AT3 45-20/21-4

Autotransformer AT3

Version AT3 45-20/21-4
Rated input voltage 3 x 200/208 Vac Rated output voltage 3 x 400 Vac Rated Power 45,000 VA
Display options
Version Rated input voltage Rated output voltage Rated Power
AT3 2-20/21-4 3 x 200/208 Vac 3 x 400 Vac 2,000 VA
AT3 2-22/23-4 3 x 220/230 Vac 3 x 400 Vac 2,000 VA
AT3 2-24/35-4 3 x 240/346 Vac 3 x 400 Vac 2,000 VA
AT3 2-38/42-4 3 x 380/415 Vac 3 x 400 Vac 2,000 VA
AT3 2-44/46-4 3 x 440/460 Vac 3 x 400 Vac 2,000 VA
AT3 2-48/50-4 3 x 480/500 Vac 3 x 400 Vac 2,000 VA
AT3 2-58/60-4 3 x 575/600 Vac 3 x 400 Vac 2,000 VA
AT3 2-69-4 3 x 600/690 Vac 3 x 400 Vac 2,000 VA
AT3 2-69-23 3 x 690 Vac 3 x 400 Vac 2,000 VA
AT3 3,5-20/21-4 3 x 200/208 Vac 3 x 400 Vac 3,500 VA
AT3 3,5-22/23-4 3 x 220/230 Vac 3 x 400 Vac 3,500 VA
AT3 3,5-24/35-4 3 x 240/346 Vac 3 x 400 Vac 3,500 VA
AT3 3,5-38/42-4 3 x 380/415 Vac 3 x 400 Vac 3,500 VA
AT3 3,5-44/46-4 3 x 440/460 Vac 3 x 400 Vac 3,500 VA
AT3 3,5-48/50-4 3 x 480/500 Vac 3 x 400 Vac 3,500 VA
AT3 3,5-58/60-4 3 x 575/600 Vac 3 x 400 Vac 3,500 VA
AT3 3,5-69-4 3 x 600/690 Vac 3 x 400 Vac 3,500 VA
AT3 10-20/21-4 3 x 200/208 Vac 3 x 400 Vac 10,000 VA
AT3 10-22/23-4 3 x 220/230 Vac 3 x 400 Vac 10,000 VA
AT3 10-24/35-4 3 x 240/346 Vac 3 x 400 Vac 10,000 VA
AT3 10-38/42-4 3 x 380/415 Vac 3 x 400 Vac 10,000 VA
AT3 10-44/46-4 3 x 440/460 Vac 3 x 400 Vac 10,000 VA
AT3 10-48/50-4 3 x 480/500 Vac 3 x 400 Vac 10,000 VA
AT3 10-58/60-4 3 x 575/600 Vac 3 x 400 Vac 10,000 VA
AT3 10-69-4 3 x 600/690 Vac 3 x 400 Vac 10,000 VA
AT3 15-20/21-4 3 x 200/208 Vac 3 x 400 Vac 15,000 VA
AT3 15-22/23-4 3 x 220/230 Vac 3 x 400 Vac 15,000 VA
AT3 15-24/35-4 3 x 240/346 Vac 3 x 400 Vac 15,000 VA
AT3 15-38/42-4 3 x 380/415 Vac 3 x 400 Vac 15,000 VA
AT3 15-44/46-4 3 x 440/460 Vac 3 x 400 Vac 15,000 VA
AT3 15-48/50-4 3 x 480/500 Vac 3 x 400 Vac 15,000 VA
AT3 15-58/60-4 3 x 575/600 Vac 3 x 400 Vac 15,000 VA
AT3 15-69-4 3 x 600/690 Vac 3 x 400 Vac 15,000 VA
AT3 25-20/21-4 3 x 200/208 Vac 3 x 400 Vac 25,000 VA
AT3 25-22/23-4 3 x 220/230 Vac 3 x 400 Vac 25,000 VA
AT3 25-24/35-4 3 x 240/346 Vac 3 x 400 Vac 25,000 VA
AT3 25-38/42-4 3 x 380/415 Vac 3 x 400 Vac 25,000 VA
AT3 25-44/46-4 3 x 440/460 Vac 3 x 400 Vac 25,000 VA
AT3 25-48/50-4 3 x 480/500 Vac 3 x 400 Vac 25,000 VA
AT3 25-58/60-4 3 x 575/600 Vac 3 x 400 Vac 25,000 VA
AT3 25-69-4 3 x 600/690 Vac 3 x 400 Vac 25,000 VA
AT3 45-20/21-4 3 x 200/208 Vac 3 x 400 Vac 45,000 VA
AT3 45-22/23-4 3 x 220/230 Vac 3 x 400 Vac 45,000 VA
AT3 45-24/35-4 3 x 240/346 Vac 3 x 400 Vac 45,000 VA
AT3 45-38/42-4 3 x 380/415 Vac 3 x 400 Vac 45,000 VA
AT3 45-44/46-4 3 x 440/460 Vac 3 x 400 Vac 45,000 VA
AT3 45-48/50-4 3 x 480/500 Vac 3 x 400 Vac 45,000 VA
AT3 45-58/60-4 3 x 575/600 Vac 3 x 400 Vac 45,000 VA
AT3 45-69-4 3 x 600/690 Vac 3 x 400 Vac 45,000 VA
AT3 70-20/21-4 3 x 200/208 Vac 3 x 400 Vac 70,000 VA
AT3 70-22/23-4 3 x 220/230 Vac 3 x 400 Vac 70,000 VA
AT3 70-24/35-4 3 x 240/346 Vac 3 x 400 Vac 70,000 VA
AT3 70-38/42-4 3 x 380/415 Vac 3 x 400 Vac 70,000 VA
AT3 70-44/46-4 3 x 440/460 Vac 3 x 400 Vac 70,000 VA
AT3 70-48/50-4 3 x 480/500 Vac 3 x 400 Vac 70,000 VA
AT3 70-58/60-4 3 x 575/600 Vac 3 x 400 Vac 70,000 VA
AT3 70-69-4 3 x 690 Vac 3 x 400 Vac 70,000 VA
AT3 110-20/21-4 3 x 200/208 Vac 3 x 400 Vac 110,000 VA
AT3 110-22/23-4 3 x 220/230 Vac 3 x 400 Vac 110,000 VA
AT3 110-24/35-4 3 x 240/346 Vac 3 x 400 Vac 110,000 VA
AT3 110-38/42-4 3 x 380/415 Vac 3 x 400 Vac 110,000 VA
AT3 110-44/46-4 3 x 440/460 Vac 3 x 400 Vac 110,000 VA
AT3 110-48/50-4 3 x 480/500 Vac 3 x 400 Vac 110,000 VA
AT3 110-58/60-4 3 x 575/600 Vac 3 x 400 Vac 110,000 VA
AT3 110-69-4 3 x 690 Vac 3 x 400 Vac 110,000 VA
AT3 160-20/21-4 3 x 200/208 Vac 3 x 400 Vac 160,000 VA
AT3 160-22/23-4 3 x 220/230 Vac 3 x 400 Vac 160,000 VA
AT3 160-24/35-4 3 x 240/346 Vac 3 x 400 Vac 160,000 VA
AT3 160-38/42-4 3 x 380/415 Vac 3 x 400 Vac 160,000 VA
AT3 160-44/46-4 3 x 440/460 Vac 3 x 400 Vac 160,000 VA
AT3 160-48/50-4 3 x 480/500 Vac 3 x 400 Vac 160,000 VA
AT3 160-58/60-4 3 x 575/600 Vac 3 x 400 Vac 160,000 VA
AT3 160-69-4 3 x 690 Vac 3 x 400 Vac 160,000 VA
AT3 250-20/21-4 3 x 200/208 Vac 3 x 400 Vac 250,000 VA
AT3 250-22/23-4 3 x 220/230 Vac 3 x 400 Vac 250,000 VA
AT3 250-24/35-4 3 x 240/346 Vac 3 x 400 Vac 250,000 VA
AT3 250-38/42-4 3 x 380/415 Vac 3 x 400 Vac 250,000 VA
AT3 250-44/46-4 3 x 440/460 Vac 3 x 400 Vac 250,000 VA
AT3 250-48/50-4 3 x 480/500 Vac 3 x 400 Vac 250,000 VA
AT3 250-58/60-4 3 x 575/600 Vac 3 x 400 Vac 250,000 VA
AT3 250-69-4 3 x 690 Vac 3 x 400 Vac 250,000 VA
Image of %s BLOCK Item: AT3 45-20/21-4

Technical data for AT3 45-20/21-4

Input
Rated input voltage 3 x 200/208 Vac
Rated frequency 50 - 60 Hz
Output
Rated output voltage 3 x 400 Vac
Rated Power 45,000 VA
Vector group YNaO
Efficiency 97.0 %
Approvals
Approvals cURus
Environment
Ambient temperature max. 40 °C
Safety and protection
Type Open type
Insulation class F
Protection index IP 00
Safety class (prepared) I
Short circuit strength non-short-circuit proof
Test voltage 4,000 Vac, 50 Hz
Terminal and mounting
Fixing method Mounting brackets
Fixing screws M12
Terminals Screw-type terminals
Terminals Input Screw clamp, 35 mm²
Terminals Output Screw clamp, 50 mm²
Terminals PE Screw-type terminal, 35 mm²
Measures and weights
Width 552 mm
Height 494 mm
Depth 272 mm
Core type 3 UI 240/140
Weight 197.0 kg

Info on AT3 series

General Data
  • Rated input voltage 3 x 200/208 - 3 x 690 Vac
  • Rated output voltage 3 x 400 Vac
  • Insulation class F
  • Maximum ambient temperature 40 °C
  • Efficiency up to 98 %
  • Degree of protection IP 00
  • Optionally adapted package for higher degrees of protection
  • Rated power 2,000 - 250,000 VA
Benefits
  • Enlarged mounting bracket for easy installation from above
  • Integrated crane eyes
  • Multi-functional mounting brackets with 12 slots
  • Fixed, contact protected screw connection terminals complying with UVV BGV A3
  • Very good corrosion protection and low noise thanks to BLOCK IMPEX vacuum impregnation
  • Patented assembly technology to lower heat losses
  • Very high efficiency
  • Reverse mode possible

Our recommendations for you

BLOCK product: BGE-080
BGE-080
Metal enclosures
Variable foot angle for easy installation, Degree of protection IP 23, For floor mounting, For power 3,000 – 420,000 VA
to accessory part
BLOCK product: AT3 45-22/23-4
AT3 45-22/23-4
Autotransformer
Fixing rail, PRI 3 x 200/208 Vac – 3 x 690 Vac, SEC 3 x 400 Vac, 2,000 – 250,000 VA
to accessory part
BLOCK product: TT3-A050-4040-0
TT3-A050-4040-0
Isolating transformer
Fixing rail, PRI 3 x 400 Vac, SEC 3 x 400 Vac, 10 kVA – 1 MVA
to accessory part