3SM8D series photovoltaic DC circuit breakers are suitable for DC network circuit which rated voltage to DC 1500 V and rated current to 800 A,DC circuit breaker with overload long delay protection function, which used to distribute electricity and protect the line and power supply equipment from overload, short circuit and other hazards.
The operating mechanism of the DC circuit breaker has the functions of quick closing and quick broaking, and has the advantages of compact structure,small volume and convenient use.