Brand : Keyence
Model : MS2-H100
Input voltage : 85 to 264 VAC, 110 to 370 VDC*1
Frequency : 47 to 63 Hz, DC*1
Input current : (100/200 VAC) 2.1/1.3A 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)
Rated voltage : 24V
Variable voltage range : ±5% (with V.ADJ)
Rated current : 4.5A
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 condition
Overcurrent protection : Activates when the current reaches 125% or more of the rated output current. Constant current voltage limiting . Automatic reset 5.3 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 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%
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 : EN-6100-3-2*3
Parallel operations : Possible (OP-42207 is required)*4
Series operation : Possible (External diode is required)*4
Cooling method : Natural air cooling 
Insulation resistant : 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".)
Storage temperature : -20 to +70 °C (No freezing)
Relative humidity : 25 to 85 % RH (No condensation)
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