Issue:
Where to find Thermal units tables
Product Line:
NEMA and Definite Purpose Contactors and Starters
Environment:
NEMA Contactor accessories
Resolution:
The SB slow trip thermal units are selected per the Digest instructions preceding the tables. Selection is the same as for the Type B thermal units except using 93% of the full load current value (102% for class 8198 devices) for motors with a service factor of 1.15 to 1.25 . The S prefix is then added to create the SB catalog number.
Where to find Thermal units tables
Product Line:
NEMA and Definite Purpose Contactors and Starters
Environment:
NEMA Contactor accessories
Resolution:
The SB slow trip thermal units are selected per the Digest instructions preceding the tables. Selection is the same as for the Type B thermal units except using 93% of the full load current value (102% for class 8198 devices) for motors with a service factor of 1.15 to 1.25 . The S prefix is then added to create the SB catalog number.