Moulded case circuit breaker and thermal -protection shell thereof

The utility model discloses a moulded case circuit breaker's thermal -protection shell, housing base is last to have and constructs at a distance from hot junction, separates the hot junction configuration and becomes on housing base's lateral wall, separates hot junction and packs the air in constructing, and the position that separates position that hot junction constructs and the interior flexible connecting portion spare of moulded case circuit breaker corresponds. The utility model discloses still having disclosed a moulded case circuit breaker, having had on moulded case circuit breaker's the housing base and construct at a distance from hot junction, separated the hot junction configuration and become on housing base's lateral wall, separated hot junction and pack the air in constructing, the position that separates position that hot junction constructs and the interior flexible connecting portion spare of moulded case circuit breaker corresponds. The utility model discloses a moulded case circuit brea