Sometimes the circuit breaker when in use, the hand feels some high temperature, very worried about


According to GB14048.2 terminal temperature: Molded Case 80K, slightly off 60k.

IC65 in the course, if the fever is a normal?

Accordance with the national standard GB10963 provisions, under specified conditions, the various parts of the circuit breaker limit temperature rise: Terminals for external conductors should be less than or equal to 60 degrees; reach external manual operation should be less than or equal to 40 degrees, Breakers & the mounting plane direct contact with the surface should be less than or equal to 60 degrees