H01H50/74 - CPC Classification

Details of electromagnetic relays; Driving arrangements between movable part of magnetic circuit and contact Mechanical means for producing a desired natural frequency of operation of the contacts, e.g. for self-interrupter

• H01H50/76 » using reed or blade spring 2
• H01H50/78 » using diaphragm; using stretched wire or ribbon vibrating sideways 0
• H01H50/80 » using torsionally-vibrating member, e.g. wire, strip 0
• H01H50/82 » using spring-loaded pivoted inertia member 1
• H01H50/84 » with means for adjustment of frequency or of make-to-break ratio 1

Recent Application in this class: