WLM7DC-315A-3300 2P/3P WLM7DC Series Photovoltaic solar type dc mccb 250vdc/500vdc/750VDC/1000VDC/1500VDC 315A 3 Poles
MCCB Highlights
WLM7DC series dc mccb is mainly used in large scale photovoltaic power distribution system, including pv junction box, photovoltaic inverter, live up to what our dc cabinet, etc. Rated voltage 1500 VDC, rated current is 800 A, can quickly disconnect fault current of dc power supply distribution system, solar photovoltaic power generation system reliable operation.
Advantage : Compact and Space-Saving Design
Another significant advantage of DC MCCBs is their compact and space-saving design. As the demand for efficient use of space in electrical installations continues to grow, the compact nature of MCCBs makes them an ideal choice for DC applications where space is limited. The smaller footprint of MCCBs allows for more efficient use of panel space, making them suitable for various DC installations, including control panels, switchgear, and distribution boards.
Furthermore, the compact design of MCCBs also contributes to easier installation and maintenance, as they can be integrated into existing systems without requiring extensive modifications. This not only saves time during installation but also reduces the overall footprint of the electrical infrastructure, making it more streamlined and organized.
Main performance index of WLM7DC series circuit breaker
| WLM7DC Moulded Case Circuit Breaker | 315 | ||||||||||||
| Rated operating current In (A),40℃ | 280-300-315 | ||||||||||||
| Rated insulation voltage Ui (V) | 1500 | ||||||||||||
| Rated impulse withstand voltage (kV) | 12 | ||||||||||||
| Rated operational voltage Ue(V),AC 50/60Hz | 250/500/750/1000/1250/1500 | ||||||||||||
| Breaking capacity code | – | M | H | ||||||||||
| Number of poles | 2P | – | ■ | ■ | |||||||||
| 3P | – | ■ | ■ | ||||||||||
| DC250V | – | – | 50 | ||||||||||
| DC500V | – | – | 50 | ||||||||||
|
Rated ultimate short-circuit breaking capacity Icu(kA) |
DC750V | – | – | 25 | |||||||||
| DC1000V | – | 15 | 25 | ||||||||||
| DC1250V | – | – | – | ||||||||||
| DC1500V | – | 5(3P20) | 7.5(3P25) | ||||||||||
|
Rated service breaking capacity Ics(kA) |
DC250V | – | – | 50 | |||||||||
| DC500V | – | – | 50 | ||||||||||
| DC750V | – | – | 25 | ||||||||||
| DC1000V | – | 15 | 25 | ||||||||||
| DC1250V | – | – | – | ||||||||||
| DC1500V | – | 5(3P20) | 7.5(3P25) | ||||||||||
| Standard | |||||||||||||
| Utilization category | A | ||||||||||||
| Ambient temperature | |||||||||||||
| Safety of insulation | ■ | ||||||||||||
| Arcing distance | 0 | ||||||||||||
|
Mechanical life (CO recycle) |
Maintenance free | 20000 | |||||||||||
|
Electrical life (CO recycle) |
Maintenance free | 1500 | |||||||||||
| 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 | 78/107 | |||||||||||
| Height | 200 | ||||||||||||
| Depth | 109 | ||||||||||||
| Weight | |||||||||||||
| Weight(kg)/Fixed | 2P | 2.35 | |||||||||||
| 3P | 3 | ||||||||||||
| 4P | – | ||||||||||||
Overall and installation dimensions of circuit breaker
