Series of devices for discharging transient overvoltages induced in RS 485 / 422 networks. DIN rail monobloc format.
* Suitable for the protection of instrumentation installed in RS 485/422 networks. By their nature, they are highly exposed to induced transient overvoltages (surges) associated with meteorological activity.
* For nominal voltage. Un: 12V
* 2-wire protection, 2-wire protection + GND and 4-wire protection + GND.
IEC 61643-21
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