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Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
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Industry
CPC
H01H47/00
This industry / category may be too specific. Please go to a parent level for more data
Parent Industries
H
ELECTRICITY
H01
Electric elements
H01H
ELECTRIC SWITCHES RELAYS SELECTORS EMERGENCY PROTECTIVE DEVICES
Current Industry
H01H47/00
Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
Sub Industries
H01H47/001
Functional circuits
H01H47/002
Monitoring or fail-safe circuits
H01H47/004
using plural redundant serial connected relay operated contacts in controlled circuit
H01H47/005
Safety control circuits therefor
H01H47/007
with galvanic isolation between controlling and controlled circuit
H01H47/02
for modifying the operation of the relay
H01H47/04
for holding armature in attracted position
H01H47/043
making use of an energy accumulator
H01H47/06
by changing number of serially-connected turns or windings
H01H47/08
by changing number of parallel-connected turns or windings
H01H47/10
by switching-in or -out impedance external to the relay winding
H01H47/12
for biasing the electromagnet
H01H47/14
for differential operation of the relay
H01H47/16
for conjoint
H01H47/18
for introducing delay in the operation of the relay
H01H47/20
for producing frequency-selective operation of the relay
H01H47/22
for supplying energising current for relay coil
H01H47/223
adapted to be supplied by AC
H01H47/226
for bistable relays
H01H47/24
having light-sensitive input
H01H47/26
having thermo-sensitive input
H01H47/28
Energising current supplied by discharge tube
H01H47/30
by gas-filled discharge tube
H01H47/32
Energising current supplied by semiconductor device
H01H47/325
by switching regulator
H01H47/34
Energising current supplied by magnetic amplifier
H01H47/36
Relay coil or coils forming part of a bridge circuit
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