Key Specifications Parameter Value Manufacturer Omron Automation and Safety Product Type Switch Mode Power Supply Series S8FS-G Power Rating 30 W Output Voltage 12 VDC Rated Output Current 3 A Output Voltage Adjustment Range -10% to +15% (via built-in potentiometer) Ripple Noise 60 mV(p-p) max Input Voltage (Rated) 100 to 240 VAC (single-phase) Input Voltage (Allowable Range) 85 to 264 VAC, 80 to 370 VDC Frequency 50/60 Hz (47 to 450 Hz) Efficiency (Typ.) 84% at 100 VAC input / 86% at 200-230 VAC input Rated Input Current (Typ.) 0.72 A at 100 VAC / 0.43 A at 200 VAC Inrush Current (Typ.) 14 A at 100 VAC / 28 A at 200 VAC (cold start at 25°C) Leakage Current 0.5 mA max at 100 VAC / 1 mA max at 200 VAC Hold Time (Typ.) 10 ms at 100 VAC / 50 ms at 200 VAC Start-up Time 1000 ms max Construction Enclosed (Covered) type Mounting Method DIN rail mounting Connection Screw terminal block Output Indicator Yes (Green LED) Overload Protection Yes (automatic recovery / hiccup mode) Overvoltage Protection Yes (latching type - requires input power recycle) Overheat Protection No Series Operation Possible (up to 2 units with external diode) Parallel Operation Not possible (backup operation possible with external diode) Dielectric Strength Input to Output: 3 kVAC for 1 min Input to PE: 2 kVAC for 1 min Output to PE: 1 kVAC for 1 min Insulation Resistance 100 MΩ min at 500 VDC Vibration Resistance 10 to 55 Hz, 4.5 G max., 0.375 mm single amplitude, 2 hours each direction Shock Resistance 150 m/s², 3 times each direction Operating Temperature -20°C to 70°C (with derating) Storage Temperature -25°C to 75°C Operating Humidity 90% RH max Altitude 3,000 m max Life Expectancy 10 years min (rated input, 50% load, 40°C max, standard mounting) Cooling Method Natural air cooling (fanless) Weight 250 g max Dimensions (W x H x D) 41.2 mm (body), 36.2 mm (with bracket) x 82 mm (body), 85.5 mm (with bracket) x 99 mm Standards / Approvals UL 508 (Listing), CSA C22.2, EN 50178 (OVC III), EN/IEC 61558-2-16, CE, TUV