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What are the available field installable UVR modules for PA/PH/PC circuit breakers?

Issue:  
Is there a field installable undervoltage trip for PA1600 circuit breaker?

Product line:  
Molded case circuit breakers

Environment:  
Legacy PA, PAF, PH, PHF, PC, PCF circuit breakers

Resolution:  
If the breaker is series 4 or higher, it will have accessory ports on the side, and a field-installable UVR may be added.  Only the PA11121 and PA11124 (120 Vac and 240 Vac respectively) undervoltage releases are available field installable.  
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