202308 ⎘
Mechanisms for operating contacts; Power arrangements internal to the switch for operating the driving mechanism using spring motor Kinetic energy of moving parts recuperated by transformation into potential energy in closing or opening spring to be used in next operation
Clutch device of gear transmission system of circuit breaker spring operating mechanism
#2Control of spring(s) type for a high- or medium-voltage breaker furnished with a pawled free wheel coupling device
#3Control device for controlling electrical switchgear