Miniature circuit breakers with leakage trip accessories constitute our most common leakage protector. The common types of miniature circuit breakers are Type C and Type D. How to distinguish between Type C and Type D?
The difference between Type C and Type D miniature circuit breakers is the difference in short-circuit instantaneous tripping current, and the overload protection is the same.
Type C: The magnetic trip current is (5-10) In, which means it will trip when the current is 10 times the rated current, and the action time is less than or equal to 0.1 seconds. It is suitable for protecting conventional loads and lighting circuits. (C-type is mostly used at home)
Type D: The magnetic trip current is (10-20) In, which means it will trip when the current is 20 times the rated current and the action time is less than or equal to 0.1 seconds. It is suitable for protecting equipment with very high inrush current, loads with large starting current, such as small motors that start directly.