Product Overview
NDW3-1600 series
Number of poles | 3, 4 | |
Rated current In 40℃ | 200A, 400A, 630A, 800A, 1000A, 1250A, 1600A | |
North pole rated current | 100%In | |
Rated operational voltage Ue | AC220V/230V/240V, AC380V/400V/415V, AC440V/480V, AC660V/690V | |
Rated limit short-circuit breaking capacity Icu (AC415V) | 66kA | |
Rated operating short-circuit breaking capacity Ics (AC415V) | 55kA | |
Rated short-time withstand current Icw (AC415V) 1s | 50kA | |
Controller | KM controller | ● |
KY controller | ● | |
Installation type | Fixed type | ● |
Drawout type | ● | |
Special application | Wind power, plateau type circuit breaker | ● |
Thermal-humidity type circuit breaker | ● |
NDW3-2500 series
Number of poles | 3, 4 | |
Rated current In 40℃ | 630A, 800A, 1000A, 1250A, 1600A, 2000A, 2500A | |
North pole rated current | 100%In | |
Rated operational voltage Ue | AC220V/230V/240V, AC380V/400V/415V, AC440V/480V, AC660V/690V,AC800V/1000V/1140V | |
Rated limit short-circuit breaking capacity Icu (AC415V) | S: 66kA H: 85kA | |
Rated operating short-circuit breaking capacity Ics (AC415V) | 100% Icu | |
Rated short-time withstand current Icw (AC415V) 1s | 100% Icu | |
Controller | KM controller | ● |
KY controller | ● | |
Installation type | Fixed type | ● |
Drawout type | ● | |
Special application | Wind power, plateau type circuit breaker | ● |
Thermal-humidity type circuit breaker | ● |
NDW3-4000 series
Rated current InA | 800, 1000, 1250, 1600, 2000, 2500, 2900, 3200, 4000 | ||
Rated current of Pole N | 100%In | ||
Rated working voltage Ue | AC220V/230V, AC380V/400V, AC415V, AC660V/690V, AC1000V | ||
Rated insulating voltage Ui | 1000V | ||
Rated impact withstanding voltage Uipm | 12kV | ||
Number of poles | 3, 4 | ||
Fully broken time (≤690V) | ≤30ms | ||
Closing time | ≤70ms | ||
Short circuit breaking capacity class | S | H | |
Rated ultimate short circuit breaking capacity Icu (effective value) | AC400V | 85kA | 100kA |
AC690V | 75kA | 85kA | |
AC1000V | 50kA | -- | |
Rated operative short circuit breaking capacity Ics (effective value) | AC400V | 85kA | 100kA |
AC690V | 75kA | 85kA | |
AC1000V | 50kA | -- | |
Rated short circuit connecting capacity Icm (peak value) | AC400V | 187kA | 220kA |
AC690V | 165kA | 187kA | |
AC1000V | 110kA | -- | |
Rated short time withstanding current Icw (effective value) 1s | AC400V | 85kA | 100kA |
AC690V | 75kA | 85kA | |
AC1000V | 50kA | -- | |
Operating performance (Times)Electrical service life | AC400V | 8000 | 5000 |
AC690V | 6000 | 3000 | |
AC1000V | 1000 | 500 | |
Mechanical service life (Times) | Not maintained | 10000 | |
Maintained | 15000 | ||
Installation type | Fixed | ● | |
Drawer | ● | ||
Main circuit wiring type | Fixed | Horizontal, vertical, prolonged horizontal, prolonged vertical | |
Drawer | Horizontal, vertical, prolonged horizontal, prolonged vertical | ||
External dimensions: W×D×H (mm) | Fixed 3P | 428×300×392 | |
Fixed 4P | 543×300×392 | ||
Drawer 3P | 435×432×401 | ||
Drawer 4P | 550×432×401 |