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PTF-61-EXT/PoE

1-channel surge protection to LAN Gigabit Ethernet, PTF-61-EXT
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1-channel LAN surge protection, designed for Gigabit Ethernet, compatible with 1000Base-T and 1000Base-TX standards. It contains a direct discharge of large surge currents individually from each wire of the LAN cable, without quite often used intermediary elements that reduce the protective effectiveness and have a huge impact on the emission or absorption of electromagnetic interferences. Very carefully designed multilayer PCB with special production process and modern components allowed to obtain the excellent parameters required in 6 category cabling.

Three protection levels using MOSFET technology effectively eliminate overvoltages that penetrate the cabling and introduce an additional separation buffer in the event of high potentials between the LAN switches and individual endpoints. MOSFET technology reduces the level of voltage that reaches the protected device (Up) during a lightning strike. It is not much higher than the rated operating voltage (Un). Obtaining such parameters is impossible when using conventional solutions.

Independent PoE protection circuits eliminate the voltage increase between pairs 1.2 - 3.6 and 4.5 - 7.8. This solution protects power supplies of LAN devices against damage due to overvoltage or unintentional voltage increase - for example as a result of damage to the PoE power supply. The solutions used are completely neutral for PoE regardless of the standard used, including Hi PoE.

PTF-61-EXT / PoE is designed for mounting near LAN endpoints such as: PCs, PLCs, IPC cameras, radio transmitters, IoT devices. It is equipped with a standalone enclosure with the possibility of mounting to the wall. For correct operation, it is necessary to properly ground the protection with the PE line and preferably the shortest possible ground point. It is also necessary to observe the directional operation of the protective function described in the user manual and do not reverse the connections of the device in the LAN system, which may cause its malfunction or even damage.

 

 

Proper LAN surge protection

Correct protection of a gigabit LAN using two pieces of the PTF-61

 

The PTF-61 can also be used on the LAN switch side, however, for many channels, we recommend the use of PTU-6xx or PF-6xx series multichannel protections.

LAN Gigabit Ethernet surge protection

Recommended protection for 16-point Gigabit Ethernet LAN

 

Technical specification

PARAMETER NAME
VALUE
Data line
Number of LAN channels 1
Supported Ethernet standards
10Base-T, 100Base-T, 1000Base-T, 1000Base-Tx
Compatibility with cabling Category 5, 5e i 6 (TIA)
Input connector (unprotected side) High quality shielded RJ-45 socket
Output connector (protected side) High quality shielded RJ-45 socket
Rated Voltage DC (line-ground) UN 90V DC
Maximum Voltage (line-ground) UC 110V DC
Protection Level 1kV/μs (line-ground) UP 600V
Surge Current (8/20µS, line-ground ) Iimp 2kA
Rated Voltage DC (line-line) UN 3.3V DC
Maximum Voltage (line-line) UC 3.5V DC
Protection Level 1kV/μs (line-line) UP
<8V
Surge Current (8/20µS, line-line) Iimp 75A (2kA after MOSFET reaction)
Protected lines
1-2, 3-6, 4-5, 7-8
Capacitnance (line-line) @1MHz 5pF
Capacitnance (line-ground) @1MHz 2-3pF
Decoupling Super fast MOSFET fuse
Serial resistance
6Ω / line
Rated Current IN 300mA / line
PoE Line
Rated Voltage DC (line-line) UN 57V DC
Maximum Voltage (line-line) UC 64V DC
Protection Level 1kV/μs (line-line) UP 75V
Surge Current (8/20µS, line-line) Iimp 73A (2kA after MOSFET reaction)
Rated Voltage DC (line-ground) UN 90V DC
Maximum Voltage (line-ground) UC 110V DC
Protection Level 1kV/μs (line-ground) UP 600V
Surge Current (8/20µS, line-ground ) Iimp 2kA
Protected pairs
(1+2)-(3+6), (4+5)-(7+8)
Supported PoE standards
Compatible with all types including Hi PoE
Common features
Dimensions 65 x 30 x 40 (mm)
Application Inside / outside in additional IP66 housing
Mounting Standalone / mounted on the wall
Grounding method Earthing conductor
Housing tightness IP54
Operating temperature -30ºC~60ºC