Image shown may not reflect the final product
Check similar products or call us on +44 20 4570 3439 for assistance
Image shown may not reflect the final product
Check similar products or call us on +44 20 4570 3439 for assistance
Express shipping
Lightning fast shipping if ordered within 00:00:00
Hassle-free returns
No hidden fees or duties
Swift dispatch and delivery
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.
Read more...What payment methods do you accept?
We accept card payments from all major credit, debit and Mastercard providers including Visa, American Express, Western Union, Paypal and bank transfers. Before you complete an order you will be prompted to input your payment details, at which point you can enter the relevant card information you wish to use for your transaction. If you are experiencing issues with your payment method then you can contact our team via email here. From there, you will be directed to the most relevant resource or person to help you complete your payment, get your order processed and ensure that your parts are on the way to your delivery address.
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.
Read more...How do I create an account?
Creating an account is incredibly simple and takes a matter of seconds. You can create a Marvo account at any time by clicking here and following the simple steps on screen. By creating a Marvo account you can store your contact details, delivery addresses, billing addresses and more, meaning that you can enjoy game-changing convenience faster than ever before.
Read more...Peace of mind with every purchase
Anna
‘I can recommend quick, efficient, and professional.’
Dan
‘The ordering was fast and efficient, and everything arrived just as they said it would.’
Milan Kosík
‘Large selection of spare parts, fast delivery.’
Irene
‘Fast delivery and prompt action.’
Muswalin
‘Good packing, quickly delivery and responsible.’
Advance Lifts
‘Great customer service , we needed some assistance quickly and received it.’
Anna
‘I can recommend quick, efficient, and professional.’
Martin Ruml
‘Rapid delivery.’
Nathalie Jolicoeur
‘Great service. Thank you.’
Our service to you
Lightning-Fast Express Shipping: Receive your order in record time with our express shipping options, ensuring you minimize downtime and keep your projects on track.
No-Risk Returns, Guaranteed: Return your parts anytime for a full refund. Our hassle-free return policy ensures you’re never stuck with something you don’t need.
Clear Pricing with No Hidden Fees: What you see is what you pay, transparent pricing with no extra costs, ever. Rest assured, all taxes and fees are already included in your final price.
Rock-Solid Reliability at a Fraction of the Cost: Get pre-owned electronic parts that are fully tested for peak performance, saving you money without compromising on quality, backed by a comprehensive warranty.
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.
