203231 ⎘
Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay for holding armature in attracted position, e.g. when initial energising circuit is interrupted; for maintaining armature in attracted position, e.g. with reduced energising current by changing number of parallel-connected turns or windings
Switching device, starting device, and method for an electromagnetic switching device
#2Starter mechanism having a multi-stage plunger relay
#3Electromagnetic actuating device with coils capable of holding electrification in series connection after being actuated in parallel connection
#4Electromagnetic actuating device capable of partially holding electrification after being actuated in parallel connection
#5Operative control circuit of multiple electromagnetic actuating devices in series and parallel connection
#6Electromagnetic actuator parallel actuation serial sustaining driving circuit
#7Solenoid protection method and apparatus
#8Noise-free low-power consumption wide voltage range DC and AC contactor and remote telephone control system using the same