BB-HESP4DR protects from lightning, surges, voltage disturbances with 3 stages on each line: gas discharge tube, series resistor and transient voltage suppresser. Five RS422/485 signals on TBs with 6.8V clamping voltage. Must have good connection between #10 grounding screw and solid earth ground.
Advantech
BB-HESP4DR
ULI-244TI Serial Surge Protector, RS-485 Data Line, 3 Stage, DIN
£83.99
- Three stages of protection on every data line: Gas discharge tube, Series resistor, Transient voltage suppressor
- Protected signal ground connection
- Terminal Block
- Dedicated chassis ground lug
- DIN Rail Mounting
Need a hand finding what you need?
Feel free to get in touch or give us a call on +44 (0)1949 844 511
Datasheets
Specification
General
| Technology | Serial |
Serial Communication
| Serial Standard | RS-422 / RS-485 |
| Serial Port Connector Type | Terminal block |
| Serial Port Number | 1 |
Environment
| Operating Temperature | -40 ~ 80°C (-40 ~ 176°F) |
Protection
| Surge Suppression | 3-stage Protection, 6.45-7.14Vdc |
Accessory General
| Mounting | DIN |