Model 485HESP is a three-stage surge protector that protects against lightning strikes and other types of voltage disturbances with three stages of protection for each line: a gas discharge tube followed by a series resistor and finally a Transient Voltage Suppresser (TVS). The surge protector is housed in a tough metal, panel mount case with a protected signal ground connection and dedicated chassis ground lug.In order to work properly, it is important to have a good connection between the #10 screws and a solid earth ground. Two terminal posts and two metal mounting brackets provide a good ground connection.
Advantech
BB-485HESP
ULI-246T - Serial Surge Protector, RS-485 Data Line, 3 Stage
£110.01
- Three stages of protection on every data line: 1)Gas discharge tube, 2)Series resistor, 3)Transient voltage suppressor
- Protected signal ground connection
- Three position terminal block
- Dedicated chassis ground lug
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Datasheets
Specification
General
| Technology | Serial |
Serial Communication
| Serial Standard | RS-485 |
| Serial Port Connector Type | Terminal block |
| Serial Port Number | 1 |
Environment
| Operating Temperature | 0 ~ 70°C (32 ~ 158°F) |
Protection
| Surge Suppression | 3-stage Protection, 6.45-7.14Vdc |
Accessory General
| Mounting | Panel |
Mechanism
| Enclosure (Metal) | Metal |
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