SNP-B309

280 Watt

  • 280 W continuous fanless power
  • Medical approval
  • Overtemperature protection

The SNP-B309 power supply has been tested and approved for medical applications. By its high efficiency of >85 % fanless and, thus, very quiet operation is made possible. The SNP-B309 is made up of high-grade components and provides overload, short circuit and overvoltage protection.

SNP-B309, Power Supply for medical applications

Technical data

  

Input voltage

90…264 VAC

Input frequency

47…63 Hz

Input current

4 A / 115 VAC, 2 A / 230 VAC

Inrush current

<30 A / 115 VAC, <60 A / 230 VAC, +25 °C

Efficiency

>85 %

Hold up time

App. 20 ms / 115 VAC

Protection

Short circuit protection: Switch off with auto-recovery
Overload protection: Switch off with auto-recovery
Overvoltage protection: Switch off 32…36 V
Overtemperature protection: Switch off

Line regulation

±1 % at max load and input voltage change of ±10 %

Load regulation

±1 % at load step 0…100 %

Safety / EMC

TÜV: IEC / EN60601-1, UL: UL 60601-1, CE

Operating temperature

0…+70 °C

Derating

In the range of +40…+50 °C, 3 W / °C, of +50…+70 °C, 4.5 W / °C (see data sheet)

Storage temperature

-20…+85 °C

Operating humidity

50…95 % RH, non-condensing

Dimensions

230 x 100 x 42 mm
Tolerances: Mounting points: ±0.5 mm, all other dimensions ±0.8 mm

Weight (net)

1.1 kg
Product-specific data

Remote sense

Regulation range 0.5 V (TB2)

Output voltage

22…30 VDC (adjustable)

Capacitive load

10000 µF max

Article
No.

Output

Output
voltage

Output current
max
min

Output current
 max
 convection-cooled

Output current
 max
 peak

Ripple &
Noise

SNP-B309

TB1

+24 V

0 A

11.66 A

15 A

50 mVss

Peak load can be for 10 seconds. Ripple and noise was measured by a 20 MHz bandwidth limited oscilloscope with connected 0.47 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.

SNP-B309 with optional screw terminal cover

SNP-B309
Optional accessories

Article-No.

Designation
X1-056 Screw terminal cover for SNP-B309 link to the product
Technical documentation:
Data Sheet (pdf, 1.1 MB)
Declaration of conformity (pdf, 0 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.