Autotransformer
PVAT3 20
Characteristics
Benefits
› Low weight and small size (compared to isolating transformers)
› Very high efficiency
› Very good corrosion protection and low noise thanks to vacuum impregnation
› Quick to cable up thanks to the use of spring-clamp terminals
| Product | Autotransformer |
| Order number | PVAT3 20 |
| Series | PVAT3 |
| Power | 650 VA |
| Input | 3 x 690 V |
| Output | 3 x 400 V • 0.94 Aac |
| Phases | 3 |
| Frequency range | 50 Hz to 60 Hz |
| Short-Circuit Losses | 37.4 W |
| No-Load Losses | 7.54 W |
| EN Insulation class | F (155°C) |
| UL Insulation class | class 155 |
| Duty Cycle | 100 % |
| Wire material | Copper |
| Efficiency | 93.5 % |
General
| Short circuit proof | not short-circuit proof |
| Switching group | YNa0 |
| Cooling type | AN |
Environment
| Ambient temperature | -20 °C to 60 °C / -4 °F to 140 °F |
| Max. installation height | 2,000 m / 6,562 ft |
Protection and Safety
| Protection type | IP 00 |
| Protection class (prepared) | I |
| Degree of contamination | 1 |
Electrical Connections
| Input terminal | Spring cage terminal |
| Output terminal | Stranded wire |
| Terminal PE | Spring cage terminal |
Size and Weight
| Width | 72 mm / 2.83 in |
| Height | 215 mm / 8.46 in |
| Depth | 170 mm / 6.69 in |
| Weight | 4.7 kg / 10.362 lbs |
| Low Voltage Directive | EN 61558-2-13 |
| Approval cURus - Recognized | UL 5085-1/-2; CSA 22.2 |
