OMRON Voltage Sensor SDV-FM4 datasheetPDF datasheet
SDV-FM4 High Reliability: Enhanced abnormal overvoltage, resistance and lightning surge resistance for stable, operation even with an unstable input voltage. Long Life: Japanese 105°C electrolytic

OMRON SWITCHINGPOWER SUPPLY SDV-FM4 User's Manual
SDV-FM4 Manual. Monitor and Simple Functions for. Easy System Commissioning. New 90-W models with indication monitor that SDV-FM4 conform to UL Class 2 Output standards. New models with screwles