MEAN WELL RSD 300 DC/DC Converter, 48V dc/ 0 A, 31.2V dc Input, 16.8V Input 273.6 W, Surface, 55 °C Max Temp -40 °C Min

View all DC-DC Converters
Bulk discount available

Subtotal (1 unit)*

Kr. 1 505,97

(exc. VAT)

Kr. 1 882,46

(inc. VAT)

Add to Basket
Select or type quantity
In Stock
  • Plus 2 unit(s) shipping from 27 April 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.

Units
Per unit
1 - 4Kr. 1 505,97
5 - 9Kr. 1 460,75
10 - 24Kr. 1 415,65
25 - 49Kr. 1 370,42
50 +Kr. 1 325,20

*price indicative

RS Stock No.:
770-4080
Distrelec Article No.:
110-52-771
Mfr. Part No.:
RSD-300B-48
Brand:
MEAN WELL
Find similar products by selecting one or more attributes.
Select all

Brand

MEAN WELL

Product Type

DC/DC Converter

Output Voltage 1

48V dc

Minimum Input Voltage

16.8V

Maximum Input Voltage

31.2V dc

Output Current 1

0A

Output Current 2

5.7A

Mount Type

Surface

Input Ratio

2:1

Number of Outputs

1

MTBF

1850100h

Isolation Voltage

4kV dc

Maximum Output Power

273.6W

Package Type

Half Encapsulated

Length

216mm

Series

RSD 300

Depth

40mm

Standards/Approvals

No

Minimum Operating Temperature

-40°C

Maximum Operating Temperature

55°C

Efficiency

91.5%

Mean Well 300W Railway Certified Regulated Isolated DC-DC Converter - RSD 300 Se


The Mean Well railway power supply RSD-300 series can satisfy the various requirements of vehicle applications. Complies with railway certificates (EN50155, IEC60571, IEC61373, EN50121-3-2) making them suitable for use in vehicles that are equipped with DC power source. This Power supply has a 5G anti-vibration ability and a wide range working temperature of -40 to +70℃, with protections for short circuit, overload, output over voltage, over temperature and input reverse polarity, it also has a built in current limiting circuit. The RSD-300 possess up to 91% of high efficiency, it is semi encapsulated for PCB protection, providing the basic function of anti moisture, anti dust and heat dissipation. The RSD-300 can be cooled without forced air and still work between -40% and +70% ambient temperature. This Mean Well power supply is suitable for applications of harsh environment and for all kinds of vehicles that are equipped with DC power source. The applications include railway, metro rapid transit system, subway, bus, leisure trailer, vessel and also security system, DC UPS system, and telecom equipments.

Comply with EN50155 (IEC60571) railway related regulations

2:1 wide input range

4000VDC input/output isolation

High efficiency up to 91%

Cooling by free air convection

Built-in constant current limiting circuit

Protections: Short circuit / Overload / Over voltage / Over temperature / Input reverse polarity (no damage)

using 105℃ long life electrolytic capacitors

LED indicator for power on

100% full load burn-in test

-40 to +70℃ wide operating range

Note

Available on EPLAN.

Standards

Meets IEC60950-1(LVD)
Meets EN50155 / IEC60571 including IEC61373 for shock & vibration, EN50121-3-2 for EMC

Related links