Patents for H01H 83 - Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current (5,042) |
---|
09/03/1996 | US5552646 Pressure control device |
08/28/1996 | CN2234130Y Plug type electricity leakage protector |
08/21/1996 | EP0727091A1 Overvoltage protection device |
08/13/1996 | US5546265 Digital circuit interrupter shunt trip control circuit |
08/13/1996 | US5546263 For interrupting the flow of current to an electrical device |
08/06/1996 | CA2051564C Junction box with protection function to protect from overvoltage and overcurrent |
07/31/1996 | CN2232160Y Open-phase protector for three-phase power supply |
07/31/1996 | CN1127929A Defferential switch associated to one or more circuit protection elements such as fuse cut-guts or circuit breakers |
07/30/1996 | US5541800 Reverse wiring indicator for GFCI receptacles |
07/23/1996 | US5539605 Digital circuit interrupter undervoltage release accessory |
07/17/1996 | CN2231450Y Phase interruption protective device for circuit breaker |
07/10/1996 | EP0720772A1 Power switch with an arc quenching device |
07/04/1996 | WO1996020525A1 Electrical circuit breaker |
06/25/1996 | US5530414 Switching accessory for use with motor starters |
06/19/1996 | CN2229720Y Electric leakage protection plug |
06/19/1996 | CN1124874A Integrated protector for program-controlled high-voltage switch |
06/13/1996 | DE4443520A1 Fault-current circuit breaker |
06/12/1996 | CN1032037C Fault current protective switch in modular design |
06/05/1996 | EP0715327A1 Device against calibration reduction after adaption of an auxiliary |
05/30/1996 | WO1996016424A1 A fuse arrangement |
05/29/1996 | CN1123458A Leakage-responsive circuit breaker |
05/23/1996 | WO1996015460A1 Current transducers |
05/23/1996 | CA2207037A1 Current transducers |
05/22/1996 | CN1122949A Differential protection unit with passage for cables |
05/21/1996 | US5519368 Compact coil assembly for transient voltage protection |
05/14/1996 | US5517165 Switch mechanism |
05/14/1996 | US5517104 Lead wire DC current sensor with saturated detecting core |
05/02/1996 | CA2137945A1 Compact control and monitoring switch |
05/01/1996 | CN1031737C Test key arrangement for an earth-leakage current circuit-breaker or differential-current circuit-breaker |
04/30/1996 | US5512720 Auxiliary trip device for a circuit breaker |
04/24/1996 | EP0525137B1 Protective switchgear tripped by differential current or undervoltage |
04/24/1996 | EP0491933B1 Plug-in circuit breaker |
04/24/1996 | CN1031674C Single-pole plus neutral circuit breaker with test circuit |
04/23/1996 | US5510760 Ground fault interrupter wiring device with improved latching and actuating components |
04/23/1996 | US5510759 Miniature circuit breaker with ground fault electronics supported by stiff conductors for easy assembly |
04/23/1996 | US5510658 Circuit breaker device for electric vehicle |
04/17/1996 | EP0706712A1 Ground fault module conductors and base therefor |
04/03/1996 | EP0704874A1 Differential circuit breaker associated with one or more circuit protection elements such as fuse units or circuit breakers |
04/03/1996 | CN2223866Y Four-in-one type phase-lost protective switch for motor |
04/03/1996 | CN2223865Y Phase-lost protective device for electric motor |
03/28/1996 | WO1996009639A1 Differential current protective switch with special core material |
03/21/1996 | DE4432643A1 Contact arrangement for fault-current (FI) circuit breaker for e.g. refrigerators or freezers |
03/20/1996 | EP0702387A1 Multipole circuit breaker with reduced operating temperature |
03/20/1996 | CN1118929A Method and apparatus for detecting state of electromechanial protective switch |
03/17/1996 | CA2158415A1 Multipole circuit breaker with reduced operating temperature |
03/13/1996 | CN2222410Y Phase-lose protector for electric motor |
03/06/1996 | CN1118108A Circuit breaker |
02/29/1996 | DE4429950A1 Semi automatic test facility for leakage current detection |
02/20/1996 | US5493265 Wire securing block |
02/08/1996 | WO1996003760A1 Current imbalance sensor |
02/08/1996 | WO1996003759A1 Module for use with a miniature circuit breaker |
02/07/1996 | EP0696041A1 Cut out |
01/30/1996 | US5488303 Ground fault interrupter |
01/18/1996 | WO1996001489A1 Operation of residual current devices |
01/18/1996 | WO1996001488A1 Electrically controlled tripping mechanism |
01/18/1996 | WO1996001487A1 Detent mechanism |
01/18/1996 | WO1996001484A1 Electrically controlled tripping mechanism |
01/16/1996 | US5485339 Safety electrical assembly for electric power equipment |
01/16/1996 | US5485133 Circuit breaker |
01/10/1996 | EP0691665A1 Main cut-out |
01/10/1996 | EP0691662A1 Differential transformer for electronic protection device |
01/09/1996 | US5483212 Overload relay to be combined with contactors |
01/04/1996 | DE4421150C1 Auxiliary release device fixing system for LV power switch |
01/03/1996 | EP0690537A1 Contactor with latching means for rail mounting |
01/03/1996 | EP0690466A1 Pyrotechnic excess current protection element |
01/02/1996 | US5481235 Conducting spring for a circuit interrupter test circuit |
12/27/1995 | EP0689271A1 An earth leakage unit |
12/21/1995 | DE4420765A1 Board fastener to secure power circuit-breaker or earth-fault short-circuit current switch mechanism in housing |
12/20/1995 | EP0688034A1 Test button device |
12/19/1995 | US5477201 Single solenoid actuator for two pole ground fault circuit interrupter |
12/13/1995 | CN2215154Y Safety motor starter |
12/06/1995 | EP0685867A1 Differential release device |
12/06/1995 | EP0685866A1 Monitoring process and device for sensing the condition of electromechanical circuit breakers |
11/30/1995 | WO1995032536A1 Digital circuit interrupter undervoltage release accessory |
11/23/1995 | DE4417897A1 Totalising current transformer modules assembly method |
11/23/1995 | DE19517714A1 Electronic trip-release unit |
11/22/1995 | CN2213377Y Open-phase protective relay |
11/15/1995 | CN1111805A Differential trip unit |
11/15/1995 | CN1111753A DC current sensor |
11/09/1995 | WO1995030234A1 Ground fault module conductors and base therefor |
10/19/1995 | DE4413418A1 Safety switch with line protection stage and fault current unit |
10/18/1995 | CN2210468Y Safety switch for electric motor |
10/17/1995 | US5459630 Self testing circuit breaker ground fault and sputtering arc trip unit |
10/17/1995 | US5459444 Circuit breaker for use in wall mounted plug |
10/12/1995 | WO1995027301A1 Conducting spring for a circuit interrupter test circuit |
10/10/1995 | US5457444 Switching mechanism |
10/10/1995 | US5457365 Disk drive power management system |
10/04/1995 | CN2209400Y Electromagnetic motor protector |
10/04/1995 | CN2209383Y Indication alarm type surge absorber |
09/27/1995 | EP0674333A2 Earth leakage circuit breaker |
09/27/1995 | EP0470215B1 A circuit breaker |
09/27/1995 | CN2208740Y Multi-function automatically protecting three-phase knife switch |
08/29/1995 | US5446431 Ground fault module conductors and base therefor |
08/16/1995 | CN1106957A Self-testing circuit breaker ground fault and sputtering arc trip unit |
08/15/1995 | US5442151 Button well compression seal assembly |
08/09/1995 | CN2205057Y Separate leakage circuit breaker |
08/02/1995 | EP0665623A1 Test device for differential circuit breaker and differential circuit breaker containing the same |
08/02/1995 | EP0665569A1 Diffential trip unit |
07/20/1995 | WO1995019630A1 A compact coil assembly for transient voltage protection |
07/13/1995 | DE4424125C1 Automatic main protection fuse for distribution network |