WLM7DC-800A-2300 2Poles 3Poles WLM7DC Series 1500vdc Photovoltaic solar type Molded Case Circuit Breakers 250vdc/500vdc/750VDC/1000VDC/1500VDC 800A Photovoltaic DC circuit break
MCCB Highlights
1. With overload and short circuit protection functions
2. It can protect lines and power equipment from damage
3. It has the characteristics of small size, high breaking capacity, short flying tiger, good anti vibration, etc，DC MCCBs are designed to offer high breaking capacity, allowing them to interrupt fault currents and protect the electrical system from damage. The ability to handle high fault currents is crucial in DC applications, where the consequences of a fault can be more severe compared to AC systems. By incorporating MCCBs with high breaking capacity, the overall reliability and safety of the DC system are significantly enhanced.
The high breaking capacity of MCCBs also ensures that they can effectively protect sensitive equipment and components within the DC circuit. This is particularly important in applications where the interruption of power supply due to a fault can lead to costly downtime and potential damage to critical assets.
Main performance index of WLM7DC series circuit breaker
| WLM7DC Moulded Case Circuit Breaker | 800 | ||||||||||||
| Rated operating current In (A),40℃ | 630-700-800 | ||||||||||||
| Rated insulation voltage Ui (V) | 1500 | ||||||||||||
| Rated impulse withstand voltage (kV) | 12 | ||||||||||||
| Rated operational voltage Ue(V),AC 50/60Hz | 750/1000/1200/1500 | ||||||||||||
| Breaking capacity code | – | M | H | ||||||||||
| Number of poles | 2P | – | ■ | ■ | |||||||||
| 3P | – | ■ | ■ | ||||||||||
| DC250V | – | 25 | 50 | ||||||||||
| DC500V | – | 25 | 50 | ||||||||||
|
Rated ultimate short-circuit breaking capacity Icu(kA) |
DC750V | – | 15 | 25 | |||||||||
| DC1000V | – | 15(3P30) | 25(3P40) | ||||||||||
| DC1250V | – | – | – | ||||||||||
| DC1500V | – | 10(3P25) | 20(3P30) | ||||||||||
|
Rated service breaking capacity Ics(kA) |
DC250V | – | 25 | 50 | |||||||||
| DC500V | – | 25 | 50 | ||||||||||
| DC750V | – | 15 | 25 | ||||||||||
| DC1000V | – | 15 | 25 | ||||||||||
| DC1250V | – | – | – | ||||||||||
| DC1500V | – | 10 | 25(3P30) | ||||||||||
| Standard | |||||||||||||
| Utilization category | A | ||||||||||||
| Ambient temperature | |||||||||||||
| Safety of insulation | ■ | ||||||||||||
| Arcing distance | 0 | ||||||||||||
|
Mechanical life (CO recycle) |
Maintenance free | 15000 | |||||||||||
|
Electrical life (CO recycle) |
Maintenance free | 2000(DC1500V is :1000times) | |||||||||||
| Release units | |||||||||||||
| Distribution 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 | 130/182 | |||||||||||
| Height | 270 | ||||||||||||
| Depth | 154.5 | ||||||||||||
| Weight | |||||||||||||
| Weight(kg)/Fixed | 2P | 6.2 | |||||||||||
| 3P | 8.5 | ||||||||||||
| 4P | – | ||||||||||||
Overall and installation dimensions of circuit breaker
