H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
H01H1/54—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position by magnetic force
Landscapes
Arc-Extinguishing Devices That Are Switches
(AREA)
Contacteur muni de moyens d'auto-protection contre les effets des forces de répulsion entre les contacts, et son association à un organe de coupure et de limitation des courants de court-circuit