H - Electricity – 01 – H
Patent
H - Electricity
01
H
H01H 71/50 (2006.01) H01H 71/00 (2006.01) H01H 71/68 (2006.01) H01H 47/22 (2006.01)
Patent
CA 2192846
A solenoid operated remote resetting device with a protective solenoid activation circuit is disclosed. The device includes a housing for enclosing and protecting a solenoid with a movable plunger, a movable mechanical operator having an operator arm extending through an opening defined in the housing and a circuit board on which a solenoid activation circuit is mounted. The solenoid activation circuit includes circuitry for protecting the solenoid from overheating due to intentional or unintentional prolonged current flow in the solenoid.
La présente invention concerne un dispositif de réarmement commandé par électroaimant, pourvu d'un circuit activateur de protection à électro-aimant. Ce dispositif comporte un boîtier renfermant et protégeant un électroaimant pourvu d'un piston mobile, un actionneur mécanique mobile comportant un bras d'actionnement dépassant par une ouverture ménagée dans le boîtier, et une carte à circuit sur laquelle est monté le circuit activateur à électroaimant. Ce circuit activateur à électroaimant est équipé de circuits protégeant l'électroaimant contre la surchauffe imputable au passage volontairement ou involontairement prolongé de courant dans l'électroaimant.
Harris Matthew R.
Lawrence Gregory R.
Phillips Timothy B.
Fetherstonhaugh & Co.
Square D. Company
LandOfFree
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