HKKM1 moulded case circuit breaker series MCCB

General

HKKM1 moulded vase circuit breaker series is suitable for circuitries of AC 50/60Hz, rated insulation voltage up to 800V(HKKM1-63 is 500V), rated working voltage of 400/690V (HKKM1-63 is 400V) and rated working current up to 1250A, used for infrequent change over as well as motor's infrequent startup (I≤630A and below ) .

Technical parameters:

Model: HKKM1-63

Frame size rated current Inm(A): 63

Rated current In (A) : 63

Class of rated ultimate short-circuit breaking capacity: L , M

Pole number (P): 3 , 3 / 4

Rated ultimate short-circuit breaking capacity Icu (KA) AC400V: 25, 50

Rated service short-circuit breaking capacity Ics (KA) AC400V: 18, 35

Rated operating voltage Ue(V): AC 400

Rated insulation voltage Ui(V): 500, 800

Rated impulse withstand voltage Uimp (V): 400, 800

Flashover distance (mm): ≤ 50

Applicability: Isolation


How to order ?

1, You can send us the product detail parameters, we will give you exact quotation .

2, We can offer samples for your.

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