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          7. Output Current 0.65 A, 12-V Type

          Compact Switching Power SupplyMS2 series

          Output Current 0.65 A, 12-V Type


          [Discontinued model]

          This model has been discontinued.

          Compliance with the certification standard is ensured as of the time of shipment from our company.

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          Input conditions

          Input voltage

          85 to 264 VAC (50/60 Hz), 120 to 340 VDC*1


          47 to 63Hz*2


          Input current (100/200 VAC)

          0.28/0.16A or less

          Efficiency (100/200 VAC)

          Leakage current (100/200 VAC)

          0.5/1mA or less

          Rush current (100/200 VAC)

          18, 36 A or less (with a +25°C 77°F cold start)

          Output characteristics

          Rated voltage


          Variable voltage range

          ±5% (with V.ADJ)

          Rated current


          Ripple/noise voltage

          2% (p-p) or less

          Input fluctuation

          0.5% or less

          Load fluctuation

          1.0% or less

          Temperature fluctuation

          Startup time

          400ms or less

          Output holding time

          20 ms or more (100 to 240 VAC)


          Overcurrent protection

          Constant current drop method, automatic recovery, 0.79 A or more

          Overvoltage protection



          Display power

          Power off memory time

          Display resolution

          Applicable standards

          Safety standards

          UL60950, CSA C22.2 number 60950, EN60950

          EMC standard

          FCC Part 15 B Class A, EN55011 Class A

          Limits for harmonic current emissions



          Parallel operation

          Not possible

          Series operation


          Cooling method

          Natural air cooling

          Environmental resistance

          Insulation resistance

          100 MΩ or more at 500 VDC
          (between input and output, between input and FG, and between output and FG)

          Ambient temperature

          -10 to +60 °C 14 to 140 °F (No freezing) (see the derating characteristics)

          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 VDC 1min (across output terminals and PE terminal)

          Vibration resistance

          10 to 57 Hz, Double amplitude 0.3 mm 0.01", 57 to 500 Hz, 19.6 m/s2 (2 G), cycle: 5.5 minutes, 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


          Approx. 140 g

          *1 When applying for safety standards are 100 to 240 VAC, 50/60 Hz.
          *2 The rated input voltage and rated frequency when applying for safety standards are 100 to 240 VAC, 50/60 Hz.
          *3 To return, turn OFF the input power supply and after leaving it off for 1 minute or more, plug in the input power supply again. The E/F Series is a Zener diode clamp type. It will not restart after the protection circuit operation.
          *4 For the MS2-H100, this is applicable only when the load ratio is 70% or less.
          *5 The applicable standards do not apply for parallel and serial operations.



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          KEYENCE CORPORATION OF AMERICA 500 Park Boulevard, Suite 200, Itasca,
          IL 60143, U.S.A.
          Phone: 1-888-KEYENCE [1-888-539-3623]
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