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The RWY 182 Series fully encapsulated, dual output, railway quality DC/DC converter uses field-proven topology to generate 200W output power. It employs forward topology on one output and push pull topology on the other.Both outputs are individually regulated and current limited. This is a mature product with a track-record in numerous applications. The unit is entirely potted with a thermally conductive MIL?grade silicon rubber compound to ensure immunity to shock, vibration and humidity. It is conduction-cooled via a base plate to a heat sinking surface. Low component count, large design headroom, and the use of components with established reliability result in a high MTBF. The unit meets the requirements of EN50155 for Electronic equipment used on rolling stock. The unit is also suitable for transportation, mining, oil rigs, military and other harsh environments.
Helios power supplies are ruggedly constructed and can be customized for specific mechanical requirements. Standard mechanical packages and ruggedization options include:
Model | Output ( V1) | Output ( V2) | Power (W) |
RWY182 | Any voltage 5V – 72V limited to 8A / 100W | Any voltage 5V – 72V limited to 8A / 100W | 200W |
Operating input voltage range | 24VDC ( 14.4 ~ 34 ) 36VDC ( 22 ~ 51 ) 48VDC ( 20 ~ 67) 72VDC ( 43 ~ 101) 96VDC ( 58 ~ 135) 110VDC ( 66 ~ 154) |
Input Protection | Reverse polarity protection.Inrush current limiting Lower voltage than specified will not damage unit |
Output Voltage | See table |
Regulation | ±1% Line / Load combined |
Operating Temp: | -40ºC to +70ºC cold plate temperature |
Efficiency | Model dependent , typically 80-90% |
Dynamic Response | Max ±5% diviation for 10% – 50% load step wuth 1msec recovery |
MTBF | >160,000 hrs |
Selecting the right power supply for your application is not a small task. Let our technical sales engineers guide you through the process of choosing the right solution for your needs.
Below some parameters usually required to size and select the right power supply:
Contact our team of experienced engineers to discuss your unique power conversion and backup needs. We offer a wide range of highly reliable components that can be integrated and customized to create a solution that meets or exceeds your requirements.
For power automation systems please contact us at power.systems.automation@heliosps.com.au
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