H02H11/004 - CPC Classification Index

ClassID:

216875 ⎘

H02H11/004 - CPC Classification

Classification description:

Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result in case of incorrect phase sequence; with switching for obtaining correct phase sequence

Recent Application in this class:

20250286368

2025-09-11

ELECTRICAL WIRING DEVICE WITH WIRING DETECTION AND CORRECTION

20230045908

2023-02-16

Electrical wiring device with wiring detection and correction

20210360834

2021-11-18

Three-phase electronic control unit for enclosure air conditioners

20200343722

2020-10-29

Electrical wiring device with wiring detection and correction

20200060048

2020-02-20

Three-phase electronic control unit for enclosure air conditioners

20150069858

2015-03-12

Automatic diagnosis or repair for a generator controller

20150000232

2015-01-01

Three-phase portable airborne component extractor with rotational direction control

20140265630

2014-09-18

Phase detection circuit

20120139361

2012-06-07

Method and apparatus for redefining electrical power system wiring

#10

20080111429

2008-05-15

Apparatus for interfacing a three phase power supply to a load

#11

20050185350

2005-08-25

System and method for fault contactor detection

#12

20050134288

2005-06-23

Device and method for monitoring the connection of an electrical supply unit