MCCB

It is suitable for circuitries of AC 50/60HZ, rated insulation voltage up to 800V, rated working current up to 630A, used for infrequent changeover as well as motor's infrequent startup (I≤630A ).

Technical parameters:

* Model : HKKM3-400
* Frame size rated current Inm(A) : 400
* Rated current In(A) : 400
* Class of rated ultimate short-circuit breaking capacity :L, M , H
* Pole number (P) : 3,3,4,3
* Rated ultimate short-circuit breaking capacity Icu(KA) : AC400 50,70,100
* Rated service short-circuit breaking capacity Ics (KA) : 50,70,75
* Rated operating voltage Ue (V) : AC400 /AC690
* Rated insulation voltage Ui(V) : 800
* Rated impulse withstand voltage Uimp (V) : 8000
* Flashover distance (mm) :≯100
* Applicability : Isolation

Welcome to visit our factory!