Autotransformer
ESP 400/10
Characteristics
Benefits
› Low weight and small size (compared to isolating transformers)
› Very high efficiency
› Very good moisture protection and low noise thanks to BLOCK IMPEX vacuum impregnation
› Contact protected screw connection terminals complying with UVV BGV A3
› Simple mounting thanks to robust metal footplate with oval slots
| Product | Autotransformer |
| Order number | ESP 400/10 |
| Series | ESP |
| Power | 3,100 VA |
| Input | 400 V |
| Output |
140 V • 10 Aac oder 170 V • 10 Aac oder 200 V • 10 Aac oder 235 V • 10 Aac oder 270 V • 10 Aac oder 310 V • 10 Aac |
| Phases | 1 |
| Frequency range | 50 Hz to 60 Hz |
| Short-Circuit Losses | 42 W |
| No-Load Losses | 25 W |
| EN insulation class | B (130°C) |
| Duty Cycle | 100 % |
| Wire material | Copper |
| Efficiency | 97.9 % |
General
| Short circuit proof | not short-circuit proof |
| Switching group | Ia0 |
| 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 | IP 00 |
| Protection class (prepared) | I |
| Degree of contamination | 2 |
Electrical Connections
| Input terminal | Screw terminal |
| Output terminal | Screw terminal |
| Terminal PE | Screw plug-in connection |
Size and Weight
| Width | 120 mm / 4.72 in |
| Height | 150 mm / 5.91 in |
| Depth | 174 mm / 6.85 in |
| Weight | 11.63 kg / 25.64 lbs |
| Low Voltage Directive | EN 61558-2-13 |
