steve
Got hold of Sime for a Carrier card for…
Got hold of Sime for a Carrier card for a chiller. Machine down in a factory. Received the new card in express time machine and plant now up and running fantastic service form Sime
3 weeks ago
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1. Email confirmation
You will get an email confirming that we have received your enquiry.
2. Dedicated Account Manager
One of our team will be in touch to confirm your part(s) specification and condition.
3. Your quote
You will receive a comprehensive quote tailored to your specific needs.
| 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 |
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.
Yes, the RDC40 features a trim pin that allows for a +/-10% adjustment of the output voltage on single output models.
The RDC40 DC-DC power supplies have a high efficiency rating, up to 90% under certain conditions.
Yes, the RDC40 includes overvoltage protection. The specific protection voltage levels vary depending on the model within the series.
The operating temperature range for the RDC40 is from -40°C to +85°C, making it suitable for a variety of harsh environments.
Yes, the RDC40 series includes a remote on/off control feature, allowing for convenient power management.
The RDC40 series utilises convection cooling, which does not require any additional fans or moving parts.
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).
The RDC40 series is designed primarily for railway applications, complying with relevant EMC and safety standards for rolling stock apparatus.
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.
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.
All parts new or reconditioned are covered by EU Automation 12 month warranty
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