Air circuit breaker WEW1-1600 breaker withdrawable type acb fixed type 400VAC/690VAC 1600 amp 3/4p acb
Key Features of 400V Air Circuit Breakers
400V air circuit breakers are characterized by a range of features that make them well-suited for a diverse array of applications. Some of the key features include:
1. Current Rating: 400V air circuit breakers are available in a wide range of current ratings, typically ranging from 1000A to 7500A. This broad spectrum of current-carrying capacities allows these circuit breakers to cater to the varying needs of different electrical systems, from small-scale installations to large industrial setups.
2. Voltage Rating: As the name suggests, 400V air circuit breakers are designed to operate at a voltage of 400V, making them ideal for low voltage applications commonly found in industrial and commercial settings.
3. Trip Unit: These circuit breakers are equipped with advanced trip units that provide precise and reliable protection against overloads and short circuits. The trip unit is responsible for detecting abnormal electrical conditions and initiating the tripping mechanism to interrupt the current flow when necessary.
4. Breaking Capacity: 400V air circuit breakers are engineered to have high breaking capacities, allowing them to safely interrupt fault currents and protect the electrical system from damage. This feature is crucial in ensuring the overall reliability and safety of the circuit breaker.
5. Modular Design: Many 400V air circuit breakers feature a modular design, which allows for easy installation, maintenance, and expansion of the electrical system. The modular construction also facilitates quick and efficient replacement of components, minimizing downtime and enhancing the overall reliability of the circuit breaker.
Main performance index of WEW1 series circuit breaker
| WEW1 Moulded Case Circuit Breaker | 1600 | ||||||||||||
| Rated operating current In (A),40℃ | 200-400-630-800-1000-1250-1600 | ||||||||||||
| 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 | 55 | 65 | ||||||||||
| AC690V | 25 | 50 | |||||||||||
|
Rated service breaking capacity Ics (kA) |
AC220/230/240V | 42 | 55 | ||||||||||
| AC380/400/415V | 20 | 42 | |||||||||||
|
Rated short-time withstand current Icw (kA/1s) |
AC220/230/240V | 42 | 55 | ||||||||||
| AC380/400/415V | 20 | 42 | |||||||||||
|
Mechanical life (CO recycle) |
보수 | 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) | 36.5/46 | 46.5/46 | ||||||||||
| Height | 43/55 | 51/55 | |||||||||||
| Depth | 32.5/42 | 37/42 | |||||||||||
| Weight | |||||||||||||
| Weight(kg)/Fixed | 1P | ||||||||||||
| 2P | |||||||||||||
| Weight(kg)/Drawer | 3P | ||||||||||||
| 4P | |||||||||||||
Main performance index of WEW1 series circuit breaker
Door frame size and installation hole spacing
