Air circuit breaker WEW1-2000 ACB breaker withdrawable type acb fixed type 400VAC/690VAC 2000A 3/4p acb
Applications of 400V Air Circuit Breakers
The versatility and robustness of 400V air circuit breakers make them suitable for a wide range of applications across various industries. Some of the common applications include:
1. Industrial Installations: In industrial settings, 400V air circuit breakers are used to protect critical machinery, motors, and other electrical equipment from overloads and short circuits. These circuit breakers are essential for maintaining the operational integrity of industrial processes and ensuring the safety of personnel.
2. Commercial Buildings: From office complexes to retail establishments, 400V air circuit breakers are employed to safeguard electrical distribution systems in commercial buildings. They play a vital role in protecting lighting, HVAC systems, and other electrical loads, contributing to the overall safety and reliability of the building’s electrical infrastructure.
Main performance index of WEW1 series circuit breaker
| WEW1 Moulded Case Circuit Breaker | 2000 | ||||||||||||
| Rated operating current In (A),40℃ | 400-630-800-1000-1250-1600-2000 | ||||||||||||
| Rated insulation voltage Ui (V) | 1000 | ||||||||||||
| Rated impulse withstand voltage (kV) | 12 | ||||||||||||
| Rated operational voltage Ue(V),AC 50/60Hz | 400V/690V | ||||||||||||
| Use category | B | ||||||||||||
| Rated operational voltage Ue(V),AC 50/60Hz | 100%In | ||||||||||||
| Breaking capacity code | M | H | |||||||||||
| Number of poles | 3P | ■ | ■ | ||||||||||
| 4P | ■ | ■ | |||||||||||
|
Rated ultimate short-circuit breaking capacity Icu (kA) |
AC380V/400V/415V | 80 | 100 | ||||||||||
| AC690V | 50 | 65 | |||||||||||
|
Rated service breaking capacity Ics (kA) |
AC220/230/240V | 65 | 65 | ||||||||||
| AC380/400/415V | 40 | 65 | |||||||||||
|
Rated short-time withstand current Icw (kA/1s) |
AC220/230/240V | 65 | 65 | ||||||||||
| AC380/400/415V | 40 | 65 | |||||||||||
|
Mechanical life (CO recycle) |
Maintenance | 20000 | |||||||||||
|
Electrical life (CO recycle) |
AC415V,In | 2000 | |||||||||||
| AC690V,In | 1000 | ||||||||||||
| Standard configuration | Fixed | Drawetry-pe | |||||||||||
| The body of the circuit breaker | ■ | ■ | |||||||||||
| Drawer base | ■ | ■ | |||||||||||
| Intelligent controller | ■ | ■ | |||||||||||
| Upper and lower horizontal connecting wires | ■ | ■ | |||||||||||
| Indicating contact of opening/closing | ■ | ■ | |||||||||||
| Indicating contact of fault tripping | ■ | ■ | |||||||||||
| Auxiliary contact 4NO+4NC | ■ | ■ | |||||||||||
| Electric motor operating mechanism | ■ | ■ | |||||||||||
| Shunt releas | ■ | ■ | |||||||||||
| Optional accessories | |||||||||||||
| Phase partition | Fixed | Drawetry-pe | |||||||||||
| Instantaneous undervoltage release | □ | □ | |||||||||||
| Time-delay undervoltage release | □ | □ | |||||||||||
| Opening and closing button lock | □ | □ | |||||||||||
| Lock for the drawer base | □ | □ | |||||||||||
| Lock for the separation position of the drawer seat | □ | □ | |||||||||||
| Key lock | □ | □ | |||||||||||
| Door interlock | □ | □ | |||||||||||
| Auxiliary contact 6NO+6NC | □ | □ | |||||||||||
| Electric indications of three positions on the drawer base | □ | □ | |||||||||||
| Steel cable interlock | □ | □ | |||||||||||
| Locking interlock | □ | □ | |||||||||||
| Dual power controller | □ | □ | |||||||||||
| External neutral line transformer | □ | □ | |||||||||||
| Zero-sequence transformer | □ | □ | |||||||||||
| Ground current transformer and its accessories | □ | □ | |||||||||||
| Dimension | |||||||||||||
|
Dimension (mm) W×H×D |
Width (3P/4P) | 46/61 | 51/61 | ||||||||||
| Height | 55/58 | 58/58 | |||||||||||
| Depth | 42/53 | 46/53 | |||||||||||
| Weight | |||||||||||||
| Weight(kg)/Fixed | 1P | 54/56.1/59.3 | |||||||||||
| 2P | 66.7/69.3/71.3 | ||||||||||||
| Weight(kg)/Drawer | 3P | 75.8/79.5/85.5 | |||||||||||
| 4P | 93.1/98.8/105.9 | ||||||||||||
Main performance index of WEW1 series circuit breaker
Door frame size and installation hole spacing
