Process and device for setting a thermal trip device with bimeta

Details Process and device for setting a thermal trip device with bimeta Process and device for setting a thermal trip device with bimeta

1992-11-02

1994-05-31

Pellinen, A. D.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Circuit interruption by thermal sensing

324417, 335 45, 337 82, H01H 7116

Patent

active

053174712

ABSTRACT:
A thermal setting process of the bimetal strip consists in securing an adjusting pin to the trip bar by means of laser welding when the bimetal strip reaches a first preset temperature, and then checking tripping at a second temperature with or without action on a positioning screw of the bar.

REFERENCES:
patent: 3908110 (1975-09-01), Heft
patent: 3944959 (1976-03-01), Kidd
patent: 3953812 (1976-04-01), Heft et al.

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