HKKM3DC moulded case circuit breaker series

• Applicable for DC distribution system, can be used in circuitries of rated insulation voltage up to 1000V, rated operating voltage of DC1000V and rated operating current up to 630A, especially suitable for DC solar PV power generation system
• It has protective functions against overload, short circuit or under voltage, protects the circuitries and power equipment from being damaged

Technical parameters :

* Model : HKKM3DC-630

* Frame size rated current Inm(A) : 630

* Rated current In(A) : 250,315,350,400,500,630

* Pole number (P) : 4

* Rated ultimate short-circuit breaking capacity Icu(KA): 40

* Rated service short-circuit breaking capacity Ics(KA) : 20

* Rated operating voltage Ue (V) : DC1000V

* Rated insulation voltage Ui(V) : 1000

* Rated impulse withstand voltage Uimp (V) : 8000

* Flashover distance (mm) : ≯100

* Applicability : Isolation

* Product size : W 240 x L 270 x H 110