Issue:
What considerations must be made for ambient temperature, humidity, altitude, and vibration when storing or operating Masterpact NW and NT circuit breakers?
Product Line:
Circuit Breakers
Resolution:
Masterpact circuit breakers are suited for use:
At ambient temperatures between -13° F (-25° C) and 158° F (70° C). Operating the breaker above 104° F (40° C) may require derating or over bussing the circuit breaker. See the attachment for details.
At altitudes less than or equal to 13,000 ft. (3900 meters). At altitudes > 6600 ft. (2000 m), rerating factors apply. See the attachment for details.
It is recommended that the equipment be cooled or heated to the proper operating temperature and kept free of excessive vibration and dust, and protected from water intrusion and condensation.
See the attachment for vibration, humidity, and storage recommendations.
What considerations must be made for ambient temperature, humidity, altitude, and vibration when storing or operating Masterpact NW and NT circuit breakers?
Product Line:
Circuit Breakers
Resolution:
Masterpact circuit breakers are suited for use:
At ambient temperatures between -13° F (-25° C) and 158° F (70° C). Operating the breaker above 104° F (40° C) may require derating or over bussing the circuit breaker. See the attachment for details.
At altitudes less than or equal to 13,000 ft. (3900 meters). At altitudes > 6600 ft. (2000 m), rerating factors apply. See the attachment for details.
It is recommended that the equipment be cooled or heated to the proper operating temperature and kept free of excessive vibration and dust, and protected from water intrusion and condensation.
See the attachment for vibration, humidity, and storage recommendations.
Released for: Schneider Electric Canada
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