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By certification 
Miniature circuit breakers are mechanical switching devices able to switch, conduct and switch-off the current under normal conditions, and able to switch, conduct and automatically switch-off the current under abnormal circuit conditions, such as short circuit.
Functions
Overload protection
Short circuit protection
Isolation
Controlling
Used in residential building, non-residential building, industry, energy and infrastructure.
Features
The handle being sealable or equipped with padlock bracket avoids dangerous operation changes(ON/OFF).
The handle provides a clear indication of the contact position
Adequate printing of all data on the front provides long-term identification
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