Patents
Patents for H01H 71 - Details of the protective switches or relays covered by groups (18,450)
11/1994
11/02/1994EP0622821A1 Circuit breaker housing
11/02/1994EP0431158B1 Unitary breaker assembly for a circuit breaker
11/01/1994US5361052 Industrial-rated circuit breaker having universal application
10/1994
10/27/1994WO1994024689A1 Electromagnetic switching mechanism for electrical safety switches
10/27/1994WO1994024686A1 Circuit breaker with pivoting control buttons
10/27/1994DE4332741A1 Low-voltage switch (circuit breaker) in the form of a box, equipped with electrical additional devices and built-in wiring in the housing of the switch
10/27/1994DE4332305A1 Switch (circuit breaker) in the form of a box for low voltage, with a built in ammeter
10/27/1994DE4331857A1 Switch (circuit breaker) in the form of a box and equipped with an additional unit
10/26/1994EP0621670A1 Circuit breaker with auxiliary circuits
10/26/1994EP0621619A1 Automatic cut-out
10/26/1994EP0621618A2 Magnetic release device for an electrical switching device
10/26/1994EP0621617A1 Circuit breaker with additional device
10/26/1994EP0443011B1 Processor controlled circuit breaker trip system having an intelligent rating plug
10/26/1994CN2181084Y AC and dc electric magnet operation controlling box
10/26/1994CN1026372C Rapid changed assembly of current transformer and force transmitting washer of same
10/25/1994US5358073 Method and apparatus for tensioning an accumulator spring of a drive of a high-voltage or medium-voltage power circuit breaker
10/20/1994DE4312594A1 Switching arrangement for switching the phases and the O conductor of load interrupter switches
10/19/1994EP0620579A1 Adjusting device for the trip level of a multipole circuit breaker
10/18/1994US5357066 Operating mechanism for a four-pole circuit breaker
10/13/1994WO1994023437A1 Basic switch module for a multipole electrical motor circuit breaker, and a motor circuit breaker comprising said basic switch modules
10/13/1994DE4311429A1 Main switch for four-conductor three-phase mains power supply
10/12/1994EP0619591A1 Magnetothermal trip unit
10/12/1994EP0619590A1 Multipole circuit breaker with modular assembly
10/12/1994EP0572654A4 Compact circuit breaker.
10/11/1994US5355111 Nested contact and cap assembly for fuseholder
10/05/1994CN2178938Y 断路器 Breaker
10/04/1994US5353014 Circuit breaker with indicator lights
10/03/1994CA2120376A1 Load break disconnecting device with solid arc suppression means
09/1994
09/29/1994WO1994022159A2 A colour switching fault indicator
09/29/1994WO1994022158A1 Safety switch
09/29/1994DE4309198A1 Connecting terminal for a built-in appliance, especially for a line protection circuit breaker
09/29/1994DE4309197A1 Line protection circuit breaker
09/29/1994CA2136024A1 A colour switching fault indicator
09/28/1994EP0617448A1 Protection group with double interruption
09/27/1994US5351024 For controlling the flow of electrical power
09/21/1994EP0616352A1 Apparatus switch with integrated over-current protection
09/21/1994EP0616350A1 Automatic cutout
09/21/1994EP0616349A1 Circuit breaker, in particular line circuit breaker
09/21/1994EP0616348A1 Molded case circuit breaker operating mechanism crossbar assembly
09/21/1994EP0616347A1 Single- or multipole circuit breaker
09/20/1994CA1332067C Crossbar assembly
09/15/1994DE4407934A1 Overcurrent relay
09/15/1994DE4307811A1 Electrical switching device
09/14/1994EP0615268A1 Electrical contactor employing a rotary disc
09/14/1994EP0615266A1 Electric protection device with thermal detector
09/14/1994EP0593733A4 Automatic miniature circuit breaker with z-axis assemblable contact assembly
09/13/1994US5347248 Protective switching device for difference-current and undervoltage tripping
09/13/1994CA1331998C Circuit breaker with low voltage contact structure
09/07/1994EP0614207A2 Switching device with a thermal and a magnetic trip device
08/1994
08/30/1994US5343179 Miniaturized solenoid operated trip device
08/30/1994US5343178 Electric circuit breaker
08/30/1994US5343174 Electrical circuit interrupting device with means to break welded contacts
08/30/1994CA1331775C Molded case circuit breaker hosing reinforcement
08/30/1994CA1331772C Molded case circuit breaker accessory enclosure
08/24/1994EP0612092A1 Circuit breaker with adaptable remote control unit
08/24/1994EP0612091A1 Remote-controlled circuit-breaker with resetting cam
08/24/1994EP0612090A2 Rotation operating device for a circuit breaker
08/24/1994EP0612089A2 Switching device for circuit breakers
08/24/1994EP0612087A1 Remote controlled circuit breaker with disconnecting function
08/17/1994EP0611224A1 Differential protection unit with functionally testable sub-assembly
08/16/1994US5339060 Protective switch
08/16/1994CA1331470C Interrupter actuator
08/10/1994EP0610143A1 Mechanical and electrical locking device for a remote control unit of a modular circuit breaker
08/10/1994EP0610044A1 Molded case circuit breaker modular line strap assembly
08/09/1994US5337031 Cost-efficient industrial-rated molded case breaker
08/04/1994WO1994017545A1 Line safety switch
08/03/1994CN2173456Y Electromagnetic drop bar for drop switch
08/02/1994US5334808 Draw-out molded case circuit breaker
07/1994
07/30/1994CA2114515A1 Miniaturized solenoid operated trip device
07/27/1994EP0608184A1 Modular differential circuit breaker
07/27/1994EP0514454B1 Device for motor and short-circuit protection
07/26/1994US5332986 Overload relay mechanism
07/21/1994DE4300909A1 Thermal trigger for protective power circuit breaker
07/19/1994US5331501 For connecting a load to a power source
07/19/1994US5331500 Circuit breaker comprising a card interfacing with a trip device
07/19/1994US5331301 Circuit breaker
07/13/1994EP0447417B1 A multi-pole switch comprising a tripping module
07/12/1994US5329264 Circuit breaker with overcurrent tripping device
07/07/1994DE4244121A1 Circuit arrangement with electromagnetic relay for use in vehicles
07/06/1994EP0604985A1 Electromagnetic switch drive
07/06/1994CN1089060A Overload protective apparatus utilizing a bimetal
07/05/1994US5327112 Electromagnetic actuator of the type of a relay
06/1994
06/30/1994DE4308090C1 Electric pressure switch for compressor unit motor protection
06/29/1994EP0604330A1 Modular circuit breaker attached to a remote control unit
06/29/1994EP0603663A1 Thermal and magnetic tripping mechanism
06/29/1994EP0603346A1 Automatic miniature circuit breaker with z-axis assemblable current response mechanism.
06/29/1994CN2170577Y Air breaker
06/23/1994DE4243314A1 Current limiting switch with additional attenuating switch action
06/21/1994US5323288 Protection system for electric circuits
06/21/1994US5323131 Molded case circuit breaker motor operator
06/21/1994US5323130 Molded case circuit breaker modular line strap assembly
06/21/1994US5322980 Circuit breaker lock out- multi-pole
06/21/1994CA1330355C Manually actuated on-off switch with electromagnetic release
06/15/1994EP0602024A2 Operating mechanism for a multipolar fault-current protective switch with a rotary crossbar
06/15/1994EP0601941A1 Modular circuit breaker for DC
06/15/1994CN2169204Y Universal protector
06/14/1994US5321378 Molded case circuit breaker current transformer adapter unit
06/14/1994CA1330224C Release mechanism for a high speed circuit breaker
06/09/1994WO1994013003A1 Magnetic trigger for fault current protection switch
06/08/1994EP0600071A1 Manual override mechanism for a remote controlled circuit breaker