Autotransformer
DSP 400/21 - Discontinued items – not for new applications
Characteristics
Benefits
› Low weight and small size (compared to isolating transformers)
› Very high efficiency
› Very good moisture protection and low noise thanks to vacuum impregnation
› Contact protected screw connection terminals complying with UVV BGV A3
› Simple mounting thanks to robust metal fixing rail with oval slots
| Product | Autotransformer |
| Order number | DSP 400/21 |
| Series | DSP |
| Power | 8,760 VA |
| Input | 3 x 400 V |
| Output |
3 x 240 V • 21 Aac oder 230 V • 21 Aac oder 190 V • 21 Aac oder 170 V • 21 Aac oder 130 V • 21 Aac |
| Phases | 3 |
| Frequency range | 50 Hz to 60 Hz |
| Short-Circuit Losses | 88.2 W |
| No-Load Losses | 73 W |
| EN Insulation class | B (130°C) |
| Duty Cycle | 100 % |
| Wire material | Copper |
| Efficiency | 98.2 % |
General
| Short circuit proof | not short-circuit proof |
| Switching group | YNa0 |
| Cooling type | AN |
Environment
| Ambient temperature | -20 °C to 40 °C / -4 °F to 104 °F |
| Max. installation height | 2,000 m / 6,562 ft |
Protection and Safety
| Protection type | IP00 |
| Protection class (prepared) | I |
| Degree of contamination | 2 |
Electrical Connections
| Input terminal | Screw terminal |
| Output terminal | Screw terminal |
| Terminal PE | Screw terminal |
Size and Weight
| Weight | 50 kg / 110.231 lbs |
| Low Voltage Directive | EN 61558-2-13 |
