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The largest QO 3 pole breaker I can buy with a class A ground fault is a 50 amp

What is the largest 3 phase breaker I can get with 5ma protection
 
Issue
I need a high amp 3 pole breaker with class A ground fault.
 
Product line:  
Molded case circuit breakers
 
Environment:  
QO Circuit Breakers
 
Resolution
The largest QO 3 pole breaker I can buy with a class A ground fault is a 50 amp

 
 
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