Patent classifications
H
ELECTRICITY
Load children
H01
ELECTRIC ELEMENTS
Load children
H01H
ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
Load children
33/00
High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
Load children Filter patents View analytics View as hierarchy
H01H33/59
Circuit arrangements not adapted to a particular application of the switch and not otherwise provided for, e.g. for ensuring operation of the switch at a predetermined point in the AC cycle
Load children Filter patents View analytics View as hierarchy
H01H33/596
for interrupting DC
Filter patents View analytics View as hierarchy