www.watchfuleyesolutions.com Surge Protective Device for Data & Control

Paperless Datasheet
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WTH-SG/RJ11 series DIN rail surge protective devices are applied to the front side of computer network ,telephone system, control system, etc, providing protection against overvoltage arising from lightning strike to the signal line and mis-operation.
(Standards compliance: IEC61643-21)

Technical Data
Model WTH-SG/RJ11
Ordering code US121014
Nominal operating voltage (Un) 110V
Max. continuous operating voltage (UC) 170V
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) 350V @ 3kV (1.2/50)
Voltage protection level (Up @line-GND/PE) 350V @ 3kV (1.2/50)
Max Line Current 200mA (per line)
Insertion Loss <0.5dB @30MHz
Protective Element GDT, TVS
Loop resistance 2.0Ω
Response Time (tA) <1ns
Protect mode Difference mode & Common mode
Connection mode RJ11 (line 3-4)
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)
19" Rack Mounting Installation

Connection Diagram

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