RSI300FT

DC/AC Sine Wave Inverters Railway Applications

The RSI300 is rugged DC/AC inverter is designed for a variety of Rail applications and designed to meet EN50155.It uses field-proven, microprocessor controlled high-frequency PWM technology to generate 300VA output power with pure sine wave output voltage. It is a mature design with a track record in numerous Rail & Industrial applications.

The DC/DC input stage boosts the input voltage to a higher DC voltage, which feeds the DC/AC inverter to generate the required AC output. The use of high-frequency conversion enables a compact construction, low weight and high efficiency. The unit has full electronic protection. The input and output are filtered for low noise. Cooling is via baseplate to a heatsinking surface and by natural convection.

Rugged Mechanical Designs

Helios power supplies are ruggedly constructed and can be customized for specific mechanical requirements. Standard mechanical packages and ruggedization options include:

  • Chassis and wall-mountable units in vented conduction/convection or fan-cooled enclosures
  • DIN-rail and open-frame format available for many designs
  • Plug-in (Eurocard) format for modular power systems in 19 inch or 23-inch racks
  • Conformal coating and ruggedizing are standard
  • Full encapsulation (potting) in a thermally conductive MIL-grade silicon rubber compound with UL94V-0 flammability rating for immunity to high levels of shock and vibration, humidity, moisture, dust, salt, oil, insects and other contaminants
  • Enclosure in rugged, IP66- or IP67-rated waterproof, dustproof and explosion-proof die-cast aluminium packages. These enclosures also protect internal electronic boards from condensation and the ingress of oil, salt, sand, insects and other environmental contaminants
  • Custom connections
  • Portable Battery Chargers

SPECIFICATIONS TABLE

Input voltage range24VDC,  ( 15-34 )
36VDC ( 22-51 )
48VDC ( 28-67 )
72VDC ( 43-101)
96VDC ( 58-135 )
125VDC ( 66-154 )
Input ProtectionInrush current limiting
Internal safety fuse,
Reverse Polarity Protection
Load Crest FactorMaximum 3% at 90% load
Output  Freq.50Hz, 60Hz, 400Hz options
Output Power300 VA
Output VoltageA = 115V/60Hz
E = 230V/50Hz
M = 115V/400Hz
EfficiencyInput voltage  / model dependent typically
80% at 100% load
RegulationLoad:  ±2% from 10% to 100% load step.
Line:   ±1.0% over input range
Operating Temp. -25ºC to +50ºC at rated load.
Other options on request
CoolingConvection  / Conduction cooled

Ask for Assistance

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:

  • Power & control requirements
  • Output & Input Voltage / Multioutput Voltage / Variable Voltage
  • Redundancy level
  • Mounting
  • Inrush Current
  • Environmental specifications (Temperature, altitude, vibration, shock)
  • Specific Industries Standards (Railway, Military, Medical)
  • Terminals

Contact Our Team

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