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PTF-51-PRO/PoE/Micro

Miniature surge arrster to LAN network, PTF-51-PRO/PoE/Micro
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The PTF-51-PRO/PoE/Micro is a miniature surge arrester, designed to 100-BaseT LAN, based on UTP cables of 5 or 6 category. Small dimensions and built-in cable with RJ-45 plug enables quick and easy assembly and concealment of the device in small housings. Excellent to mount mount in deep base of the IP-CCTV cameras. The surge arregster protects against the overvoltages and surge discharges, as well as acts of vandalism (using of the stun guns). It can be used to protect LAN devices mounted outside of buildings like CCTV cameras radio bridges and LAN switches. The device individually protects each transmission pair, where the overvoltage of over 6V is eliminated inside them and discharges to the ground of loads with values up to 2kA.

A special solution protects LAN devices against voltage increase on PoE power lines in each standards. Lines 4-5 and 7-8 are grouped because LAN 100Base-T uses them only to PoE. The PTF-51-Micro protects PoE against an increase voltage above 58V during surge lighting or during damage to power adapter.

It is recommended for protection of LAN equipment, installed outdoors (walls, attics), where the surge current can be large.

The device does not provide shield continuity for the FTP cable, if such continuity is required, it is necessary to use standard products PTF-51 or PTF-51/DIN.

To ensure an adequate level of protection, it is necessary to connect a good quality grounding or PE protective conductor.
It is not allowed to connect lightning protection circuits and to create a grounding point of the protector near the earth of the lightning rod circuit.

 

 

 

surge arrester for ipc camera

 

Manufacturer of surge arresters

Example of using

 

Specification
PARAMETER
VALUE
Data Protection
Supported channels
1
Compatibility with Network
100Base-T (100Mbit), twisted pair 5, 5e, and 6 categories
Input connector (line side) Jack RJ-45
Output connector (device side) Short cable with RJ-45 plug
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 C1 (8/20µS, line-ground ) Iimp 2kA
Rated Voltage DC (line-line) UN 6V DC
Maximum voltage (line-line) UC 6,8V DC
Protection level 1kV/μs (line-line) UP C3 20V
Surge current C1 (8/20µS, line-line ) Iimp 100A
Protected lines
1-2, 3-6
Capacitnance (line-line) @1MHz 6-15pF
Capacitnance (line-ground) @1MHz 2-3pF
Decoupling Surge resistor
Serial resistance
2,2Ω / line
Rated current IN 300mA / line
PoE protection
Rated Voltage DC (line-line) UN 56V DC
Maximum voltage(linia-linia) UC 64V DC
Protection leve UP C3 93V
Surge current (8/20µS, line-line) Iimp C3 73A
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 C1 (8/20µS, line-ground ) Iimp 2kA
Protected pairs
(1+2)-(3+6), (4+5)-(7+8)
Protected PoE standards
IEEE 802.3af/at - all types
Common features
Dimensions 51 x 31 x 24 (mm) - without cable
Application Indoor / outdoor in additional IP66 housing
Mounting Standalone
Housing tightness
IP54
Operating temperature -30ºC~60ºC


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