USIP series RST */485, TU 3428-002-79740390-2007 are designed to protect serial two-wire interface RS-485 lines with data transmission speed up to 10 Mbit/s from impulse overvoltages (lightning protection, protection from electrostatic discharges, etc.) within 1 - 2 lightning zones.) within 1 - 2 lightning protection zones in accordance with GOST R IEC 62305-1-2010.They are produced for rated operating voltage Uo= 6 V DC, rated current IL= 0,250 A.Capable of passing rated discharge current In (8/20)= 5 kA; ITotal (8/20)=10 kA.The devices are placed in a 7.4 mm thick housing for installation on a DIN-rail 35 mm. Number of protected pairs of conductors 1-2.
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