Specifications Model MS2-H50 Input conditions Input voltage 85 to 264 VAC, 110 to 370 VDC*1 Frequency 47 to 63 Hz, DC*1 Inputconditions Input current (100/200 VAC) 1.3/0.7A or less Efficiency (100/200 VAC) 82/85% typ. (with 100% load) Leakage current (100/200 VAC) 0.4/0.75 mA max. (with 100% load) Rush current (100/200 VAC) 25/50 A max. (with 100% load, at 25°C cold start) Output characteristics Rated voltage 24V Variable voltage range ±5% (with V.ADJ) Rated current 2.1A (Class2) Ripple/noise voltage 180mV (p-p) or less Input fluctuation 0.4% or less Load fluctuation 1.5% or less Temperature fluctuation 0.02 %/ ºC max. Startup time 500 ms max. (at Surrounding Air Temperature of 0 to 55°C under I/O rated conditions) Output holding time 20 ms min. (at Surrounding Air Temperature of 25°C under I/O rated conditions) Protection Overcurrent protection Activates when the current reaches 125% or more of the rated output current. Constant current voltage limiting. Automatic reset 2.7 A min. Overvoltage protection Activates when the voltage reaches 26.4 V or more. Voltage turn-off. Operation resumes when the input power isturned on again.*2 Display Display power 3-digit, 7-segment LED (Character height: 10 mm) Power off memory time Approx. 10 years (at 20°C) Display resolution 0.1A/0.4V /1% Applicable standards Safety standards UL508, UL60950-1 CSA C22.2 No.14, CSA C22.2 No.60950-1 EN60950-1, EN50178 IEC60950-1 EMC standard FCC Part15B Class A, EN55011 Class A, EN61000-6-2 Limits for harmonic current emissions EN61000-3-2*3 Other Parallel operation Possible (OP-42207 is required.)*4 Series operation Possible (External diode is required.)*4 Cooling method Natural air-cooling Environmental resistance Insulation resistance 100 MΩ min. (with 500 VDC megohmmeter) (across input and output terminals) (across input terminals and PE terminal) Ambient temperature -10 to +55 °C (No freezing) (See ''Output conditions''.) Relative humidity 25 to 85 % RH (No condensation) Storage temperature -20 to +70 °C (No freezing) Withstand voltage 3.0 kVAC, 50/60 Hz, 1 min (across input and output terminals) 2.0 kVAC, 50/60 Hz, 1min (across input terminals and PE terminal) 500 VAC, 50/60 Hz, 1min (across output terminals and PE terminal) Vibration resistance 10 to 57 Hz, Double amplitude 0.3 mm, 57 to 500 Hz, 19.6 m/s2 (2 G), 5.5-minute cycle, 2 hours in each of the X, Y, and Z directions Shock resistance Peak acceleration: 300 m/s2, 2 times in each of the X, Y, and Z directions Weight Approx. 270 g
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