LAN network surge arrester ECO series, PTF-51-ECO/PoE

1-channel surge arrester ECONOMICAL series for LAN 100Mbit, compatible with 100Base-T, PTF-51-ECO/PoE, manufacturer

1-channel LAN surge arrester, designed for surge protection of LAN devices operating in 100Mbit LAN networks, such as IP-CCTV cameras, Internet of Things, LAN switches, home and industrial automation. It is compatible with 10Base-T and 100Base-T Ethernet, using any type of cabling. Compared to previous series, care has been taken to protect against overvoltage’s in PoE circuits of any type along with the discharge of charges to the ground. High-quality printed circuits together with tuned differential pairs provide very good transmission parameters and contribute to the elimination of crosstalk that cause unstable LAN operation.

The product is intended for installations where connected LAN end devices are inside buildings and no part of the cable passes outside buildings. In the absence of the conditions or the need to increase the level of surge protection, a PRO or EXT series limiter should be used.

A special connection circuit also protects device against surges and against voltage increase on PoE power lines in any of the possible standards. Lines 4-5 and 7-8 are interconnected because LAN Base-100T uses them only to power PoE. The PTF-51 protects both groups of power pairs against an increase in voltage above 58V and damage to the power supplies of terminal devices, such as switches or IP cameras. The PoE transmitted through the protector can be up to 60W (compatible with HiPoE).

PTF-51-ECO/PoE ensures the continuity of the shield FTP cable, but in the ECO series it is not connected to the earthing.



How to protect IP camera against lightning


To protect a single LAN circuit, two identical series surge arresters should be used, mounted on two ends of cable and grounded accordingly. If it is necessary to protect multiple circuits, it is recommended to use a multi-channel surge arresters on the LAN switch side and one-channel on the LAN end device side.

Surge protection of IP-CCTV

Data lines
Supported channels 1
Compatibility with Network 10Base-T, 100Base-T, twisted pair 5, 5e, and 6 categories
Input connector (Unprotected side) Jack RJ-45
Output connector (Protected side) Jack RJ-45
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 100A
Rated Voltage DC (line-line) UN 3,3V DC
Maximum voltage (line-line) UC 3,5V DC
Protection level 1kV/μs (line-line) UP 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 1-2pF
Serial resistance 2,2Ω / line
Rated current IN 300mA / line
Prection stages 1 (hybrid)
PoE protection
Rated Voltage DC (line-line) UN 58V DC
Maximum voltage(line-line) UC 64V DC
Protection leve UP 93V
Surge current (8/20µS, line-line) Iimp 100A
Surge current (8/20µS, line-ground) Iimp 100A
Protected pairs (1+2)-(3+6), (4+5)-(7+8)
Protected PoE standards IEEE 802.3af/at/bt-type 3 (HiPoE, UPOE)
Loss of PoE power in protection circuits

IEEE 802.3af, option A: 0,23W @48VDC
IEEE 802.3af, option B: 0,13W @48VDC

IEEE 802.3at, option A: 0,68W @54VDC
IEEE 802.3at option B: 0,35W @54VDC

IEEE 802.3bt, type 3 option AB: 0,8W @54VDC

*) applies to full load

Common features
Dimensions 65 x 30 x 40 (mm)
Application Inside
Mounting Standalone / Mounted on the wall
Housing tightness IP54
Operating temperature -30ºC~60ºC

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