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Specification & Description
| 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 |
Commonly Asked Questions
Is my order covered by a warranty?
Marvo provides a full 12-month warranty on all products, whatever the condition. For your peace of mind, all parts are ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. If you are unhappy with the part(s) you received and would like to request a return, you can do so by completing our quick and easy online form. Once we have received your Returns Request, a member of the team will be in touch to discuss this further with you. You can read more about our warranty policy here.
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Read more...Is Marvo a credible parts supplier?
Marvo is a highly credible supplier of industrial automation parts and components with dedicated hubs around the world offering industry-leading products and services. Marvo is committed to providing a quick, easy and reliable place to source your automation and control components. All purchases come as standard with a comprehensive 12-month return to base warranty meaning that, in just a few clicks, you can source critical parts more seamlessly than ever before. Click here to read an article on how Marvo is redefining convenience for automation and manufacturing professionals.
Read more...Have steps been taken to ensure quality control?
Marvo takes pride in product quality and has put several measures in place to assure high levels of quality standards. For your peace of mind, all parts have been ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. Redefine convenience and secure priority delivery on all parts along with a comprehensive 12-month warranty. This is the smart new way to buy automation and control components.
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Frequently Asked Questions
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.
Part conditions explained
We want your buying experience to be as seamless as possible. So, here are all of the product descriptions you will see when browsing Marvo, explained a little further:
New unsealed: The product is in its original packaging, but the packaging has been opened or unsealed. It has never been used and should be in near pristine condition.
New sealed: The product is sealed in its original packaging. It has never been opened or used, ensuring that it's in an untouched state.
New unboxed: The product does not come in its original packaging, but it has never been used and is in great working condition.
Refurbished: The product has been previously used, but it has undergone a thorough refurbishment process to restore it to a like-new or functional condition. Any defects or issues have been addressed, making it suitable for reuse.
Used: The product has been previously owned and has been used. It may show signs of wear and tear but is still functional and operational. The condition may vary depending on the specific item and its usage history.
