-line or Integrally Attached
  • Connection: RJ41, RJ45 or RJ48 Data Jacks
  • Technology: Silicon Avalanche Diode
Data Line Surge Protector -- DLP-PoE-60V-A
from MCG SURGE PROTECTION

MCG's rack-mount surge protectors (512H, 516H, etc.) are already internally con-. nected to the rack's metal framework. An additional ground wire is provided. for connection to the frame rack to insure continued excellent protection. [See More]

  • Mounting: Wall/Panel; In-line or Integrally Attached
  • Connection: RJ41, RJ45 or RJ48 Data Jacks
  • Technology: Silicon Avalanche Diode
DC Surge Protector -- MCG-12A
from MCG SURGE PROTECTION

Direct current equipment level surge protectors are designed to protect up to 15A of continuous DC load current. The MCG-12A-MCG-130A installs at or within equipment such as DC servo mechanisms, fire alarm monitoring systems, security system controls, telecom and datacom systems, etc. to provide... [See More]

  • Mounting: Wall/Panel; DIN Rail (optional feature); Device Mount; In-line or Integrally Attached
  • Technology: Metal Oxide Varistor
  • Application: Medical Facilities; Computer Rooms; Direct Current Equipment
  • Connection: Screw Down Terminals
PLC Surge Protection -- PLC-15A-25V-220VAC DIN RAIL MOUNT surge protector
from MCG SURGE PROTECTION

MCG's rack-mount surge protectors (512H, 516H, etc.) are already internally con-. nected to the rack's metal framework. An additional ground wire is provided. for connection to the frame rack to insure continued excellent protection. [See More]

  • Mounting: Wall/Panel; Device Mount; In-line or Integrally Attached
  • Connection: Screw Down Terminals
  • Technology: Metal Oxide Varistor; Silicon Avalanche Diode
Rackmount Data Line Surge Protectors -- 512H-200V8W-FB/1U, RACKMOUNT, 8W, 12 PORT, IDC110-RJ45, HF
from MCG SURGE PROTECTION

MCG's rack-mount surge protectors (512H, 516H, etc.) are already internally con-. nected to the rack's metal framework. An additional ground wire is provided. for connection to the frame rack to insure continued excellent protection. [See More]

  • Mounting: In-line or Integrally Attached; Rack
  • Connection: RJ41, RJ45 or RJ48 Data Jacks
  • Technology: Silicon Avalanche Diode; Silicon Thyristor Diode; Hybrid
Rackmount Data Line Surge Protectors -- 612-240V-4W
from MCG SURGE PROTECTION

MCG's rack-mount surge protectors (512H, 516H, etc.) are already internally con-. nected to the rack's metal framework. An additional ground wire is provided. for connection to the frame rack to insure continued excellent protection. [See More]

  • Mounting: In-line or Integrally Attached; Rack
  • Connection: RJ11, RJ13 or RJ14 Phone Jacks; RJ41, RJ45 or RJ48 Data Jacks
  • Technology: Silicon Avalanche Diode
Rackmount Data Line Surge Protectors -- 648-C6
from MCG SURGE PROTECTION

MCG's rack-mount surge protectors (512H, 516H, etc.) are already internally con-. nected to the rack's metal framework. An additional ground wire is provided. for connection to the frame rack to insure continued excellent protection. [See More]

  • Mounting: In-line or Integrally Attached; Rack
  • Connection: RJ41, RJ45 or RJ48 Data Jacks
  • Technology: Silicon Avalanche Diode