Moxa’s surge protectors feature certified serial protection to ensure that serial data lines are not damaged by surges or voltage spikes.

4 data line advanced surge protector, RS-422/485, 20 kV overvoltage protection, -40 to 85°C operating temperature

Serial interface
– Connection terminal
– Serial standards
RS-422
RS-485
– Baud rate 50 bps to 921.6 kbps

Serial signals
– RS-422Tx+, Tx-, Rx+, Rx-, GND
– RS-485-4w Tx+, Tx-, Rx+, Rx-, GND
– RS-485-2wData+, Data-, GND

Physical properties
– Metal housing
– Protection class IP30
– Dimensions 95 x 53 x 25 mm (3.74 x 2.01 x 0.98 in)
– Weight
Packed: 274 g (0.60 lb)
Product only: 212 g (0.46 lb)
– DIN rail mounting

Ambient conditions
– Operating temperature -40 to 85°C (-40 to 185°F)
– Storage temperature (including packaging) -40 to 85°C (-40 to 185°F)
– Relative humidity of the environment5. Ambient relative humidity5 to 95% (non-condensing)

Standards and certifications
– EMS IEC 61643-21 C2 20 kV
– Environmental testing
IEC 60068-2-1
IEC 60068-2-2
IEC 60068-2-3
– SafetyEN 60950-1, IEC 60950-1
– Vibration IEC 60068-2-6

MTBF
– Time 62.642,538 hours
– Standards Telcordia (Bellcore), GB