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Mean Well RSD-200D-12 DC-DC Converter - 200.4W - 67.2~143V in 12V out

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

SKU:

RSD-200D-12

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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 / Over temp.

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)	191x86x40
Packing	12pcs / 12.3kg

Specifications

Brand

Mean Well
Series

RSD Series
Power Rating

200.4 Watt
Output Voltage

12 Volt
Rated Current

16.7 Ampere
Input Voltage

67.2V~143V
Standards Met

CB,CE,EAC,EMC,RCM
Operation Mode

Constant Voltage
Operating Temperature

-40°C~85°C
Warranty

3 Year
Length

19.1 cm
Width

8.6 cm
Height

4 cm
Weight

0.94 kg

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Frequently Asked Questions

Can I use the RSD-200D-12 to power 12V PLCs, relays, and control circuits from a 67.2~143V DC source?

Yes, this is a constant-voltage 12V DC-DC converter rated for 200.4W and 16.7A output. It is suitable for 12V control and automation loads when the source is within 67.2~143V and the total load stays within 16.7A.

Is the RSD-200D-12 suitable for 12V embedded systems or industrial computers on high-voltage DC buses?

It can be a fit when the upstream DC bus falls within 67.2~143V and the equipment needs a regulated 12V rail. The 200.4W capacity and 16.7A output make it better suited to heavier 12V electronics than lower-current 12V converters.

Would this converter work for 12V mobile, transit, or battery-based automation equipment?

It is aligned with mobile or industrial applications that need 12V output from a higher-voltage DC source. The features list 5G vibration resistance and 70°C operation, which supports use in more demanding mechanical and thermal conditions.

Can the RSD-200D-12 supply multiple 12V sensors, controllers, and communication devices at once?

It can support multiple 12V loads in one system as long as the combined demand remains within 200.4W and 16.7A. Because it is a constant-voltage 12V model, it is intended for 12V equipment rather than mixed-voltage loads.

How does the RSD-200D-12 compare with the other RSD-200D models?

In the RSD-200D family, the RSD-200D-12 is rated at 200.4W with 12V output at 16.7A, the RSD-200D-24 is rated at 201.6W with 24V output at 8.4A, and the RSD-200D-48 is rated at 201.6W with 48V output at 4.2A. The family mainly separates by output voltage and the current available at that voltage.

Is the RSD-200D-12 appropriate for outdoor or temperature-extreme environments?

The unit is specified for -40°C to +85°C operation, so it is rated for a wide ambient temperature range. No IP rating is listed, so exposed outdoor placement or washdown exposure should not be assumed without a protective enclosure.

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