Key Specifications Parameter Value / Description Manufacturer Omron Automation and Safety Series S8FS-G Product Type Switch Mode Power Supply (SMPS) Power Rating 100 W Output Voltage 12 VDC Rated Output Current 8.5 A Output Voltage Adjustment Range -10% to +15% (via V.ADJ) Ripple & Noise 90 mV(p-p) max. Efficiency 84% typ. (100 VAC) / 86% typ. (200/230 VAC) Input Voltage (Rated) 100 to 240 VAC Input Voltage (Allowable) 85 to 264 VAC (single-phase) / 80 to 370 VDC Frequency 50/60 Hz (47 to 450 Hz) Rated Input Current 2.1 A (100 VAC) / 1.2 A (200 VAC) Inrush Current (Cold start) 14 A (100 VAC) / 28 A (200 VAC) Leakage Current 0.5 mA (100 VAC) / 1 mA (200 VAC) Hold Time 11 ms typ. (100 VAC) / 55 ms typ. (200 VAC) Start Up Time 1000 ms max Load Regulation 1.0% max Line Regulation 0.5% max Overload Protection Yes (automatic reset) Overvoltage Protection Yes (input shut-off, re-input required) Overheat Protection No Series Operation Yes (up to 2 units with external diodes) Parallel Operation No (backup operation possible with external diodes) Output Indicator Green LED (DC ON) Construction Type Enclosed (Covered) Terminal Type Screw terminal block Mounting Method DIN rail mounting Cooling Fan No (fanless, natural air cooling) Dielectric Strength (Input to Output) 3 kVAC for 1 min Insulation Resistance 100 MΩ min (at 500 VDC) Vibration Resistance 10 to 55 Hz, 4.5 G, 0.375 mm single amplitude Shock Resistance 150 m/s² Altitude 3000 m max Ambient Temperature (Operating) -20°C to +70°C (with derating, no freezing/condensation) Ambient Temperature (Storage) -25°C to +75°C Ambient Humidity (Operating) 90% RH max Life Expectancy 10 years min (at rated input, 50% load, 40°C max, standard mounting) Dimensions (W x H x D) 97 x 39.2 x 129 mm (approx.) Weight 400 g max Standards / Approvals UL 508, CSA C22.2, EN 50178, EN/IEC 61558-2-16, EN 61204-3 (Class B), TUV, CE