Patents
Sitemap › H01 - Basic electric elements › H01H - Electric switches; Relays; Selectors; Emergency protective devices › H01H 71 - Details of the protective switches or relays covered by groups
Patents for H01H 71 - Details of the protective switches or relays covered by groups (18,450)
05/1999
05/12/1999EP0914666A1 Kinematic system for actuating the movable contact of automatic electric breakers
05/12/1999CN2318708Y No-interruption drop fuse
05/12/1999CN1216391A Case for electrical apparatus such as circuit breaker
05/11/1999US5902973 Circuit breaker handle operator apparatus and system
05/06/1999EP0913904A2 Method for increasing reliability of an earth fault circuit breaker and apparatus using same
05/06/1999EP0913848A2 Method for thermally calibrating circuit breaker trip mechanism and associated trip mechanism
05/06/1999EP0913020A1 Pull out electrical equipment
05/06/1999EP0912986A1 Kinematic device for actuating the moving contact, particularly for automatic electric breakers
05/06/1999EP0912985A1 Modular automatic electric breaker with optimization of used spaces
05/06/1999DE19802189C1 Electric switch switch-mechanism
05/05/1999CN1216146A Modular accessory mechanical lockout mechanism
05/04/1999US5901025 Circuit breaker
05/04/1999CA2089743C Remote control circuit breaker
04/1999
04/28/1999EP0911850A1 Electromagnetic relay
04/28/1999EP0911842A2 Method for monitoring a tap changer
04/28/1999CN2316751Y Universal low-voltage air circuit beaker intelligent controller
04/28/1999CN2316721Y High-voltage fall-down fuse
04/28/1999CN2316720Y Switch disconnector
04/27/1999US5898555 Overload protector with overcurrent and over temperature protection
04/27/1999US5898351 Multipolar circuit breaker
04/27/1999US5898146 Molded case circuit breaker with modular crossbar
04/27/1999CA2251506A1 Assembly for electrically connecting a circuit breaker and a trip unit
04/23/1999CA2251487A1 Switchable electric outlet adaptor
04/22/1999WO1999019891A1 Remote-controlled mechanism with a motor, for a circuit breaker
04/22/1999CA2250625A1 Method of monitoring a tap changer
04/21/1999EP0734582B1 Solid state overload relay mechanism
04/21/1999CN2315655Y Tripping device for leakage switch
04/21/1999CN1043100C Multi-stage differential circuit breaker
04/15/1999WO1999018589A1 Electric switch for devices
04/15/1999DE19809205A1 Magnetic system with over current release esp. contactor
04/14/1999EP0908915A1 Casing for an electrical apparatus such as a circuit breaker
04/14/1999EP0769197B1 Module for use with a miniature circuit breaker
04/14/1999CN1042985C 电路断路器 Circuit breaker
04/13/1999US5894404 Circuit breaker panelboard enclosure
04/13/1999US5894398 Solenoid operated remote resetting device with a protective activation circuit
04/13/1999US5894395 Contactor-circuit breaker
04/13/1999US5894260 Thermal sensing bi-metal trip actuator for a circuit breaker
04/13/1999US5894259 Thermal trip unit with magnetic shield and circuit breaker incorporating same
04/13/1999US5894257 Electromagnetic trip for an electrical apparatus for protection
04/08/1999WO1999017320A1 Current-limiting contact system with a selective action
04/08/1999DE19743468A1 Strombegrenzendes Kontaktsystem mit selektiver Wirkung Current-limiting contact system with selective action
04/07/1999CN2313287Y 磁力起动器 Magnetic starter
04/07/1999CN2313286Y Middle-pressure vacuum circuit-breaker insulated isolation cover
04/07/1999CN1042870C Differential protecting device with unit with detecting function
04/06/1999US5892429 Switch having a temperature-dependent switching mechanism
04/06/1999US5892426 Safety switch with security structure
04/06/1999US5892420 Electronic circuit breaker having modular current transformer sensors
04/01/1999DE19743037A1 Protective circuit-breaker esp. automatic cut-out
03/1999
03/31/1999EP0905736A1 Control module
03/31/1999EP0905735A1 Circuit breaker with electromagnetic trip device with actation for a mobile forked contact
03/31/1999EP0905734A2 Electrical circuit breaker and process for making such a device
03/31/1999EP0904593A1 A switch arrangement and method for mounting the same
03/31/1999CN1212448A Circuit breaker compartment door
03/30/1999US5889450 Current transformer assembly for electronic circuit interrupters
03/25/1999WO1999014779A1 Device for generating auxiliary energy for a trigger system, and operating mode
03/25/1999DE19742896A1 Electronics protection module for switching device, e.g. low-voltage power switch
03/24/1999EP0903764A2 Molded case circuit breaker and moving conductor assembly therefor
03/24/1999EP0903762A2 Multi-part circuit breaker housing
03/24/1999EP0903759A1 Device for joining two modular electrical units
03/24/1999CN2311852Y Safety switch
03/24/1999CN1042679C Device for associating contactor with circuit breaker
03/23/1999US5886860 Circuit breakers with PTC (Positive Temperature Coefficient resistivity
03/23/1999US5886641 Trip indicator and signalling switch assembly
03/23/1999US5886606 Circuit breaker
03/23/1999US5886605 Actuator assembly with calibration means and electrical power switch apparatus incorporating the actuator assembly with calibration means
03/23/1999US5886604 Circuit breaker
03/23/1999US5886603 Electrically controlled tripping mechanism
03/23/1999US5886600 Modular thermal magnetic trip unit for rapid circuit interruption
03/23/1999US5886599 Molded case circuit breaker having an improved electromagnetic trip
03/18/1999DE19750875C1 Overcurrent release for protection switch
03/18/1999CA2247606A1 Molded case circuit breaker and moving conductor assembly therefor
03/17/1999EP0902454A2 Ground fault circuit interrupter
03/17/1999EP0902453A2 Device for adjusting a thermal tripping device, particularly for a circuit breaker
03/17/1999EP0752155B1 Blade assembly
03/17/1999CN1211060A Residual current circuit breaker
03/17/1999CN1211059A Circuit breaker of molded outer case
03/17/1999CN1211058A Device for assembly and electrical connection of modular electrical switchgear units such as circuit breakers
03/17/1999CN1211057A Device for indicating electrical fault in breaking device with as differential switch
03/17/1999CN1210947A 压缩机 Compressor
03/11/1999WO1999012175A1 Power circuit breaker with an actuating shaft
03/11/1999DE19738807A1 Multi-pole current-limiting contact system for LV switchgear
03/10/1999EP0901143A1 Device for assembly and connection of electrical power equipment modules such as circuit breakers
03/10/1999EP0901142A1 Device for indicating an electrical fault in a switching device, like a differential circuit breaker
03/09/1999US5880655 Electromagnetic relay
03/04/1999WO1999010906A1 Breaker
03/04/1999WO1999010902A2 Circuit breakers with ptc (positive temperature coefficient resistivity) elements
03/04/1999WO1999010138A1 Robot emergency stop deadman switch mechanism and teaching control panel
03/04/1999DE19839252A1 Switch mechanism for circuit breaker
03/04/1999DE19741919C1 Switch-disconnecter e.g. for motor vehicle battery load circuit in emergency situations
03/04/1999CA2266536A1 Circuit breakers with ptc (positive temperature coefficient resistivity) elements
03/03/1999EP0799489B1 Current-limiter switch
03/03/1999CN2309609Y On-line automatic monitoring device of switch
03/03/1999CN1209686A Electric control device
03/02/1999US5877925 Ground fault-rating plug for molded case circuit breakers
03/02/1999US5877691 Circuit breaker with a circuit breaker unit and processing, calibration and communication modules
03/02/1999US5877563 Fuse device for a cable in motor vehicles
03/02/1999US5875885 Combined wire lead and interphase barrier for power switches
02/1999
02/24/1999EP0898292A2 Electric control apparatus
02/24/1999EP0897605A1 Modular circuit breaker interconnection system
02/24/1999EP0897587A1 Modular accessory mechanical lockout mechanism
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