General

It is suitable for circuits 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 changeover as well as motor 's infrequent startup (I≤630A and below)
It has protective functions against overload, short circuit or under voltage, protects the circuits and power equipment from being damaged

Technical parameters

Model: HKKM1-63
Frame size rated current Inm(A): 63
Rated current In(A): 50
Class of rated ultimate short-circuit breaking capacity: L, M
Pole number (P): 3, 3, 4
Rated ultimate short-circuit breaking capacity Icu (KA) AC 400V, 25, 50
Rated service short-circuit breaking capacity Ics (KA): AC 400V, 18, 35
Rated operating voltage Ue (V): AC 400V
Rated insulation voltage Ui: 500V, 800V
Rated impulse withstand voltage Uimp (V): 400, 800
Flashover distance (mm): ≤50
Applicability: isolation

How to order ?

1,Please send us the product detail technical parameter, then we will give you exact quotation

2, We can offer sample for your anytime


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