Patent ID: 9397511
Filing Date: 2016-07-19
CPC Classification: H01H,H01M,H02J,Y02E

Claim Text:
1. A safety device mounted in a battery pack comprising one or more battery modules, each of which comprises a plurality of unit modules electrically connected to each other, to interrupt a flow of electric current in the battery pack in an abnormal state of the battery pack, the safety device comprising: a safety device case provided with a connection terminal connected to a main cable of the battery pack; and a circuit breaker unit mounted into the safety device case from an outside of the battery pack in an insertion fashion such that the circuit breaker unit is electrically connected to the connection terminal in a state in which the circuit breaker unit is mounted in the safety device case and the circuit breaker unit is electrically disconnected from the connection terminal in a state in which the circuit breaker unit is separated from the safety device case.