WatchfulEyE WTH-SG/TER-XS DIN-Rail Mounted Ultra Slim Data Signal Surge Protector with Full GDT & TVS Protection

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WatchfulEyE WTH-SG/TER-XS DIN-Rail Mounted Ultra Slim Data Signal Surge Protector with Full GDT & TVS Protection

Regular Price: US$65.99

Special Price US$54.99

Availability: In stock

Supplier: WatchfulEyE

Category: Electronics Accessories & Supplies Power Strips & Surge Protectors Surge Protectors

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Paperless Datasheet:

Going green and protecting environment is manufacturers' responsibility. WatchfulEye products have the links of downloading data sheet on its enclosure.

Smart Surge Protector
New Energy System
AC Power Supply System
DC Power System
Ethernet & PoE System
Data Signal & RS485 System
4~20mA Control System
Power Distribution Unit (PDU)

Data Signal Surge Protector

Technical Data:

WTH-SG/TER DIN rail surge protective devices for control signal are applied to the surge protection of 4~20mA control signal and twisted data pair (RS232, RS422, RS485 etc.), which can prevent various dialing equipment from permanent damage or transient interruption arising from inductive overvoltage, over current and other transient surge voltage caused by surge and industrial noise, etc.

Nominal operating voltage (Un): 3-18VAC, 5-24VDC
Nominal Discharge Current (In @8/20µs): 3kA
Voltage protection level (Up @line-line, line-A): 85V @3kV (1.2/50)
Max Line Current: 800mA (per line)
Insertion Loss: <0.5dB @10MHz
Protective Element: GDT, TVS
Protect mode: Difference mode & Common mode
DIN Rail EN60715: 35mm top-hat rail

Surge Protection Connection Diagram

What are the advantages of the GDT+TVS type surge protection? It provides a two-step surge protection mode: the first-stage GDT protection, releasing strong surge intrusion and reduce the strength of the surge; it is followed up the second-stage TVS fine protection, achieving a lower residual voltage value.
What are the advantages of the model of line-PE/GND parallel GDT+TVS? Line-line and line-ground are in both complete GDT+TVS mode, while line-line has the lowest residual voltage (UP) value, line-PE/GND also obtains the lowest residual voltage (UP) value.

Characteristics of wide voltage, rated working voltage (Un): What are the advantages of 3-18VAC and 5-24VDC? If you don’t know what kind of industrial control voltage system the system is, it is commonly used in systems below 24VDC, such as: RS485, 4-20mA, 0-5V, etc., to avoid confusion about your selection.
The PE/GND of WTH-SG/TER series has two terminals, what's the use of a GDT connected in series between the two terminals? When the local grid voltage is unstable and there's signal interference, it is recommended to ground the terminal on the B-point. If an additional 90V GDT is connected in series, the surge discharge voltage value can be increased by 90V, effectively blocking the interference of unstable ground voltage.
If the 2-wire signal cable has a shielded line, how should it be wired? You can wire the shielded wire to A and the surge ground wire to B