Air circuit breaker WEW3-7500 acb withdrawable type acb fixed type 1000VAC/1500VAC 4000A 3p acb 4p acb
the function and advantage of solar air circuit breaker
Solar circuit breakers also have multiple protection functions such as overload protection, short circuit protection, and grounding protection. These features are integral to protecting all components of a solar power system, ensuring that each component is effectively protected from potential electrical faults. By integrating these protective features, Solar ACB helps improve the overall reliability and safety of solar infrastructure.
The reliability of solar ACB is an important factor in its effectiveness in solar power generation systems. Using advanced circuit breaker technology and materials, these ACBs feature long service life and high reliability, contributing to the overall stability and longevity of the solar power generation system. This reliability is critical to minimizing downtime and maintenance requirements, ultimately increasing the operating efficiency of solar power installations.
The suitability of solar ACBs for outdoor environments further emphasizes their importance in solar power generation systems. These ACBs are waterproof, dustproof, corrosion-resistant and designed to withstand the rigors of outdoor installations and solar installations. This ensures that electrical equipment is protected and operates properly even in challenging environmental conditions.
The solar air circuit breaker is an indispensable component in the solar power generation system, providing necessary protection and control for the power infrastructure. Solar circuit breakers have the characteristics of high voltage level, high breaking capacity, multiple protection functions and high reliability, and are suitable for outdoor environments. They play a vital role in ensuring the safe and efficient operation of solar power systems. By incorporating these advanced circuit breakers, solar installations can effectively protect their electrical equipment and personnel, thereby contributing to the overall success and sustainability of solar power generation.
Main performance index of WEW1 series circuit breaker
| WEW3 Air Circuit Breaker | 7500 | ||||||||||||
| Rated operating current In (A),40℃ | 4000-5000-6300-7500 | ||||||||||||
| 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 | 120 | 138 | ||||||||||
| AC690V | 85 | 105 | |||||||||||
| AC800V/1140V | – | – | |||||||||||
|
Rated service breaking capacity Ics (kA) |
AC380V/400V/415V | 100 | 138 | ||||||||||
| AC690V | 85 | 105 | |||||||||||
| AC800V/1140V | – | – | |||||||||||
|
Rated short-time withstand current Icw (kA/1s) |
AC380V/400V/415V | 100 | 138 | ||||||||||
| AC690V | 85 | 105 | |||||||||||
| AC800V/1140V | – | – | |||||||||||
|
Mechanical life (CO recycle) |
Maintenance | 16000 | |||||||||||
|
Electrical life (CO recycle) |
AC415V,In | 6000 | |||||||||||
| AC690V,In | 2000 | ||||||||||||
| 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 | □ | □ | |||||||||||
| 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) | 105/105 | 105/105 | ||||||||||
| Height | 62/62 | 62/62 | |||||||||||
| Depth | 61/61 | 61/61 | |||||||||||
| Weight | |||||||||||||
| Weight(kg)/Fixed | 3P | 110/120/130 | |||||||||||
| 4P | 140.3/151.2/162.3 | ||||||||||||
| Weight(kg)/Drawer | 3P | 175/200/220 | |||||||||||
| 4P | 175/200/220 | ||||||||||||