Autotransformer, three-phase
AT3 2-24/35-4
Characteristics
Benefits
› Autotransformer according to EN (IEC) 61558-2-13
› Reverse operation possible
› Very high efficiency
› Patented mounting technology to reduce heat losses
› Excellent corrosion protection and low noise emission thanks to BLOCK IMPEX vacuum impregnation
› Fixed, touch-protected screw terminal connections according to UVV BGV A3
| Product | Autotransformer, three-phase |
| Order number | AT3 2-24/35-4 |
| Series | AT3 |
| Power | 2,000 VA |
| Input | 3 x 240 V / 346 V |
| Output | 3 x 400 V • 2.9 Aac |
| Phases | 3 |
| Frequency range | 50 Hz to 60 Hz |
| Short-Circuit Losses | 75.69 W |
| No-Load Losses | 15.23 W |
| EN Insulation class | F (155°C) |
| UL Insulation class | class 155 |
| Duty Cycle | 100 % |
| Wire material | Copper |
| Efficiency | 95.7 % |
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 | IP 00 |
| Protection class (prepared) | I |
| Degree of contamination | 1 |
Electrical Connections
| Input terminal | Screw terminal |
| Output terminal | Screw terminal |
| Terminal PE | Screw terminal |
Size and Weight
| Width | 220 mm / 8.66 in |
| Height | 175 mm / 6.89 in |
| Depth | 115 mm / 4.53 in |
| Weight | 9.8 kg / 21.605 lbs |
| Low Voltage Directive | EN 61558-2-13 |
| Approval cURus - Recognized | UL 5085-1/-2; CSA 22.2 |
