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Devices for introducing a predetermined time delay between the initiation of the switching operation and the opening or closing of the contacts
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Industry
CPC
H01H7/00
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Parent Industries
H
ELECTRICITY
H01
Electric elements
H01H
ELECTRIC SWITCHES RELAYS SELECTORS EMERGENCY PROTECTIVE DEVICES
Current Industry
H01H7/00
Devices for introducing a predetermined time delay between the initiation of the switching operation and the opening or closing of the contacts
Sub Industries
H01H7/02
with fluid timing means
H01H7/03
with dash-pots
H01H7/04
with flies
H01H7/06
with thermal timing means
H01H7/08
with timing by mechanical speed-control devices
H01H7/10
by escapement
H01H7/12
mechanical
H01H7/14
electromagnetic
H01H7/16
Devices for ensuring operation of the switch at a predetermined point in the ac cycle
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