DC/DC Power Converter (Railway – Rolling Stock)

Espey developed this power converter supply for a major locomotive manufacturer. This high reliability power supply was designed and tested for extreme locomotive environmental conditions. This Power supply is capable of parallel operation with like units in a redundant fashion. This power DC/DC Power Converter operates from a very wide input ranging from 25 to 85 Vdc.

Electrical Specifications

• Input Voltage: 25 – 85 Vdc
• Output Voltage: +15 Vdc
• Output Current: 0.5 – 20 Amps
• Output Power: 300 watts continuous
• Regulation, Line & Load: ±5%
• Efficiency: 80% minimum

Mechanical Specifications

• Weight: 10 lbs. max
• Size: 3.6″ X 11.5″ X 9.25″
• Modular Aluminum Chassis

Features

• Output current limit protection
• 20% design margin on power and current ratings
• Soft-start with battery voltage application
• Qualified to locomotive environment extremes
• Qualified for EMI
• High Reliability Design greater than 290,000 hrs. MTBF

Click here for the PDF version.