DBS400B28 Cosel - DC-DC Converters

DBS400B28 Description

Cosel DBS400B28 is a power supply. Power supplies like this are found in automation panels, communication equipment and test systems.

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Summary of Features

Target Applications

Cosel DBS400B28 is used for industrial automation, test and measurement, telecom and datacom, medical, LED lighting and other equipment that needs reliable regulated DC power.

Key Specifications

Cosel DBS400B28 is a DC-DC bus converter, power module type from the DBS series, 406 W, output 28 V, input DC 200 - 400. Source: Cosel DBS series datasheet.

Parameter	Value
Series	Cosel DBS series (DBS400B)
Type	DC-DC bus converter, power module type
Max output wattage	406 W
Output voltage	28 V
Output current	14.5 A
Input voltage range	DC 200 - 400
Efficiency (typ)	88 %
Overcurrent protection	Works over 105% of rating and recovers automatically
Overvoltage protection	4.00 - 5.50V 5.75 - 7.00V 8.60 - 10.50V 13.80 - 16.80V 17.25 - 21.00V 20.70 - 25.20V 27.60 - 33.60V 32.20 - 39.20V
Isolation, input-output	AC3,000V 1minute, Cutoff current = 10mA, DC500V 50MΩ min (20 ±15°C)
Operating temperature, humidity and altitude	-20 to +85°C (On aluminum base plate), 20 - 95%RH (Non condensing) (Refer to “Derating”), 3,000m (10,000feet) max
Case size / weight	61X12.7X116.8mm [2.4X0.5X4.6 inches] (WXHXD) / 180g max

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