Discontinued (November, 2023)

Released 1999
Rated Input: DC200 - 400V
Rated Output Wattage: 400W
Rated Output Voltage: 3.3V,5V,7.5V,12V,15V,18V,24V,28V
Warranty Period 5-year

* When remote ON/OFF is not used, short RC1 and -VIN.
* When the output voltage adjustment is not used, open the
TRM pin respectively.
* When remote sensing is not used, make sure +VOUT and +S are shorted, and that -VOUT and -S are shorted as well.
*No alternatives available

Features of DBS400B

• Ideal for distributed power systems
• Thin and small size
• Built-in overcurrent, overvoltage and thermal protection circuits
• Built-in remote ON/OFF (On both side of input and output)
• Inverter operating monitoring (IOG)
• Mounting hole (M3 tapped)
• N+1 redundant operation

Ordering Information and Options

DB(1)  S(2)  400(3)  B(4)  03(5)  

(1) Series name
(2) Single output
(3) Output wattage
(4) Input voltage
    B: DC200 - 400V
(5) Output voltage

Product Line-up

Product Name Output Wattage Output Voltage・Current
DBS400B03 264W 3.3V 80A
DBS400B05 400W 5V 80A
DBS400B07 405W 7.5V 54A
DBS400B12 408W 12V 34A
DBS400B15 405W 15V 27A
DBS400B18 396W 18V 22A
DBS400B24 408W 24V 17A
DBS400B28 406W 28V 14.5A
  • * For further information and how to use, please see in Cosel product catalog.
Table1 Product Status Information
No. Product Status Definition
1 New Product New Product. Recommended for new design.
2 Recommended Recommended for new design.
3 blank Product in mass production
4 NRND Not recommended for new design.
5 To be discontinued PDN (Product Discontinuation Notice) is issued and LTB (Last Time Buy) is under consideration.
6 Discontinued LTB order is no longer available.