Compact Switching Power Supply

MS2 series

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Model

MS2-H50

MS2-H75

MS2-H100

MS2-H150

MS2-H300

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

1.9/0.9A or less

2.1/1.3A or less

2.2/1.1A or less

3.9/1.8A 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)

18/36A max.

Output characteristics

Rated voltage

24V

Variable voltage range

±5% (with V.ADJ)

Rated current

2.1A (Class2)

3.2A

4.5A

6.5A

12.5A

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 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.

Activates when the current reaches 125% or more of the rated output current. Constant current voltage limiting. Automatic reset 4.0 A min.

Activates when the current reaches 125% or more of the rated output current. Constant current voltage limiting. Automatic reset 5.3 A min.

Activates when the current reaches 125% or more of the rated output current. Constant current voltage limiting. Automatic reset 7.9 A min.

Activates when the current reaches 125% or more of the rated output current. Constant current voltage limiting. Automatic reset 15.6 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

Operating ambient temperature

-10 to +55°C (no freezing) (See "Output conditions".)

Operating ambient humidity

25 to 85% RH (No condensation)

Ambient temperature for storage

–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)

Shock resistance

Peak acceleration: 300 m/s2, in X, Y, and Z directions, 2 times respectively

Vibration

In X, Y, and Z directions, 2 hours respectively under the following conditions 10 to 57 Hz, 0.3 mm
double-amplitude, 57 to 500 Hz, 19.6 m/s2 (2G),
5.5-minute cycle

Insulation resistance

100 MΩ min. (with 500 VDC megohmmeter) (across input and output terminals) (across input terminals and PE terminal)

Weight

Approx 270 g

Approx 470 g

Approx 490 g

Approx 700 g

Approx 1540 g

*1 The rated input voltage and rated frequency when applying for safety standards are 100 to 240 VAC, 50/60 Hz.
*2 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.
*3 For the MS2-H100, this is applicable only when the load ratio is 70% or lower.
*4 The applicable standards do not apply for parallel and serial operations.

Model

MS-F07

Input conditions

Input voltage

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

Frequency

47 to 63Hz*2

Inputconditions

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)

18/36A max.
(with 100% load, at +25°C cold start)

Output characteristics

Rated voltage

12V

Variable voltage range

±5% (with V.ADJ)

Rated current

0.65A

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 min. (100 to 240 VAC)

Protection

Overcurrent protection

Activates when the current reaches 125% or more of the rated output current. Constant current voltage limiting. Automatic reset 0.79 A min.

Overvoltage protection

Available*3

Display

Display power

Power off memory time

Display resolution

Applicable standards

Safety standards

UL60950-1,
CSA C22.2 No.60950-1,
EN60950-1

EMC standard

FCC Part15B Class A, EN55011 Class A

Limits for harmonic current emissions

EN61000-3-2*4

Other

Parallel operation

NA

Series operation

Possible*5

Cooling method

Natural air-cooling

Environmental resistance

Operating ambient temperature

-10 to +60°C (no freezing) (See "Output conditions".)

Operating ambient humidity

25 to 85%RH (no condensation)

Ambient temperature for storage

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)

Shock resistance

Peak acceleration: 300 m/s2, in X, Y, and Z directions, 2 times respectively

Vibration

In X, Y, and Z directions, 2 hours respectively under the following conditions 10 to 57 Hz, 0.3 mm
double-amplitude, 57 to 500 Hz, 19.6 m/s2 (2G),
5.5-minute cycle

Insulation resistance

100 MΩ min. (with 500 VDC megohmmeter) (across input and output terminals) (across input terminals and PE terminal)

Weight

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 lower.
*5 The applicable standards do not apply for parallel and serial operations.

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