BREAKER WITH A GAS DRIVE FOR LOW-VOLTAGE, MEDIUM-VOLTAGE AND HIGH-VOLTAGE SWITCHING DEVICES

摘要

The invention relates to a breaker with a gas drive for low-voltage, medium-voltage and high-voltage switching devices, in which disconnection can be generated via detonation capsules. In order in this case to ensure that the case of only a low number of connection and disconnection operations in relation to the total operating duration of the circuit breaker is also taken into consideration in design terms, without in the process reducing safety, the invention proposes providing a piston/cylinder arrangement (8) with a plurality of detonation capsules (6, 10) for the purpose of generating a limited number of connection and disconnection operations in the cylinder in each of the two cylinder subareas which are separated by the piston.