Power auto-transformer AT3 series
cast resinthree-phasefloor-standing

power auto-transformer
power auto-transformer
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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.