WTH-SG/TD
www.watchfuleyesolutions.com Surge Protective Device for DC Power
Paperless Datasheet
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Description
WTH-SG/TD series surge protective devices for DC power are applied to the front side of the device in power supply line of different voltage, such as computer system, modem, signal control, etc.
Providing protection against overvoltage arising from lightning or mis-operation.
(Standards compliance: IEC61643-1)
Technical Data
Model WTH-SG/TD
Ordering code US121003
Nominal operating voltage (Un) 5, 12, 24 up to 48V
Max. continuous operating voltage (UC) 60V
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) 130V @ 3kV (1.2/50)
Voltage protection level (Up @line-GND/PE) 350V @ 3kV (1.2/50)
Max Line Current 2.5A
Protective Element GDT, MOV, TVS
Response Time (tA) <25ns (line-GND/PE), <1ns (line-line)
Connection mode 1.5mm² wiring terminal
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
Dimensions

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