Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Multiple contact type
Patent
1989-10-26
1990-11-27
Picard, Leo P.
Electricity: magnetically operated switches, magnets, and electr
Electromagnetically actuated switches
Multiple contact type
335202, H01H 6702
Patent
active
049739298
ABSTRACT:
The invention provides a safety device for switching appliances formed by the assembly of at least two removable modular elements, namely a switching module and an indirect switching control module which is able to pass from a tripped condition to a set condition by means of a setting member, tripping following a tripping order applied to a tripping member. The control module is fixed to the switching module by means of a screw whose head is only accessible in the set condition of the control module.
REFERENCES:
patent: 4644308 (1987-02-01), Guery et al.
patent: 4803587 (1989-02-01), Fournier et al.
Donovan Lincoln
Drucker William A.
Picard Leo P.
Telemecanique
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