UL 497A Rating Dataline and DC Signal Surge Suppressors
Last Updated: April 1, 2025
Description
UL 497A Rating Dataline and DC Signal Surge Suppressors are devices designed to protect secondary communications circuits from voltage surges. These suppressors are specifically intended for use in single- or multiple-pair-type communications circuits, ensuring that the integrity of the data being transmitted is maintained even in the presence of electrical disturbances.
Working Principle
These surge suppressors operate by limiting transient voltage surges that can occur on communication lines. They are particularly useful because they protect sensitive electronic equipment from damage caused by high voltage spikes, such as those induced by lightning strikes or other electrical anomalies. The suppressors achieve this by diverting excess voltage away from the protected lines, thereby maintaining the normal operation of the communication systems.
Applications
UL 497A Rating Dataline and DC Signal Surge Suppressors are commonly used in various communication systems. Specific examples include protecting industrial processing equipment, I/O cards, and transmission systems. They are also used in safeguarding displays and other communication devices that operate on 6V, 12V, and 24V DC applications, ensuring these systems remain operational during electrical surges.
Advantages over other Dataline and DC Signal Surge Suppressors
One of the key advantages of UL 497A rated suppressors is their compliance with stringent safety standards, ensuring reliable protection for communication circuits. They are designed to handle multiple signal lines, which is beneficial in complex communication networks that require protection across numerous channels. Additionally, these suppressors are robust enough to withstand high voltage surges, providing superior protection compared to some other types of surge suppressors.
Limitations
A limitation of these suppressors is that they are specifically designed for secondary communication circuits, which means they may not be suitable for primary power line protection. Additionally, their effectiveness can be limited by the number of lines they can protect simultaneously, which may require multiple units for larger systems.
Considerations
When selecting UL 497A Rating Dataline and DC Signal Surge Suppressors, it is important to consider the initial cost and the specific requirements of the communication system. Operating expenses are generally low, but the durability and accuracy of the suppressors should be evaluated to ensure long-term reliability. Replacement and maintenance costs should also be factored in, as these devices may need periodic inspection and testing to ensure they continue to provide adequate protection.
from Transtector Systems, Inc.
Data surge protector (also known as SPD or lightning protector) 1000-1270 from Transtector is an indoor style SPD that utilizes state of the art TBU/GDT technology to protect critical equipment in Gigabit Ethernet protocol data networks while remaining transparent to data throughput. This surge... [See More]
- Standards: UL 497A Rating; UL; RoHS
- Technology: Gas Tubes; TBU
- Application: Network Applications; Telecom. Applications; Computer Rooms; Control Lines and Sense Loops, Oil & Gas
- Mounting: Protection Module Bay
from Surge Suppression Incorporated
RJ45 All 8 Pins Protected Series - UL497A Listed [See More]
- Standards: UL 497A Rating; UL; ISO 9001:2008
- Technology: Hybrid; Sidactor, Up to 100Mbs
- Application: Data Acquisition; Network Applications; Telecom. Applications
- Mounting: Device Mount; In-line or Integrally Attached
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]
- Standards: UL 497A Rating
- Technology: Silicon Avalanche Diode; Gas Tubes; Hybrid
- Application: Data Acquisition; Medical Facilities; Computer Rooms
- Mounting: Wall/Panel; DIN Rail (optional feature); Device Mount; In-line or Integrally Attached
from Transtector Systems, Inc.
Data surge protector (also known as SPD or lightning protector) 1000-1269 from Transtector is an indoor style SPD that utilizes state of the art TBU/GDT technology to protect critical equipment in T1/E1 protocol data networks while remaining transparent to data throughput. This surge protector... [See More]
- Standards: UL 497A Rating; UL; RoHS
- Technology: Gas Tubes; TBU
- Application: Network Applications; Telecom. Applications; Computer Rooms; Control Lines and Sense Loops, Oil & Gas
- Mounting: Protection Module Bay
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]
- Standards: UL 497A Rating
- Technology: Silicon Avalanche Diode; Gas Tubes; Hybrid
- Application: Data Acquisition; Medical Facilities; Computer Rooms
- Mounting: Wall/Panel; DIN Rail (optional feature); Device Mount; In-line or Integrally Attached
from Transtector Systems, Inc.
Data surge protector (also known as SPD or lightning protector) 1000-1268 from Transtector is an indoor style SPD that utilizes state of the art TBU/GDT technology to protect critical equipment in 10/100 Base-T Ethernet protocol data networks while remaining transparent to data throughput. This... [See More]
- Standards: UL 497A Rating; UL; RoHS
- Technology: Gas Tubes; TBU
- Application: Network Applications; Telecom. Applications; Computer Rooms; Control Lines and Sense Loops, Oil & Gas
- Mounting: Protection Module Bay
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]
- Standards: UL 497A Rating
- Technology: Silicon Avalanche Diode; Gas Tubes; Hybrid
- Application: Data Acquisition; Medical Facilities; Computer Rooms
- Mounting: Wall/Panel; DIN Rail (optional feature); Device Mount; In-line or Integrally Attached
from Transtector Systems, Inc.
Data surge protector (also known as SPD or lightning protector) 1101-361 from Transtector is an indoor style SPD that utilizes state of the art SASD technology to protect critical equipment in Load Cell Protection protocol data networks while remaining transparent to data throughput. This surge... [See More]
- Standards: UL 497A Rating; UL
- Technology: Silicon Avalanche Diode
- Application: Network Applications; Telecom. Applications; Computer Rooms; Control Lines and Sense Loops, Oil & Gas
- Mounting: Wall/Panel
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]
- Standards: UL 497A Rating
- Technology: Silicon Avalanche Diode; Gas Tubes; Hybrid
- Application: Data Acquisition; Network Applications; Telecom. Applications; Medical Facilities; Computer Rooms
- Mounting: Wall/Panel; Device Mount; In-line or Integrally Attached; Plug-in
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]
- Standards: UL 497A Rating
- Technology: Silicon Avalanche Diode; Gas Tubes; Hybrid
- Application: Data Acquisition; Network Applications; Telecom. Applications; Medical Facilities; Computer Rooms
- Mounting: Wall/Panel; Device Mount; In-line or Integrally Attached; Plug-in
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]
- Standards: UL 497A Rating
- Technology: Silicon Avalanche Diode; Gas Tubes; Hybrid
- Application: Telecom. Applications; Medical Facilities; Computer Rooms
- Mounting: Wall/Panel; DIN Rail (optional feature); In-line or Integrally Attached
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]
- Standards: UL 497A Rating
- Technology: Silicon Avalanche Diode; Silicon Thyristor Diode; Hybrid
- Application: Telecom. Applications; Medical Facilities; Computer Rooms
- Mounting: Wall/Panel; DIN Rail (optional feature); In-line or Integrally Attached