WLM7DC-400A-2300 2P/3P WLM7DC Series Photovoltaic solar type Molded Case Circuit Breakers 250vdc/500vdc/750VDC/1000VDC/1500VDC 400A Photovoltaic DC circuit breaker
Rated Current : 400A Number Of Poles : 2P/3P Rated Working Voltage : 800V
MCCB Highlights
WLM7DC series Moulded Case Circuit Breaker is designed to distribute power and protect the circuit and power equipment against overload in solar system.
Is a new type of product, developed and manufactured by Adopting international advanced technology
It is supplied with rated insulation voltage 1000V and used for circuit of 50Hz /60Hz, rated operation voltage DC 1000V or below rated operation current up to 800A for infrequent changing over and starting of the motors. Equipped with the protection devices for over-current, short circuit and under voltage, the product is capable of preventing damage of circuits and supply units. The product conforms to IEC60947-2 standard.
Main performance index of WLM7DC series circuit breaker
| WLM7DC Moulded Case Circuit Breaker | 400 | ||||||||||||
| Rated operating current In (A),40℃ | 250-315-350-400 | ||||||||||||
| Rated insulation voltage Ui (V) | 1500 | ||||||||||||
| Rated impulse withstand voltage (kV) | 12 | ||||||||||||
| Rated operational voltage Ue(V),AC 50/60Hz | 110/250/500/750/1000/1200/1500 | ||||||||||||
| 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) | 10(3P30) | ||||||||||
|
Rated service breaking capacity Ics(kA) |
DC250V | – | 25 | 50 | |||||||||
| DC500V | – | 25 | 50 | ||||||||||
| DC750V | – | 15 | 25 | ||||||||||
| DC1000V | – | 15(3P30) | 25(3P40) | ||||||||||
| DC1250V | – | – | – | ||||||||||
| DC1500V | – | 10(3P20) | 10(3P30) | ||||||||||
| Standard | IEC/EN 60947-2 | ||||||||||||
| Utilization category | A | ||||||||||||
| Ambient temperature | -40℃ ~+70 ℃ | ||||||||||||
| Safety of insulation | ■ | ||||||||||||
| Arcing distance | 0 | ||||||||||||
|
Mechanical life (CO recycle) |
Maintenance free | 20000 | |||||||||||
|
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 | 125.8 | ||||||||||||
| Weight | |||||||||||||
| Weight(kg)/Fixed | 2P | 2.5 | |||||||||||
| 3P | 3.2 | ||||||||||||
| 4P | – | ||||||||||||
Overall and installation dimensions of circuit breaker
