RDC40

Selectron RDC40 available at EU Automation. Get in touch today for a quick price.

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Specification Description
Part Number RDC40
Manufacturer Selectron
Input Voltage - Operating 36 to 140 VDC (72 V nominal), 55 to 176 VDC (110 V nominal)
Output Voltage VDC Various models available with different output voltages (See Models and Ratings table)
Output Current Model dependent (See Models and Ratings table)
Efficiency Up to 90%
Isolation Input to Output: 1500 VAC, Input to Case: 1600 VDC, Output to Case: 1600 VDC
Operating Temperature -40 to +85°C
Case Temperature Up to +105°C
Cooling Convection-cooled
Remote On/Off Logic control available
Overvoltage Protection Included for various models
Overload Protection 130% of Full Load
Short Circuit Protection Trip and restart (hiccup mode, auto-recovery)
Ripple and Noise 100 mV pk-pk for single output models, 150 mV pk-pk for dual output models
Start-Up Time 30 ms
Line Regulation ±0.2%
Load Regulation ±0.5% for single output models, ±1.0% for dual output models (balanced outputs)
Cross Regulation ±5% for dual output models when one load is varied between 25% and 100%
Setpoint Accuracy ±1%
Switching Frequency 270 kHz
Power Density 31 W/in³
Mean Time Between Failure 320 kHrs MIL-HDBK-217F at 25°C GB
Weight 0.105 lbs (48 g)
Operating Humidity 95% RH Non-condensing
Storage Temperature -55 to +125°C
Compliance EN50121-3-2, EN50155 for Railway Applications, EN60950-1:2006 +A12: 2011, LVD & RoHS

What input voltage range does the RDC40 support for railway applications?

The RDC40 series supports two input voltage ranges for railway applications. The 72VDC nominal models accept an input from 36 to 140 VDC, and the 110V nominal versions have a 55 to 176 VDC input range.

Can the output voltage of the RDC40 be adjusted?

Yes, the RDC40 features a trim pin that allows for a +/-10% adjustment of the output voltage on single output models.

What is the efficiency rating of the RDC40 DC-DC power supplies?

The RDC40 DC-DC power supplies have a high efficiency rating, up to 90% under certain conditions.

Is there any protection against overvoltage for the RDC40?

Yes, the RDC40 includes overvoltage protection. The specific protection voltage levels vary depending on the model within the series.

What is the operating temperature range for the RDC40?

The operating temperature range for the RDC40 is from -40°C to +85°C, making it suitable for a variety of harsh environments.

Does the RDC40 come with remote on/off control?

Yes, the RDC40 series includes a remote on/off control feature, allowing for convenient power management.

What type of cooling is used for the RDC40 series?

The RDC40 series utilises convection cooling, which does not require any additional fans or moving parts.

Are there any safety approvals for the RDC40 series?

The RDC40 series complies with EN60950-1:2006 +A12: 2011 for Information Technology and is CE marked for the Low Voltage Directive (LVD) and Restriction of Hazardous Substances (RoHS).

What is the typical application for the RDC40 series?

The RDC40 series is designed primarily for railway applications, complying with relevant EMC and safety standards for rolling stock apparatus.

How does the RDC40 handle power surges?

The RDC40 is designed to handle input surges, with specific surge voltage levels detailed for the 72V and 110V models, ensuring reliable performance during transient conditions.

  • Power supply for railway applications, complying with EMC standards for rolling stock
  • Use in environments requiring high power density and efficiency up to 90%
  • Suitable for single and dual output configurations in electronic systems
  • Ideal for systems that require remote on/off control capabilities
  • Applicable in devices needing basic isolation of 1500VAC
  • Utilised in equipment operating across a wide temperature range from -40°C to +85°C
  • Integration into systems that demand convection-cooled power supplies
  • Employed in applications that benefit from adjustable output voltage (trimmable by ±10% for single output models)
  • Used in systems that require protection features such as overvoltage, overload, short circuit, and overtemperature protection
  • Suitable for applications that need to meet safety approvals like EN60950-1:2006 +A12:2011 and comply with LVD & RoHS standards

This content has been produced using multiple sources. EU Automation takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.

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