The Block AT3 2-20/21-4 is a three-phase autotransformer with a capacity of 2000VA and a core rating of 1000VA. Rated for indoor use with protection class IP00, it operates at 50-60Hz in ambient temperatures up to 40°C and meets UL Class 155 insulation standards. Input: 3x200V/6.0Aac or 3x208V/5.8Aac. Output: 3x400V/2.9Aac with a 3.15A fuse.
Technical specifications
Brand | Block |
Model | AT3 2-20/21-4 |
Condition | Used |
Power | 2000VA |
Input voltage | 3x 200V / 3x 208V |
Input current | 6,0A / 5,8A |
Output voltage | 3x 400V |
Output current | 2,9A |
Fuse | 3,15A |
Protection class | IP00 |
Max. ambient temperature | 40°C |