Model | NDW2F-2000, NDW2F-3200, NDW2F-4000 |
Rated current In (A) | 400, 630, 800, 1000, 1250, 1600, 2000, 2500, 2900, 3200, 4000 |
N-pole rated current | 100%In |
Rated operating voltage Ue | AC220V/230V/240V, AC380V/400V/AC415V, AC440V/AC480V, AC660V/690V, AC1000V |
Rated frequency | 50/60Hz |
Rated isolation voltage Ui | 1000V |
Rated impulse withstand voltage Uimp | 12kV |
Number of poles | 3, 4 |
Full breaking time | ≤30ms |
Closing time | ≤70ms |
Installation method | Fixed type or draw-out type |
NDW2F universal circuit breaker products meet the needs of various power generation systems, with a focus on the characteristics of wind power generation. They are suitable for various power generation systems operating at AC 50Hz/60Hz, with rated currents ranging from 400A to 4000A, and rated operating voltages of AC 220V/230V/240V, AC 380V/400V/415V, AC 440V/480V, AC 660V/690V. The NDW2F-4000 can also be used in power generation systems with a rated operating voltage of AC 1000V. They have good EMC characteristics and can withstand harsh operating environments such as high temperature, low temperature, humidity, salt spray, vibration, and high altitudes.








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