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> STAMX Series moulded case circuit breaker
> Application
STAMX moulded case circuit breaker is suitable for circuit AC 50Hz/60Hz, rated voltage up to AC
660V, rated operating current up to 250A.It features normal structure, reliable performance, high breaking
capacity, used for power distribution and protecting the circuit and electrical equipment against over-
load and short circuit. It complies with standard of IEC60947-2.
> Specification
Type STAMX-160 STAMX-250
Poles number 3 3
STAMX-160 Rated current In(A) 16~160 100~250
Rated operating voltage Ue(V) (50/60Hz) 690 690
Rated insulation voltage Ui(V) 800 800
Rated impulse withstand voltage Uimp(KV) 8 8
Utilisation category A A
220/230V 25 50
Rated limited 380/415V 16 36
short-circuit 400V 10 25
breaking capacity 500V 8 20
Icu(KA) 690V 3 5
500V-3poles in series 16 36
Rated short-circuit service breaking capacity Ics 100 75
> Outline and Installation Dimension
STAMX-250
STAMX-400 STAMX-160
STAMX-630
STAMX-250
>E 143
