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Mean Well

Mean Well RSD-100C-24 DC-DC Converter - 100.8W - 33.6~62.4V in 24V out 4.2A

miniature sizeeconomicalwithstand 5G vibration and 70°C operation
SKU RSD-100C-24
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Overview

RSD-100C-24 is the 24V output model of this series: rated current 4.2A, rated power 100.8W, 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 / Input reverse polarity
  • 4000VDC I/O isolation
  • Cooling by free air convection
  • Half encapsulated
  • Built-in constant current limiting circuit
  • 1U low profile 36mm
  • All using 105℃ long life electrolytic capacitors
  • LED indicator for power on
  • 100% full load burn-in test
  • 3 years warranty

Specifications

RSD-100C-24Specifications from the official datasheet (2025-07-18 edition)

OUTPUT

DC VOLTAGE
24V
RATED CURRENT
4.2A
CURRENT RANGE
0 ~ 4.2A
RATED POWER
100.8W
RIPPLE & NOISE (max.)Note.2
150mVp-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.)
2.4A/48V
INRUSH CURRENT (Typ.)
30A/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
27.6 ~ 32.4V Protection type : Shut down o/p voltage, re-power on to recover

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 5)

SAFETY STANDARDS
IEC 62368-1, UL 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
2446.2K hrs min. Telcordia SR-332 (Bellcore) ; 254.2K hrs min. MIL-HDBK-217F (25℃)
DIMENSION
161*68*36mm (L*W*H)
PACKING
0.563Kg; 24pcs/14.5Kg/0.91CUFT
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. Strongly recommended that external output capacitance should not exceed 5000uF. (Only for: RSD-100-5 / -12)
  5. 5. 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 )
  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-100C-24 Mechanical Specification
Mechanical Specification
RSD-100C-24 Block Diagram
Block Diagram
RSD-100C-24 Input Under-Voltage Protection
Input Under-Voltage Protection
RSD-100C-24 Hold-up Time
Hold-up Time
RSD-100C-24 Efficiency vs Load & Vin Curve
Efficiency vs Load & Vin Curve
RSD-100C-24 Overload Protection
Overload Protection
RSD-100C-24 LOAD(%)
LOAD(%)
RSD-100C-24 Immunity to Environmental Conditions
Immunity to Environmental Conditions

Downloads

FAQ

Can I use the RSD-100C-24 to power 24V sensors or automation devices from a 48V DC system?

Yes, this model accepts 33.6~62.4V input, so it fits nominal 48V DC systems. It provides a constant-voltage 24V output at up to 4.2A and 100.8W for 24V industrial sensors, controls, and automation subsystems within that rating.

Is the RSD-100C-24 suitable for 24V control loads in telecom or DC distribution cabinets?

Yes, the input range of 33.6~62.4V makes it suitable for higher-voltage DC distribution environments that need a regulated 24V rail. The output is limited to 4.2A and 100.8W, so it is intended for control and electronics loads rather than larger 24V power devices.

Can this converter be used in embedded or industrial systems where vibration is a concern?

The specs list 10~500Hz, 5G vibration with IEC61373 shock and vibration compliance, which is relevant for mobile or mechanically active industrial equipment. It delivers 24V constant-voltage output up to 4.2A from a 33.6~62.4V input source.

Is the RSD-100C-24 suitable for outdoor use?

It operates from -40°C to +55°C without derating, and up to +70°C at 60% load by free air convection or at full load when mounted on an external base plate (EN50155 TX class). However, no IP rating is listed in the provided specs, so exposed outdoor use would normally require a protective enclosure rather than leaving the converter open to rain or dust.

How does the RSD-100C-24 compare with other RSD-100 converters at the same power class?

For the 100W RSD-100 family, the 24V models are RSD-100B-24, RSD-100C-24, and RSD-100D-24, each rated at 100.8W and 4.2A. The same platform also includes 12V versions at 100.8W and 8.4A and 5V versions at 100W and 20A; the C model is the variant in the 33.6~62.4V input range group.

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Other RSD-100C Models

1 other model
ModelPowerVoltageCurrentIP Rating
Mean Well RSD-100C-12 DC-DC Converter - 100.8W - 33.6~62.4V in 12V out 8.4A 100.8W 12V 8.4A IP20 View
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Mean Well RSD-100C-24 DC-DC Converter - 100.8W - 33.6~62.4V in 24V out 4.2A
Mean Well

Mean Well RSD-100C-24 DC-DC Converter - 100.8W - 33.6~62.4V in 24V out 4.2A

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RSD-100C-24 is the 24V output model of this series: rated current 4.2A, rated power 100.8W, 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 / Input reverse polarity
  • 4000VDC I/O isolation
  • Cooling by free air convection
  • Half encapsulated
  • Built-in constant current limiting circuit
  • 1U low profile 36mm
  • All using 105℃ long life electrolytic capacitors
  • LED indicator for power on
  • 100% full load burn-in test
  • 3 years warranty
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