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  • Standard Power Source Unit Type
  • Standard Power Source Unit Type
  • Standard Power Source Unit Type

Standard Power Source Unit Type R25A-24

4.67 (12)
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Item Feature
This product is manufactured in Japanese standards. Please check the specification before you order.
Storage Humidity (%)
20 ~ 90RH (no condensation)
Rated Output Voltage (V)
Output Voltage Range (V)
21.6 to 26.4
Maximum Output Power (W)
EMI Standard
FCC-B, VCCI-B compliant (10W ~ 150W)
Static load Variation (mV)
No case cover
Rated Input Current (A)
0.58typ (lo = 100%, ACIN 100V)
Weight (g)
About 250
Input Voltage (V)
Insulation Voltage
Input - Output: AC2000V 1 minute cut-off current = 10mA max, DC500V 50M ohm min (room temperature, normal humidity) input -FG, Case: AC2000V 1 minute cut-off current = 10mA max, DC500V 50M ohm min (room temperature and normal humidity ) output -FG, Ca
Inrush Current (A)
10 ~ 55Hz 19.6m/s^2 (2G) cycle 3 minutes X, Y, Z 3 direction each hour
Operating Temperature Range (deg C)
-10 To + 60 (non-condensing) (mounting method, is different in the presence or absence of cover)
Noise terminal voltage: FCC-B, VCCI-B compliance
Overcurrent Protection
Operating at 105% min of rated current, automatic return (ACIN 100V)
Holding Time (ms)
10typ (ACIN 85V, lo = 100%, 0 ~ + 50 degree C ) 20typ (ACIN 100V, lo = 100%, 0 ~ + 50 degree C )
Storage Temperature (DegreeC)
-20 To + 75 (without condensation)
Operation Indicator
LED: green
Input Frequency (Hz)
47 ~ 440 or DC
Cooling System
Natural air cooling
Starting Time (min)
200 (max) (ACIN 85V, lo = 100%)
Outer Dimensions (Width W x Height H x Depth D) (mm)
31 x 69 x 104
Rated Output Current (A)
Static Inputs Change (mV)
Rated Input Efficiency (%)
Temporality Drift (mV)
96 (max) (Zhou temperature 25 degree C . The change of 30 minutes to 8 hours after the input voltage applied at rated input and output)
Ripple (mVp-p)
0 ~ + 50 degree C : 120 (max) -10 ~ 0 degree C : 160 (max)
Ripple Noise (mVp-p)
0 ~ + 50 degree C : 150 (max) -10 ~ 0 degree C : 180 (max)
Leak Current
0.5mA max
196.1m/s^2 (20G) 11ms X, Y, Z 3 direction each once
Safety Standards
UL60950-1, C-UL acquisition, power depreciation Compliance Statement
Over-Voltage Protection
Operating at 115-140% of the rated voltage
Operating Humidity Range
20 ~ 90% RH (no condensation)
Ambient Temperature Difference (mV)
0 ~ + 50 degree C : 240 (max) -10 ~ 0 degree C : 290 (max)
Customer Reviews
5 star 9
4 star 2
3 star 1
2 star 0
1 star 0
Review Rating: 4.67
12 Customer Reviews
The reviews are automatic translation.
Power supply for cooling fan
From Japan
On 2016-10-29 22:24:13
During midsummer, I continued to rotate two DC cooling fans. Heat radiation design seems to be good, too, and overheating did not have any danger at all.
This review is about item#7066324.
When the prototype DC power supply
From Japan
On 2016-09-30 12:37:41
It is easy to connect, has a long life, is reasonable for price and size, it is useful for DC power supply of prototype.
This review is about item#8494096.
LED lighting check
From Japan
On 2016-03-28 10:58:47
I am using it without problems.
This review is about item#07066272.
Use as an alternative
From Japan
On 2015-12-20 19:44:10
Small size and easy to install
This review is about item#07066263.
Auxiliary power supply in mechanical power distribution device
From Japan
On 2015-12-18 15:46:09
Until now, I have been looking for Ameyoko, but there are lots of capacities and types in the monotail, so it is extremely helpful to send it on the same day even if it is sudden breakdown. I would like to purchase it on a monotalrow next time.
This review is about item#07066324.
Power supply remote control
From Japan
On 2015-04-28 09:12:58
It is good to be stable
This review is about item#07066272.
For power supply of LED lighting equipment
From Japan
On 2015-04-05 13:24:27
In the past, this type of power supply was more landscape, but it became shorter and more compact and easier to store. Stability as a power supply is unknown. The price seems to be somewhat higher.
This review is about item#07066272.
Sequence control
From Japan
On 2014-09-05 16:41:38
I want cheap, waterproof.
This review is about item#08494071.
Model motor power LED lit
From Japan
On 2014-04-09 18:43:52
Anyway, I went to buy in Akihabara where the price is cheap, parking lot and other expenses I wonder how much cheaper it is to buy here
This review is about item#07066254.
LED lighting test machine
From Japan
On 2013-09-23 15:35:08
Compact, low unit price and easy to use Usability is good to some extent Good performance of voltage can be adjusted 10%.
This review is about item#07066272.