Low Voltage Power Supply for Rail Application
Low Voltage Power Supply for Rail Application
- Developed from the scratch for harsh rail environmental conditions
- High frequency switching for low volume and weight (> 60kHz)
- Built-in micro-processor control- and regulation
- CAN Interface
- Integrated filter and EMI filter
- Extremely rugged due to Planar transformer technology (Transformer is integrated within the board layout)
- Extreme long service life (no electrolytic capacitors used)
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Options:
- Reversed input voltage protection
- Fan cooling for increased for increased output power
- Higher IP rating (e.g. IP54)
- Customized interfaces
| Description | Requirement | Standard |
| Storage temperature | -40°C … +71°C | |
| Operating temperature | -40°C … +60°C | |
| Degree of contamination | Level 2 | EN 60664-1 |
| Isolation | 2.5kV AC RMS 1min | |
| Power Electronics, general | VG 96968-1 | |
| Sea level altitude, operation | 2.000 Meter | Comment: 3.000 Meter with reduced performance |
| Maximum transport height | 16.000 feet (4.876m) without pressure compensation | Comment: No electrolytic capacitors used |
| Humidity | Humidity 3% to 100% including condensation during storage and commissioning. | |
| Vibration | MIL-STD-810-H, Method 514.8 Kat. 4 | MIL-STD-810-H |
| Shock | Longitudinal: ± 8.0g
Lateral: ± 3.0g Vertikal: ↓7,52g ↑3,03g |
|
| Mains feedback | DIN EN 61000-3-2, DIN EN 61000-3-12 | |
| EMI | According to customer requirements. |
| Input Voltage Range | 400 … 800V DC | continuous |
| Output Voltages | 24V DC, 28V DC, 37.5V DC, 48V DC | Nominal; not settable |
| Output Power with optional Fans: | 2kW | Continuous, 2.5kW short term |
| Output Power (no fans) | 1.4kW | Continuous, 2kW short term |
| Output voltage control | Via CAN- Interface | Settable range: Nominal output voltages +/- 15% |
| Output current control | Via CAN- Interface | |
| Maximum transport height | 16.000 feet (4.876m) without pressure compensation | Comment: No electrolytic capacitors used |
| Tolerance output voltage | +/- 2% | |
| Tolerance output current | +/- 5% | |
| Protection | Short circuit, overload, temperature | Optional: Reversed input voltage |
| Weight | Approx. 25lbs | |
| Dimensions | 11.85 x 11.85 x 5.4 inches |
