IP camera surge arrester without grounding, PTF-51-ENG/PoE/Micro
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- Code: PTF-51-ENG/PoE/Micro
- Manufacturer's code: 5904041750335
- Weight: 0.1 kg
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LAN surge protector extreme series, without grounding, IP cameras, and LAN switches installed on metal contructions, PTF-51-ENG/PoE/Micro.
PTF-51-ENG/PoE/Micro is a miniature LAN surge protector, using the Extreme No Ground solution. It is designed for indoor LAN installations, where there is a problem with connecting the grounding line to the surge arresters, mounted at the LAN end devices. Works with 100Base-T networks using 5th or 6th category UTP cables.
The product is recommended for IP cameras of CCTV systems installed inside the building. The LAN cable should also be completely inside the building and away from other external installations - if they are not protected against surges. The applied MOSFET technology and modified protective circuit allow for effective elimination of surges on transmission pairs and PoE supply without connection the eartch. However, to achieve full efficiency of the ENG type protector, on the other side of the LAN cable it is necessary to use surge protector PRO series or EXT (1-channel or multi-channel model) with the ground connection.
The surge protector has a built-in cable with RJ 45 plug, which allows easy and quick connection. Ideally suited for use with IP cameras in CCTV systems to protect against overvoltage, lightning and the use of stun guns. Small dimensions allow installation in the bases of camera mounts and small housings. The surge protector individually protects each pair of data transmissions by eliminating the voltage pulses above 3.5V.
Specially designed solutions protect LAN switches and electronic devices against surges in PoE power supply circuits. This applies to all cables and most PoE standards. Lines 4-5 and 7-8 are connected to each other because LAN 100Base-T uses them only to supply PoE.
Examples of installations without grounding at IP camera side
Examples of not recommended solutions for surge protectors ENG type
PARAMETER |
NAME |
Data lines | |
---|---|
Supported channels | 1 |
Compatibility with Network | 10Base-T, 100Base-T, twisted pair 5, 5e, and 6th categories |
Input connector (Unprotected side) | RJ-45 |
Output connector (Protected side) | Cable with RJ-45 plug |
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 (with MOSFET reaction) |
Surge current C1 (8/20µs, line-line ) Iimp | 600A |
Protected lines | 1-2, 3-6 |
Capacitnance (line-line) @1MHz | 6-15pF |
Series resistance | 6Ω / line |
Rated current IN | 300mA / line |
PoE protection | |
Rated Voltage DC (line-line) UN | 57V DC |
Maximum voltage(line-line) UC | 64V DC |
Protection level UP | 93V |
Surge current (8/20µs, line-line) Iimp | 600A |
Protected pairs | (1+2)-(3+6), (4+5)-(7+8) |
Protected PoE standards | IEEE 802.3af/at/bt-type 3 (HiPoE, UPOE) |
Common features | |
Dimensions | 56 x 31 x 27.5 (mm) - housing only |
Application | Inside |
Mounting | Standalone |
Housing tightness | IP40 |
Operating temperature | -30ºC~60ºC |
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