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Mean Well RSD-100D-12 DC-DC Converter - 100.8W - 67.2~143V in 12V out

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

SKU:

RSD-100D-12

$65.00 USD ~~$69.21~~

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Description

Features

Compliance to EN50155 railway standard

2: 1 wide input range

4000VDC I / O isolation

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

Cooling by free air convection

Built-in constant current limiting circuit

1U low profile

All using 105 ° C long life electrolytic

Half encapsulated

100% full load burn-in test

3 years warranty

General Specification

Line regulation (max.)	± 0.5%
ALoad regulation (max.)	± 1%
Overload protection Range	105% ~ 135%
Overload protection Type	Constant current limiting, recovers automatically after fault condition is removed
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	100MQ(min.)@500VDC
Working temperature	-40 ~ + 70°C (refer to output derating curve)
Safety standards	Meet IEC60950-1 (LVD)
EMC standards	EN55022 class B, EN50121-3-2, EN61000-4-2,3,4,5,6,8
Railway standard	EN50155 / IEC60571
Dimension (LxWxH) (mm)	161x68x36
Packing	24pcs / 15.4kg

Specifications

Brand

Mean Well
Series

RSD Series
Power Rating

100.8 Watt
Output Voltage

12 Volt
Rated Current

8.4 Ampere
Input Voltage

67.2V~143V
No of Output

1
Dimming Control

None
Standards Met

CB,CE,EAC,EMC,RCM
Operation Mode

Constant Voltage
Operating Temperature

-40°C~85°C
Warranty

3 Year
Length

6.34 in
Width

2.68 in
Height

1.42 in
Weight

1.24 lb

File Downloads

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Frequently Asked Questions

Can I use the RSD-100D-12 to derive 12V power from a 72V, 96V, or 110V DC system?

Yes, this model accepts 67.2~143V input and provides a constant-voltage 12V output. With up to 8.4A and 100.8W, it is suitable for 12V control, monitoring, and embedded loads on higher-voltage DC systems within that range.

Is the RSD-100D-12 suitable for high-voltage battery or DC bus automation equipment that needs 12V controls?

Yes, the 67.2~143V input range is intended for higher-voltage DC bus applications. It converts that input to 12V constant voltage at up to 8.4A and 100.8W for automation electronics that need a lower-voltage control rail.

Can this converter be used in railway, mobile, or industrial equipment with vibration?

The features list specifies 5G vibration resistance, which supports use in equipment where mechanical vibration is a design factor. Its output remains 12V constant voltage with 8.4A and 100.8W available from a 67.2~143V input source.

Is the RSD-100D-12 intended for exposed outdoor environments?

The temperature rating is -40°C to +85°C, which covers a wide operating range. No IP rating is listed in the provided specs, so it should be treated as a converter for protected enclosures rather than exposed outdoor installation without additional housing.

How does the RSD-100D-12 compare with other 100W RSD-100 models?

In the 100W RSD-100 group, the 12V models are RSD-100B-12, RSD-100C-12, and RSD-100D-12, all rated at 100.8W and 8.4A. The same family also includes 24V versions at 100.8W and 4.2A and 5V versions at 100W and 20A; the D model is the high-input variant with a 67.2~143V input range.

Model	Power	Voltage	Current	IP Rating	Price
Mean Well RSD-100D-24 DC-DC Converter - 100.8W - 67.2~143V in 24V out	100.8W	24V	4.2A	Indoor	$68.88	View