H01H47/004 - CPC Classification Index

ClassID:

203219 ⎘

H01H47/004 - CPC Classification

Classification description:

Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current; Monitoring or fail-safe circuits using plural redundant serial connected relay operated contacts in controlled circuit

Sub-classes:

H01H47/005 » {Safety control circuits therefor, e.g. chain of relays mutually monitoring each other} 38

Recent Application in this class:

20250201500

2025-06-19

RELAY MODULE AND RELAY TERMINAL BLOCK USING SAME

20220406542

2022-12-22

RELAY CONTROL CIRCUIT AND POWER SUPPLY CIRCUIT

20220102100

2022-03-31

RELAY MODULE AND RELAY TERMINAL BLOCK USING SAME

20220007498

2022-01-06

Relay arrangement with improved heat dissipation and converter device having a relay arrangement of this kind

20210134550

2021-05-06

Modular contactor arrangement

20200403440

2020-12-24

AUTOMATIC TRANSFER SWITCH INCLUDING POWER LINE CARRIER COMMUNICATIONS

20200096571

2020-03-26

Relay fault diagnosis device

20190350073

2019-11-14

Relay arrangement with improved heat dissipation and converter device having a relay arrangement of this kind

20180374665

2018-12-27

Methods and apparatuses for monitoring the functionality of redundantly interconnected contacts

#10

20180350541

2018-12-06

Modular safety relay circuit for the safe switching on and/or off of at least one machine

#11

20180082813

2018-03-22

Safety circuit for fail-safe shutdown of a dangerous system

#12

20170207051

2017-07-20

Relay circuit and method for performing self-test of relay circuit

#13

20160338569

2016-11-24

Detecting current leakage in a heating element

#14

20160254112

2016-09-01

Single-channel safety output

#15

20160225563

2016-08-04

Relay circuit for contact preservation and method for controlling relay circuit

#16

20160225560

2016-08-04

Relay unit for performing insulation diagnosis and method for controlling same

#17

20160223614

2016-08-04

Relay unit, control method for relay unit

#18

20160075251

2016-03-17

Electric vehicle charging apparatus having a welding monitoring relay that is opened and closed during charging operations

#19

20150357140

2015-12-10

Safety switching apparatus for switching-on or switching-off a technical installation

#20

20150015089

2015-01-15

Safety switching apparatus with switching element in the auxiliary contact current path

#21

20140319928

2014-10-30

Auto detection of guard locking device

#22

20140300209

2014-10-09

Single-channel safety output

#23

20140203648

2014-07-24

Automatic transfer switch

#24

20110266890

2011-11-03

Single-channel safety output

#25

20110204729

2011-08-25

Safety switching device with universal signal input

#26

20100302696

2010-12-02

Relay failure detecting device

#27

20100207720

2010-08-19

Safety device for multichannel controlling of a safety-related unit

#28

20100145525

2010-06-10

METHOD AND CIRCUIT ARRANGEMENT FOR SECURE CONTROL OF ACTUATORS, SENSORS AND/OR USERS IN AN ELECTRICAL DEVICE COMPRISING THE SAME IN PARTICULAR IN AN ELECTRICAL DOMESTIC APPLIANCE

#29