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What are the catalog numbers for neutral current transformers for MP and MC Masterpact circuit breakers with STR trip units?

Issue:
What are the catalog numbers for neutral current transformers for MP and MC Masterpact circuit breakers with STR trip units?

Product Line:
Masterpact MP MC

Environment:
United States

Resolution:
Most of the neutral CT's are obsolete and no longer available.  The ones available as of March 2015 are:
Rating     Catalog #
800 A       54422      
1250 A     54426      
2000 A     54427      

Obsolete catalog numbers: (not available):
200     685511     
 250     685512     
 320     685513     
 400     685514     
 500     685515     
 600     685516     
 630     685517     
 800     685518      
1000     685519      
1200     685522      
1250     685523      
1600     685524      
2000     685525      
2500     685526      
3000     685527      
3200     685528      
4000     685521      
5000     685673      
6300     685674      
 
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