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SS-250SU

250 Watt

  • Compact
  • Temperature controlled fan
  • Quiet!

The SS-250SU provides a temperature controlled fan regulation for noise optimisation. Futhermore, it shows a very compact size and a high efficiency over 80 %, all this for a very attractive price. This Power Supply will fit in all kind of smaller PC solutions in the industrial and professional field.

SS-250SU, Industrial PC Power Supply with AC input

Technical data

  

Input voltage

100…264 VAC, active PFC

Input frequency

47…63 Hz

Input current

2.5 A (230 VAC) / 5 A (115 VAC)

Inrush current

100 A (264 VAC)

Efficiency

>80 %

Hold up time

16 msec

Power-Good-Signal

Switch on delay 100…500 msec
Switch off delay 1 msec

Protection

Short circuit protection: at each output
Overload protection: switch off at 135 %
Overvoltage protection: +3.3 V (+3.76…+4.8 V), +5 V (+5.7…+7 V), +12 V (+15.6 V)

Earth leakage current

<3.5 mA

Safety / EMC

CE, TÜV: IEC60950-1, UL: 60950-1

Operating temperature

0…+40 °C

Derating

From +30…+40 °C 5 W / K

MTBF

100 000 h at +25 °C, without fan at 75 % load

Storage temperature

-40…+60 °C

Operating humidity

10 %…95 % RH, non-condensing

Dimensions

150 x 81.5 x 40.5 mm ±0.5 mm

Weight (net)

0.7 kg

Article
No.

Output
voltage

Output current
min

Output current
max

Output current
peak

Voltage
regulation

Ripple &
Noise

SS-250SU

+3.3 V

0 A

14 A

  

±5 %

50 mV

+5 V

0.5 A

17 A

  

±5 %

50 mV

+12 V1

1 A

8 A

10 A

±5 %

120 mV

+12 V2

1 A

14 A

16 A

±5 %

120 mV

-12 V

0 A

0.8 A

  

±10 %

120 mV

+5 Vsb

0 A

2 A

2.5 A

±5 %

50 mV

Max. output on +3.3 V and +5 V combined shall not exceed 110 W, on +12 V1 and +12 V2 not 216 W or18 A. Peak output can be up to max. 1 second. Peak output combined is 275 W. Ripple and Noise was measured by a 20 MHz bandwidth limited oscilloscope with connected 10 µF electrolytic capacitor and 0.1 µF ceramic capacitor at each output.
As a power component this PSU is for assembly purposes only and must not be operated in unassembled condition.
The final assembly has to comply with the valid EMC and safety standards.

Optional accessories

Article-No.

Designation
X1-132 X1-132, power cord with shockproof plug/rubber connector link to the product
Technical documentation:
Data Sheet (pdf, 0.7 MB)
Declaration of conformity (pdf, 0.2 MB)

What the red symbols will tell you...

Whenever one of our products distinguishes itself by special characteristics it is marked with a corresponding red symbol. This way we want to point out the particular characteristics of the product at a glance.
extended temperature range As compared to the common industrial temperature range (0...+50 °C)
the product offers an extended temperature range.
delivery guarantee Our delivery guarantee for this product is 5 years.
Medical applications The product was especially designed for medical applications.
fanless Fanless operation is possible. Passive cooling is provided by contact with the chassis and by natural convection.
Eco Saves energy and is environmental-friendly due to its efficiency of at least 80 % at nominal load.
Bicker Premium The Premium sign marks products with exceptional performance as compared to other products of this category. Detailed information regarding an individual product is available upon request.
24/7 This product is designed for 24/7 continuous operation.
By the way: These symbols you will find not only on our website. In our catalogue as well they will assist you in your decision-making.