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Products - Circuit Breaker - AM3 Series Moulded Case Circuit Breaker
 
  AM3 Series Moulded Case Circuit Breaker

AM3-125L/3P
AM3-125L/3P
1. Application
AM3 series moulded case circuit breaker, it's applicable circuit of AC 50Hz(or 60Hz),rated insulation voltage 690V(AM3-125 500V),rated operating voltage AC 690V or below,rated oper-ating current 12.5-1600A, for distribute energy of electric and infrequent making and breaking circuit in normal condition. The circuit-breakers are provided with the function of the protection against overload and short circuit and under-voltage. The circuit breakers comply with standard of IEC60947-2.The circuit-breakers are double insulating (Inm=250A or above), the control circuit of the accessories is set apart with the main circuit, and doesn't need to open the cover of the circuit-breaker when install the accessories.

2. Specification
Table 1
Type Pole number Rated insulating voltage (V) Rated operating voltage (V) Ultimate short circuit breaking capacity Icu(KA) Rated short-circuit serrice breaking capocity Ics(%icu) Utilization category
AC380V (400) AC660V (690)
AM3-125L 1,2,3,4 500 500 25 - 50% A
AM3-160L 3,4 690 690
and
below
35 8 75%
AM3-160M 50 10 75%
AM3-250L 800 35 14 100%
AM3-250M 65 18 75%
AM3-250H 85 20 75%
AM3-400L 35 18 100%
AM3-400M 65 22 100%
AM3-400H 100 30 75%
AM3-630L 35 20 100%
AM3-630M 50 22 100%
AM3-630H 65 25 100%
AM3-800L 35 20 100%
AM3-800M 50 22 100%
AM3-800H 65 25 100%
AM31250/1600L 3 50 20 100%


3. Trip units main technical parameter (see table 2)
AM3-160L/3P
AM3-160L/3P
AM3-250L/3P
AM3-250L/3P
AM3-250/3P
AM3-250/3P


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