The MIC-3758 features a robust isolation protection for applications in industrial, lab and machinery automation. The MIC-3758 can durably withstand a voltage up to 2,500 VDC, preventing your host system from any incidental harms. The MIC-3758, if connected to an external input source with surge-protection, can offers up to maximum of 2,000 VDC ESD (Electrostatic Discharge) protection for input channels.