Issue:
Install a P Frame breaker with a Spring Charge Motor in an I-Line panelboard
Product Line:
Panelboards
Environment:
UL 67, UL 50, CSA C22.2 No.'s 29 & 94-1989, NEMA PB1, NFPA 70 Art. 408, Federal Specification W-P-115C Type 1 Class 1 , 2000 IBC, 1995 NBCC
Cause:
The Powerpact P circuit breaker with motor operator is considerably greater in depth than the standard, manually operated version.
Resolution:
Yes, in I-Line panels that will accept P Frame breakers (HCP, HCRU, for example), the motor operated version may be applied; however, for a NEMA 1 enclosure the spring charge motor mandates use of a 4 piece trim with NO door, since a door will not close over a motor operator. With NEMA 3R and NEMA 4/4X stainless steel enclosures the motor-operated Powerpact P circuit breaker may be applied, because these deeper enclosures have sufficient clearance to accommodate the circuit breaker.
Install a P Frame breaker with a Spring Charge Motor in an I-Line panelboard
Product Line:
Panelboards
Environment:
UL 67, UL 50, CSA C22.2 No.'s 29 & 94-1989, NEMA PB1, NFPA 70 Art. 408, Federal Specification W-P-115C Type 1 Class 1 , 2000 IBC, 1995 NBCC
Cause:
The Powerpact P circuit breaker with motor operator is considerably greater in depth than the standard, manually operated version.
Resolution:
Yes, in I-Line panels that will accept P Frame breakers (HCP, HCRU, for example), the motor operated version may be applied; however, for a NEMA 1 enclosure the spring charge motor mandates use of a 4 piece trim with NO door, since a door will not close over a motor operator. With NEMA 3R and NEMA 4/4X stainless steel enclosures the motor-operated Powerpact P circuit breaker may be applied, because these deeper enclosures have sufficient clearance to accommodate the circuit breaker.
Released for: Schneider Electric USA
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