Paperless Datasheet
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Model & Ordering Code

Model Ordering Code UPC/EAN Code
WTH-SG/RJ45-K US121132 (0) 811914032052
WTH-SG/RJ45-O US121136 (0) 811914030041

Certificates of Products

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Description
WTH­-SG/RJ45 Series surge protective devices are applied to surge protection for data communication systems.
WTH-SG/RJ45 is connected in series in CAT6 network cables, compatible with 10/100/1000/10000 (10G) Base-T Ethernet systems, protecting the equipment which are connected to the network (e.g. computers, routers, PoE devices, etc.) against damages by over-voltage surge.
(Standards compliance: IEC61643­-11, UL497B, IEEE 802.3af PoE/802.3 at PoE Plus)
WTH-SG/RJ45(-K, -O) Series Technical Data
Nominal operating voltage (Un) 2.8V(Ethernet)/48V(PoE)
Max. continuous operating voltage (UC) 3V(Ethernet)/60V(PoE)
Nominal Discharge Current (In @8/20μs) 3kA (line to line)
Max. Discharge Current (Imax @8/20μs) 20kA (line to GND/PE)
Voltage protection level (Up @line-GND/PE) 800V @ 3kV (1.2/50)
Max Watt 90W (PoE)
Data Rate 100/1000Mbps
Bandwidth (3db) per pair >250MHz
Insertion Loss <0.5dB @100MHz
Protective Element GDT
Voltage Breakdown Range, Vdc @ 100 V/s 188 (L-L) / 72-108(L-G)
Impulse Voltage Range,Vdc @ 100 V/µs <1000
Response Time (tA) <100ns (line-GND/PE)
Connection mode RJ45
Temperature Range - 40° to 176°F (-40° to 80°C)
Relative Humidity 0% to 95% noncondensing
Maximum Operating Altitude 10,000 feet (3000m)
Cross-sectional area of earth lead 3mm² multistranded / flexible
Stripping Length Contacts >0.25inches (6-7mm)
Terminal Screw Torque Max. 0.25Nm
Protection Rating (IP Code) IP 20
Surge Life at 0.5kA (8/20μs) >2000 events
DIN Rail EN60715 35mm top-hat rail
Housing Material Thermoplastic, UL94 V-0
Net Weight Per Unit 0.16Lb (71g)
Product Dimension (W×D×H) 0.9"×2.0"×3.1" (24mm×51mm×78mm)

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Surge Protection Connection Diagram
WTH-SG/RJ45-K
WTH-SG/RJ45-O

Dimensions

Installation Instruction
The surge protective devices shall be employed in a Listed enclosure or closet that is only accessible to technicians or service personnels.

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DIN-Rail Mounted



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Rack Mounted


Rack Mount DIN Rail Kit (Model: RACK 3517)




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Application


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FAQ & Help (1/2)
1. What should I do if I can't find the paper manual in the product packaging?
Watchful Eye products is committed to going green with paperless data sheets. On the left side of each product enclosure is an engraved link with URL for downloading paperless data sheet and QR code of the website. If you need the paper data sheet, you can open the link and print the data sheet by yourself.


2. Model WTH-SG/RJ45 has no LED status indicator. What instruments can be used to test whether its surge protection function is normal or not?
Test with a Watchful Eye surge protector tester.
If a system failure occurs, first remove the surge protector and restore the system to the wiring status without the surge protector. If the system failure is resolved, it shows the surge protector is faulty. Using Watchful Eye Surge Protective Tester can more easily test whether the WTH-SG/RJ45 series is normal or not.

3. Can you list more applications of WTH-SG/RJ45 series?
Ethernet & PoE equipment such as network switches, routers, computers, servers, video cameras, etc.

4. If the wires on the line side and the equipment side are connected reversely, will it affect surge protection?
When the wire is connected reversely, surge protection will not be affected.

5. What are the advantages of 1-2, 3-6, 4-5, 7-8 line full protection mode of GDT type surge protection?
If you don't know whether the system is 100M or 1000M, which PoE structure or wiring mode the system is, the full line surge protection mode of GDT avoids the confusion of your selection.

6. How do I determine the quantity of surge protector that I need for protecting the equipment?
Surge on the STP cable will be transmitted in two directions to the ends of the cable. The surge protector A protects the equipment on the A side, such as an ethernet switch, etc. And Surge protector B protects the equipment on the B side. such as an ethernet equipment. If only the device on one end of cable needs to be protected, then only one surge protector is needed.

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FAQ & Help (2/2)
7. Can WTH-SG/RJ45 series be installed outdoors?
There are two models for outdoor installation, WTH-SG/RJ45-KE (wall-mounted) and WTH-SG/RJ45-KG (waterproof box) as in the following:

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