- Electricity - Electronics
- Electronic Component
- Power auto-transformer
- Block Transformatoren-Elektronik
Power auto-transformer AT3 seriescast resinthree-phasefloor-standing
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Characteristics
- Type
- power
- Configuration
- cast resin
- Electrical characteristics
- three-phase
- Mounting
- floor-standing
- Other characteristics
- vacuum impregnation
- Electric power
Max.: 250 kVA
(339.9053 hp)Min.: 2 kVA
(2.7192 hp)- Primary voltage
200 V, 208 V, 690 V
- Secondary voltage
400 V
Description
General Data
Rated input voltage 3 x 200/208 ‑ 3 x 690 Vac
Rated output voltage 3 x 400 Vac
Rated power 2000 ‑ 250000 VA
Insulation class F
Maximum ambient temperature 40 °C
Efficiency up to 98 %
Degree of protection IP 00/23/54
Optionally adapted package for higher degrees of protection
Advantages
Low weight and small size (compared to isolating transformers)
Very high efficiency
Inverse operation possible
Patented assembly technology to lower heat losses
Very good corrosion protection and low noise thanks to BLOCKIMPEX vacuum impregnation
Fixed, contact protected screw connection terminals complying with UVV BGV A3
Multifunctional fixing rails with 12 oval slots
Enlarged fixing rail for easy installation from above
Integrated crane eyes
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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.