Electricity: electrothermally or thermally actuated switches – Electrothermally actuated switches – Fusible element actuated
Patent
1990-11-16
1991-08-20
Broome, Harold
Electricity: electrothermally or thermally actuated switches
Electrothermally actuated switches
Fusible element actuated
337143, 337146, H01H 7120, H01H 7324
Patent
active
050418084
ABSTRACT:
A multi-pole load break switch having two sets of contacts in each pole connected in series to isolate its fuse. Also disclosed is a circuit incorporating the switches of the invention in a double-ended switch board having two power supplies normally isolated from each other.
REFERENCES:
patent: 3213247 (1965-10-01), Stene
patent: 4110584 (1978-08-01), Erickson et al.
patent: 4177368 (1979-12-01), Erickson
Boltswitch Inc.
Broome Harold
LandOfFree
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