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Home  >> Products >> Low Voltage >> Moulded Case Circuit Breaker >> SM7 Series Moulded Case Circuit Breaker
     
   
 
1. Application
 
SM7 series MCCB is applicable circuit of AC 50Hz, rated insulation voltage 660V, ratedoperating current 15-225A, for distribute energy of electricity and infrequent making & breakingcircuit in normal conditions. The products conforms to IEC60947-2 standard.
 
 
2.Specification
 
Type SM7-100 SM7-225
Poles number
 3 3
Rated current In(A)
 15~100 100~225
Rated operating voltage Ue(V)
 AC 600V DC 250V AC 660V
Rated insulation voltage Ui~(V)
 AC 690V AC 690V
Utilisation category
 A A
Rated ultimate short-circuit breaking capacityIcu(KA)
 AC 500V 2 5
AC 440V 5 7.5
AC 415V 5 7.5
AC 380V 5 7.5
AC 240V 7.5 15
Rated short-circuit servicebreaking capacityIcs(KA)
 AC 500V 1 2.5
AC 440V 2.5 3.8
AC 415V 2.5 3.8
AC 380V 2.5 3.8
AC 240V 3.8 7.5
 
 
3.Outline and Installation Dimension
 
SM7-100
 
 
SM7-225
 
 

 

 
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