WTH-SG/RJ45 Series
www.watchfuleyesolutions.com Surge Protective Device for Ethernet & PoE

Paperless Datasheet
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Description
WTH­-SG/RJ45 series surge protective devices are applied to surge protection for data communication systems.
WTH-SG/RJ45 series 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: IEC61643-­21, UL497B, IEEE 802.3af PoE/802.3 at PoE Plus)

Technical Data
Full Protection Model WTH-SG/RJ45
More Protection Modes & Ordering Code View Page 2
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-line) 50V @ 3kV (1.2/50)
Voltage protection level (Up @line-GND/PE) 700/800V @ 3kV (1.2/50)
Max Line Current 600mA (PoE)
Data Rate 100/1000Mbps
Bandwidth (3db) per pair >250MHz
Insertion Loss <0.5dB @100MHz
Pairs Protected 1-2,3-6,4-5,7-8
Protective Element GDT, TVS
Voltage Breakdown Range, Vdc @ 100 V/s 2.4-188 (L-L) / 72-108(L-G)
Impulse Voltage Range,Vdc @ 100 V/µs <1000
Response Time (tA) <100ns (line-GND/PE), <1ns (line-line)
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)
Package Dimension (W×D×H) 0.9"×2.0"×3.1" (24mm×51mm×78mm)

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


Connection Diagram
Dimensions

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Page 02

More Protection Modes:

WTH-SG/RJ45
(US121012)
WTH-SG/RJ45-A
(US121121)
WTH-SG/RJ45-B
(US121122)
WTH-SG/RJ45-C
(US121123)

WTH-SG/RJ45-D
(US121124)
WTH-SG/RJ45-E
(US121125)
WTH-SG/RJ45-F
(US121126)
WTH-SG/RJ45-G
(US121127)

WTH-SG/RJ45-H
(US121128)
WTH-SG/RJ45-I
(US121129)
WTH-SG/RJ45-J
(US121130)
WTH-SG/RJ45-K
(US121131)

WTH-SG/RJ45-L
(US121132)
WTH-SG/RJ45-M
(US121133)
WTH-SG/RJ45-N
(US121134)
WTH-SG/RJ45-O
(US121135)

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Application

Combination of multiple units of the same model

19" Rack Mounting Installation