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Mean Well

Mean Well RSD-200C-12 DC-DC Converter - 200.4W - 33.6~62.4V in 12V out 16.7A

miniature sizeeconomicalwithstand 5G vibration and 70°C operation
SKU RSD-200C-12
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Overview

RSD-200C-12 is the 12V output model of this series: rated current 16.7A, rated power 200.4W, typical efficiency 91%.

Features

  • Compliance to BS EN/EN50155 and BS EN/EN45545-2 railway standard
  • 2:1 wide input range
  • Protections: Short circuit / Overload / Over voltage / Over temperature / Input reverse polarity
  • 4000VDC I/O isolation
  • Cooling by free air convection
  • Half encapsulated
  • Built-in constant current limiting circuit
  • 1U low profile 40mm
  • All using 105℃ long life electrolytic capacitors
  • LED indicator for power on
  • 100% full load burn-in test
  • 3 years warranty

Specifications

RSD-200C-12Specifications from the official datasheet (2025-07-18 edition)

OUTPUT

DC VOLTAGE
12V
RATED CURRENT
16.7A
CURRENT RANGE
0 ~ 16.7A
RATED POWER
200.4W
RIPPLE & NOISE (max.)Note.2
120mVp-p
VOLTAGE TOLERANCENote.3
±2.0%
LINE REGULATION
±0.2%
LOAD REGULATION
±1.0%
SETUP, RISE TIME
800ms, 50ms at full load
HOLD UP TIME (Typ.)
Please refer to page 3 Hold up Time( Load de-rating curve )

INPUT

VOLTAGE RANGE CONTINUOUS
33.6 ~ 62.4VDC
VOLTAGE RANGE 1 SEC.
28.8 ~ 67.2VDC
EFFICIENCY (Typ.)
91%
DC CURRENT (Typ.)
4.8A/48V
INRUSH CURRENT (Typ.)
45A/48VDC
INTERRUPTION OF VOLTAGE SUPPLY
EN50155:2021-Comply with S1 level

PROTECTION

OVERLOAD
105 ~ 135% rated output power Protection type : Constant current limiting, recovers automatically after fault condition is removed
OVER VOLTAGE
13.8 ~ 16.2V Protection type : Shut down o/p voltage, re-power on to recover
OVER TEMPERATURE
Shut down o/p voltage, recovers automatically after temperature goes down

ENVIRONMENT

WORKING TEMP.
-40 ~ +55℃ (no derating) ; +70℃ @ 60% load by free air convection ; +70℃ no derating with external base plate, TX class compliance
WORKING HUMIDITY
5 ~ 95% RH non-condensing
STORAGE TEMP.
-40 ~ +85℃
TEMP. COEFFICIENT
± 0.03%/℃ (0 ~ 50℃ )
VIBRATION
10 ~ 500Hz, 5G 10min./1cycle, 60min. each along X, Y, Z axes ; Mounting : compliance to IEC61373
OPERATING ALTITUDE
5000 meters

SAFETY & EMC (Note 4)

SAFETY STANDARDS
UL 62368-1, IEC 62368-1, AS/NZS 62368-1, EAC TP TC 004 approved, Design refer to BS EN/EN62368-1
WITHSTAND VOLTAGE
I/P-O/P:4KVDC I/P-FG:2.5KVDC O/P-FG:2.5KVDC
ISOLATION RESISTANCE
I/P-O/P, I/P-FG, O/P-FG:100M Ohms / 500VDC / 25℃/ 70% RH
EMC EMISSION
Compliance to BS EN/EN55032 (CISPR32) Conduction Emission: Class A, Radiation Emission: Class B, EAC TP TC 020
EMC IMMUNITY
Compliance to BS EN/EN61000-4-2,3,4,5,6,8, BS EN/EN55035, light industry level, EAC TP TC 020
RAILWAY STANDARD
BS EN/EN50155 / IEC60571 including IEC61373 for shock & vibration, BS EN/EN50121-3-2 for EMC ;BS EN/EN45545-2 for fire protection

OTHERS

MTBF
2125.5K hrs min. Telcordia SR-332 (Bellcore) ; 218.2K hrs min. MIL-HDBK-217F (25℃)
DIMENSION
191*86*40mm (L*W*H)
PACKING
0.94Kg; 12pcs/12.3Kg/0.73CUFT
Test conditions and notes6
  1. 1. All parameters NOT specially mentioned are measured at 24,48,110VDC input, rated load and 25℃ of ambient temperature.
  2. 2. Ripple & noise are measured at 20MHz of bandwidth by using a 12" twisted pair-wire terminated with a 0.1μF & 47μF parallel capacitor.
  3. 3. Tolerance : includes set up tolerance, line regulation and load regulation.
  4. 4. The power supply is considered a component which will be installed into a final equipment. All the EMC tests are been executed by mounting the unit on a 360mm*360mm metal plate with 1mm of thickness. The final equipment must be re-confirmed that it still meets EMC directives. For guidance on how to perform these EMC tests, please refer to “EMI testing of component power supplies.” (as available on https://www.meanwell.com//Upload/PDF/EMI_statement_en.pdf )
  5. 5. Strongly recommended that external output capacitance should not exceed 5000uF. (Only for: RSD-200-12)
  6. 6. The ambient temperature derating of 3.5℃/1000m with fanless models and of 5℃/1000m with fan models for operating altitude higher than 2000m(6500ft).

Technical drawings

RSD-200C-12 Mechanical Specification
Mechanical Specification
RSD-200C-12 Block Diagram
Block Diagram
RSD-200C-12 Input Under-Voltage Protection
Input Under-Voltage Protection
RSD-200C-12 Hold-up Time
Hold-up Time
RSD-200C-12 Efficiency vs Load & Vin Curve
Efficiency vs Load & Vin Curve
RSD-200C-12 Overload Protection
Overload Protection
RSD-200C-12 LOAD(%)
LOAD(%)
RSD-200C-12 R S D - 2 0 0 series
R S D - 2 0 0 series
RSD-200C-12 EN45545-2 Fire Test Conditions
EN45545-2 Fire Test Conditions

Downloads

FAQ

Can I use the RSD-200C-12 to derive 12V control power from a higher-voltage DC system?

Yes, this converter is designed for a 33 to 62V input range and provides a constant 12V output. It can supply up to 16.7A with a 200.4W rating for industrial or embedded 12V loads.

Is the RSD-200C-12 suitable for 12V automation controllers and HMI hardware on 36V or 48V-class DC platforms?

It can be used where the source remains within 33 to 62V and the downstream 12V load stays within 16.7A and 200.4W. That makes it relevant for automation platforms that need a dedicated regulated 12V rail from a higher-voltage bus.

Can this converter power 12V embedded electronics in industrial vehicles or mobile machinery?

It is built for demanding operating conditions, with a working temperature range of -40°C to +55°C (no derating) and up to +70°C at 60% load. It features 5G vibration resistance. Those specs make it suitable for 12V embedded electronics in mobile industrial environments when the input source is within 33.6 to 62.4V.

Is the RSD-200C-12 a good option for distributed 12V loads inside a machine cabinet?

It can support distributed 12V cabinet loads up to 16.7A, with total power up to 200.4W. Its compact dimensions of 191.0 × 86.0 × 40.0 mm also help where cabinet space is constrained.

What is the difference between the RSD-200C-12 and the other RSD-200C versions?

Within the RSD-200C family, the RSD-200C-12 is 200.4W at 12V and 16.7A, the RSD-200C-24 is 201.6W at 24V and 8.4A, and the RSD-200C-48 is 201.6W at 48V and 4.2A. The main selection difference is the output voltage and matching output current.

Can the RSD-200C-12 be used in hot, cold, or outdoor industrial environments?

The working temperature range is -40°C to +55°C (no derating), extending to +70°C at 60% load. No IP rating is listed in the provided specs, so outdoor use or exposure to moisture and dust depends on the protection provided by the finished enclosure.

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Other RSD-200C Models

1 other model
ModelPowerVoltageCurrentIP Rating
Mean Well RSD-200C-24 DC-DC Converter - 201.6W - 33.6~62.4V in 24V out 8.4A 201.6W 24V 8.4A IP20 View
View all 85 RSD Series models
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Mean Well RSD-200C-12 DC-DC Converter - 200.4W - 33.6~62.4V in 12V out 16.7A
Mean Well

Mean Well RSD-200C-12 DC-DC Converter - 200.4W - 33.6~62.4V in 12V out 16.7A

Log in to see price

RSD-200C-12 is the 12V output model of this series: rated current 16.7A, rated power 200.4W, typical efficiency 91%.

Features

  • Compliance to BS EN/EN50155 and BS EN/EN45545-2 railway standard
  • 2:1 wide input range
  • Protections: Short circuit / Overload / Over voltage / Over temperature / Input reverse polarity
  • 4000VDC I/O isolation
  • Cooling by free air convection
  • Half encapsulated
  • Built-in constant current limiting circuit
  • 1U low profile 40mm
  • All using 105℃ long life electrolytic capacitors
  • LED indicator for power on
  • 100% full load burn-in test
  • 3 years warranty
View product

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