MCCB circuit breaker WLM6E-630A-3300 3P/4P WLM6E SeriesMCCB electronic circuit breaker 400V/690V 630A 3 poles/4 poles lsig breaker
MCCB Highlights
One of the key advantages of the WLM6E Electronic Type MCCB is its LSIG protection capability. LSIG protection refers to the combination of Long-Time, Short-Time, Instantaneous, and Ground Fault protection functions within a single device. This comprehensive protection scheme allows the MCCB to respond to a wide range of fault conditions, ensuring that the electrical system is effectively safeguarded against different types of faults.
The Long-Time protection function of the WLM6E MCCB is designed to handle overcurrent conditions that persist for an extended period. This feature is crucial for protecting electrical systems from sustained overloads, which can lead to overheating and damage to the conductors and equipment. By accurately detecting and responding to long-term overcurrents, the WLM6E MCCB helps prevent potential hazards and ensures the continuous and safe operation of the electrical system.
Main performance index of WLM6E series circuit breaker
| WLM6E Moulded Case Circuit Breaker | 630 | |||||||||||||
| Rated operating current In (A),40℃ | 6 adjutable knobs | 400-440-460-480-500-530-560-600-630 | ||||||||||||
| 3 adjutable knobs | 400-440-460-480-500-530-560-600-630 | |||||||||||||
| 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 | C | S | M | H | Q | |||||||||
| Number of poles | 1P | – | – | – | – | – | ||||||||
| 2P | – | – | – | – | – | |||||||||
| 3P | – | – | ■ | ■ | ■ | |||||||||
| 4P | – | – | ■ | ■ | ■ | |||||||||
| Number of poles | AC220/230/240V | – | – | – | – | – | ||||||||
| AC380/400/415V | – | – | 70 | 100 | 150 | |||||||||
| AC440V | – | – | – | – | – | |||||||||
| AC500V | – | – | – | – | 65 | |||||||||
| AC660/690V | – | – | 8 | 8 | 20 | |||||||||
| Number of poles | AC220/230/240V | – | – | – | – | – | ||||||||
| AC380/400/415V | – | – | 50 | 70 | 150 | |||||||||
| AC440V | – | – | – | – | – | |||||||||
| AC500V | – | – | – | – | 65 | |||||||||
| AC660/690V | – | – | 8 | 8 | 20 | |||||||||
| Rated short-time withstand current Icw (kA,1s) | 10 | |||||||||||||
| Standard | ||||||||||||||
| Utilization category | B | |||||||||||||
| Ambient temperature | ||||||||||||||
| Safety of insulation | ■ | |||||||||||||
| Arcing distance | 0 | |||||||||||||
|
Mechanical life (CO recycle) |
Maintenance | 15000 | ||||||||||||
|
Electrical life (CO recycle) |
AC415V,In | 8000 | ||||||||||||
| AC690V,In | 1500 | |||||||||||||
| Release units | ||||||||||||||
| Distribution protection | E | ■ | ||||||||||||
| Motor protection | E | ■ | ||||||||||||
| 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 (3P/4P) | 140/184 | ||||||||||||
| Height | 257 | |||||||||||||
| Depth | 103/111 | |||||||||||||
| Weight | ||||||||||||||
| Distribution protection | 1P | – | ||||||||||||
| 2P | – | |||||||||||||
| 3P | 5.391 | |||||||||||||
| 4P | 7.266 | |||||||||||||