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Mean Well RSD-500D-48 DC-DC Converter - 499.2W 67.2-154V DC in 48V out

miniature size, economical, withstand 5G vibration and 70°C operation

SKU:

RSD-500D-48

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Description

Features

Compliance with BS EN/EN50155 and BS EN/EN45545-2 railway standard

1U low profile(25mm

2:1 wide input range

Fanless design, half encapsulated, cooling by free air convection

-40~+80℃ wide operating temperature

DC output adjustable

Protections: Short circuit / Overload / Over voltage / Input reverse polarity / Over temp.

4000VDC I / O isolation

Half encapsulated, cooling by free air convection

Operating altitude up to 5000 meters (Note.5)

LED indicator for power on

3 years warranty

General Specification

Line regulation (max.)	± 0.5%
Load regulation (max.)	± 1.0%
Overload protection Range	105% ~ 135%
Overload protection Type	Constant current limiting 105~135% rated output power with auto-recovery
Over-voltage protection	115% to 135% Shutdown O / P voltage, re-power on to recover
Withstand voltage	I / PO / P: 4kVDC, I / P-FG: 2.5kVDC, O / P-FG: 2.5kVDC, 1 minute
Isolation resistance	I/P-O/P, I/P-FG, O/P-FG:100M Ohms / 500VDC / 25℃/ 70% RH
Working temperature	-40 ~ + 80°C (refer to output derating curve)
Safety standards	UL62368-1, IEC 62368-1, AS/NZS 62368-1, EAC TP TC 004 approved, Design refer to BS EN/EN62368-1
EMC standards	EN55022 class B, EN50121-3-2, EN61000-4-2,3,4,5,6,8
Railway standard	EN50155 / IEC60571
Dimension (LxWxH) (mm)	237 x 100 x 41mm
Packing	1.45Kg;10pcs/15.5Kg/0.8CUFT

Specifications

Brand

Mean Well
Series

RSD Series
Power Rating

499.2 Watt
Output Voltage

48 Volt
Rated Current

10.4 Ampere
Input Voltage

67.2V~154V
Standards Met

CB,CE,EAC,SAA,UL
Operation Mode

Constant Voltage
Operating Temperature

-40°C~80°C
Warranty

3 Year
Length

23.7 cm
Width

10 cm
Height

4.1 cm
Weight

1.45 kg

File Downloads

::specification::

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Frequently Asked Questions

Can I use the RSD-500D-48 for a 48V industrial automation or control system?

Yes. This model provides a constant 48V output at up to 10.4A, with total output power of 499.2W. That makes it suitable for 48V systems whose combined load stays within those ratings.

Is this converter appropriate for 48V telecom or network equipment powered from a wide input range?

It can be used where the equipment requires a regulated 48V supply and the load does not exceed 10.4A or 499.2W. The listed input range is 67-154VAC, giving it a broad allowable input window in the published specs.

Can the RSD-500D-48 support 48V embedded or edge-computing equipment in compact enclosures?

It is sized for relatively compact integration at 237.0 × 100.0 × 41.0 mm while still delivering 499.2W. For embedded or edge systems that need a stable 48V rail, it supports up to 10.4A in constant-voltage mode.

Would this model make sense for vibration-exposed transport or industrial platforms running 48V loads?

It is specified to withstand 5G vibration, which is relevant for mobile and mechanically stressed platforms. The converter also supports operation up to 70°C and has a full published operating range of -40°C to +80°C.

Can the RSD-500D-48 be used outdoors or in uncontrolled environments?

Its operating temperature range is -40°C to +80°C, so the temperature spec is broad. No IP rating is provided in the listed specs, so it should be considered for protected indoor or enclosed outdoor use rather than exposed weather conditions.

Model	Power	Voltage	Current	IP Rating
Mean Well RSD-500D-24 DC-DC Converter - 499.2W 67.2-154V DC in 24V out	499.2W	24V	20.8A	Indoor	View
Mean Well RSD-500D-12 DC-DC Converter - 420W 67.2-154V DC in 12V out	420W	12V	35A	Indoor	View

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