Surge Protective Device 24V RS485 Voltage Protection Arrester Protector for Home Item Type: Surge Protective Device Model: SN TX 24 Rated Working Voltage Un: 24V Maximum Continuous Working Voltage Uc: 30V Nominal Discharge Current In: 5KA Maximum Discharge Current Imax: 10KA Protection Level Up: 60V Transmission Rate: 10M Insertion Loss: ≤0.3dB Features: It is used for the protection of industrial control Internet, RS422/485 interface, special line, automatic control and instrument lines, data lines, telephone equipment, fax machines and other equipment, and can also be used for the protection of sensors and secondary instruments in the current loop. Protecting equipment from damage caused by induced over voltage, operating over voltage, electrostatic discharge, etc.