Calibrated electrical motor switch

Electricity: circuit makers and breakers – Liquid contact – Time delay

Patent

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Details

200153R, 200 80R, 200 6C, H01H 3510

Patent

active

040586952

ABSTRACT:
An electrical starting winding switch for electrical motors having a calibrated single make and break contact with an unusually high opening force for the higher electrical values encountered in high density electrical motors while maintaining a much lower value of uniform contact closing force during the speed-responsive actuation of the switch.

REFERENCES:
patent: 2695939 (1954-11-01), Filliette
patent: 3272950 (1966-09-01), Greenhut
patent: 3805005 (1974-04-01), Wilkinson

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