Autotransformer
ESP 400/0,8
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 400/0,8 |
| Series | ESP |
| Power | 248 VA |
| Input | 400 V |
| Output |
310 V • 0.8 Aac oder 270 V • 0.8 Aac oder 235 V • 0.8 Aac oder 200 V • 0.8 Aac oder 170 V • 0.8 Aac oder 140 V • 0.8 Aac |
| Phases | 1 |
| Frequency range | 50 Hz to 60 Hz |
| No-Load Losses | 4.7 W |
| EN insulation class | B (130°C) |
| Duty Cycle | 100 % |
| Wire material | Copper |
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 | 75 mm / 2.95 in |
| Height | 100 mm / 3.94 in |
| Depth | 84 mm / 3.31 in |
| Weight | 1.51 kg / 3.33 lbs |
| Low Voltage Directive | EN 61558-2-13 |
