MCCB 회로 차단기 WLM6-1250A-3300 3P/4P WLM6 시리즈 열 자성 타입 차단기 400V/690V 1250A 3/4극
MCCB Highlights
Thermomagnetic circuit breaker
A thermomagnetic circuit breaker is an electrical protection device that combines both thermal and magnetic mechanisms to provide reliable overcurrent protection in electrical circuits. One of the key features of thermomagnetic circuit breakers is the use of high-quality materials and advanced design to ensure effective and safe operation.
The internal components of thermomagnetic circuit breakers are constructed using high-grade materials such as copper, silver, and high-quality alloys, which enable them to withstand the heat and mechanical stresses generated during overcurrent conditions. This ensures the durability and reliability of the circuit breakers in various applications, from residential to industrial settings.
In terms of safety, thermomagnetic circuit breakers are designed with advanced features such as thermal trip elements and magnetic trip mechanisms. The thermal trip elements respond to sustained overcurrent conditions, while the magnetic trip mechanisms provide instantaneous protection against short-circuit faults. This dual protection mechanism ensures that the circuit breakers can effectively and safely interrupt the flow of current when necessary, preventing damage to electrical equipment and minimizing the risk of fire hazards.
Furthermore, thermomagnetic circuit breakers are designed to comply with international safety standards and regulations, providing users with the assurance that their electrical systems are protected by reliable and certified protection devices.
In conclusion, thermomagnetic circuit breakers are distinguished by their use of high-quality materials, advanced safety features, and compliance with industry standards, making them a trusted choice for ensuring electrical safety and protection in a wide range of applications.
Main performance index of WLM6 series circuit breaker
| WLM6 Moulded Case Circuit Breaker | 1250 | |||||||||||
| Rated operating current In (A),40℃ | Magnetic Type | 630-700-800-1000-1250 | ||||||||||
| Thermal-magnetic type | 630-700-800-1000-1250 | |||||||||||
| Adjustable type | 630-700-800-1000-1250 | |||||||||||
| Electric characteristics | ||||||||||||
| Rated insulation voltage Ui (V) | 1000 | |||||||||||
| Rated impulse withstand voltage (kV) | 8 | |||||||||||
| Rated operational voltage Ue(V),AC 50/60Hz | 380/400/415,440,500,660/690 | |||||||||||
| Breaking capacity code | S | M | H | |||||||||
| Number of poles | 1P(Adjutable has no this type) | – | – | – | ||||||||
| 2P | – | – | – | |||||||||
| 3P | ■ | ■ | ■ | |||||||||
| 4P | ■ | ■ | ■ | |||||||||
| Number of poles | AC220/230/240V | 60 | 80 | 85 | ||||||||
| AC380/400/415V | 50 | 70 | 100 | |||||||||
| AC440V | – | – | – | |||||||||
| AC500V | – | – | – | |||||||||
| AC660/690V | 20 | 25 | 35 | |||||||||
| Number of poles | AC220/230/240V | 40 | 65 | 70 | ||||||||
| AC380/400/415V | 35 | 50 | 70 | |||||||||
| AC440V | – | – | – | |||||||||
| AC500V | – | – | – | |||||||||
| AC660/690V | 10 | 15 | 20 | |||||||||
| Standard | ||||||||||||
| Utilization category | A(Thermal-magnetic)/B(Electronic) | |||||||||||
| Ambient temperature | ||||||||||||
| Safety of insulation | ■ | |||||||||||
| Arcing distance | 0 | |||||||||||
|
Mechanical life (CO recycle) |
보수 | 8000 | ||||||||||
|
Electrical life (CO recycle) |
AC415V,In | 1000 | ||||||||||
| AC690V,In | 800 | |||||||||||
| Release units | ||||||||||||
| Distribution protection | TM | ■ | ||||||||||
| Motor protection | TM | ■ | ||||||||||
| Mounting and connection | ||||||||||||
| Fixed | Front connection | – | ||||||||||
| Rear connection | ■ | |||||||||||
| Plug-in | Front connection | – | ||||||||||
| Rear connection | – | |||||||||||
| Draw-out | Front connection | ■ | ||||||||||
| Rear connection | ■ | |||||||||||
| DIN rail | Front connection | – | ||||||||||
| Dimension | ||||||||||||
|
Dimension (mm) W×H×D |
Width (1P/2P/3P/4P) | 210/280 | ||||||||||
| Height | 275.5 | |||||||||||
| Depth | 103 | |||||||||||
| Weight | ||||||||||||
| Distribution protection | 1P | – | ||||||||||
| 2P | – | |||||||||||
| 3P | 8.9 | |||||||||||
| 4P | 11.931 | |||||||||||
Overall and installation dimensions of circuit breaker
