DBS400B28

Discontinued (November, 2023)

Released 1999
RoHS
UL・C-UL TUV CE UKCA
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 DBS400B28

• 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

Specification

Contents Specifications
Input Voltage DC200 - 400V
Output Wattage 406W
Voltage/Current 28V 14.5A
Adjustable  Voltage Range Fixed (TRM pin open), 60 - 110% adjustable by external VR or external voltage
Protection Circuit And Others Overcurrent Protection Works over 105% of rating and recovers automatically
Overvoltage Protection 32.20 - 39.20V
Remote ON/OFF Provided (On both side of input and output)
Remote Sensing Provided
Others -
Operating Temperature/Humidity -20 to +85℃ (On aluminum base plate) , 20 - 95%RH (Non condensing) *
Safety And Noise Regulations Agency Approvals (At only AC input) UL60950-1, C-UL, EN62368-1
Complies with DEN-AN and IEC60950-1
Conducted Noise -
High Attenuation -
Others Dimensions (WxHxD) 61x12.7x116.8mm [2.4x0.5x4.6 inches]
Weight 180g max
Cooling Method Conduction cooling (e.g. heat radiation from the aluminum base plate to the attached heat sink)
Warranty Period 5-year
  • * For further information and how to use, please see in Cosel product catalog.

Documents Download

Technical Data
CAD Data DXF
3D CAD Data STEP
IGES
  • * For another documents aren't listed, please feel free to contact to a Cosel representative.
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.