| 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) |
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| 08/17/1999 | US5940256 Circuit breaker responsive to repeated in-rush currents produced by a sputtering arc fault |
| 08/17/1999 | CA2074287C Switch mechanism with two fulcrums |
| 08/11/1999 | EP0934596A2 Circuit breakers with ptc (positive temperature coefficient resistivity) elements |
| 08/11/1999 | CN1225745A Modular automatic electric breaker with optimization of used spaces |
| 08/03/1999 | US5933305 For an ac electrical system |
| 08/03/1999 | US5933063 Ground fault circuit interrupter |
| 07/29/1999 | WO1999038184A1 Low-voltage power breaker with an auxiliary release |
| 07/28/1999 | CN1224228A Device for electrical connection of differential unit to circuit breaker or similar and differential unit equipped with such device |
| 07/27/1999 | CA2142172C Ground fault interrupter wiring device and methods of assembly and testing thereof |
| 07/22/1999 | DE19802921A1 Low voltage (LV) power switch with auxiliary release, such as cut-in magnet |
| 07/21/1999 | CN2330063Y Over-current breaker |
| 07/13/1999 | US5923238 Overvoltage protective module |
| 07/07/1999 | CN2328120Y Automatic phase-off protector for three phase A.C. motor |
| 07/06/1999 | US5920451 Earth leakage circuit breaker assembly |
| 06/30/1999 | EP0926792A1 Keying device for electrical apparatuses, in particular for circuit-breakers and differential switches |
| 06/30/1999 | EP0926695A1 Electrical connection device of a differential unit to a circuit breaker or similar and a differential unit equiped with such a device |
| 06/29/1999 | US5917686 High current ground fault circuit interrupter |
| 06/17/1999 | WO1999030340A1 Switchgear unit with leading auxiliary switch |
| 06/17/1999 | WO1999030339A1 Switchgear unit consisting of a switching device and a coupled leading auxiliary switch |
| 06/16/1999 | CN2324629Y Electric leakage protection relay |
| 06/15/1999 | CA2111959C Automatic miniature circuit breaker with z-axis assemblable trip mechanism |
| 06/09/1999 | EP0921541A1 Fabrication process of a soft nanocrystalline magnetic core for use in a differentiel circuit breaker |
| 06/09/1999 | EP0921540A1 Fabrication process of a magnetic core of a soft magnetic nanocrystalline alloy and use in a differential circuit breaker |
| 06/09/1999 | CN1219278A Process for adjusting a thermal overlad cut-out |
| 06/08/1999 | US5910759 Contact mechanism for electronic overload relays |
| 06/08/1999 | US5910758 Miniature circuit breaker with shunt trip device |
| 06/02/1999 | EP0920046A2 Circuit breaker with sense bar to sense current from voltage drop across bimetal |
| 06/02/1999 | CN1218271A 电路断路器 Circuit breaker |
| 05/25/1999 | US5907461 Molded case circuit breaker with ground fault protection and signaling switches |
| 05/21/1999 | CA2254278A1 Safety devices for electrical circuits and systems |
| 05/20/1999 | WO1999010902A3 Circuit breakers with ptc (positive temperature coefficient resistivity) elements |
| 05/12/1999 | EP0914666A1 Kinematic system for actuating the movable contact of automatic electric breakers |
| 05/06/1999 | EP0912985A1 Modular automatic electric breaker with optimization of used spaces |
| 05/05/1999 | CN1216146A Modular accessory mechanical lockout mechanism |
| 05/04/1999 | US5901025 Circuit breaker |
| 04/28/1999 | EP0911851A1 Control device for an electromechanical contactor-circuit breaker type device with separable power contacts |
| 04/24/1999 | CA2250348A1 Control device for switch-breaker apparatus |
| 04/23/1999 | CA2251487A1 Switchable electric outlet adaptor |
| 04/21/1999 | CN2315656Y Non full phase and large slip asynchronous operation overvoltage protector for generator |
| 04/14/1999 | EP0769197B1 Module for use with a miniature circuit breaker |
| 04/14/1999 | CN2314505Y Safety protector for electric lines in use |
| 04/07/1999 | CN2313289Y Thunder-proof overvoltage automatic break-off power-supply switch |
| 04/07/1999 | CN2313287Y 磁力起动器 Magnetic starter |
| 04/07/1999 | CN1042870C Differential protecting device with unit with detecting function |
| 03/31/1999 | EP0905839A1 Pluggable surge arrester |
| 03/31/1999 | EP0905736A1 Control module |
| 03/25/1999 | DE19841610A1 Switch trigger unit, e.g. for a circuit breaker and protective relay unit |
| 03/24/1999 | EP0903765A2 A circuit breaker |
| 03/24/1999 | CN2311855Y Anti-mistrip overcurrent protection controller |
| 03/24/1999 | CN2311854Y Overvoltage and overcurrent automatic cut-off switch |
| 03/24/1999 | CN2311853Y Phase-defect protective connecting device |
| 03/24/1999 | CN2311850Y Semi-automatic safety switch capable of preventing accident power on |
| 03/24/1999 | CN1042683C Earth leakage unit |
| 03/24/1999 | CN1042682C Ground fault circuit interrupter with immunity to wide band noise |
| 03/23/1999 | US5886860 Circuit breakers with PTC (Positive Temperature Coefficient resistivity |
| 03/23/1999 | US5886603 Electrically controlled tripping mechanism |
| 03/17/1999 | EP0902454A2 Ground fault circuit interrupter |
| 03/17/1999 | CN2311092Y Pulse earth leakage protector |
| 03/17/1999 | CN1211060A Residual current circuit breaker |
| 03/17/1999 | CN1211057A Device for indicating electrical fault in breaking device with as differential switch |
| 03/10/1999 | EP0901142A1 Device for indicating an electrical fault in a switching device, like a differential circuit breaker |
| 03/10/1999 | CN2310386Y 电子控制继电器 Electronic Control Relay |
| 03/04/1999 | WO1999010902A2 Circuit breakers with ptc (positive temperature coefficient resistivity) elements |
| 03/04/1999 | CA2266536A1 Circuit breakers with ptc (positive temperature coefficient resistivity) elements |
| 03/03/1999 | EP0898781A1 Process for adjusting a thermal overload cut-out |
| 03/02/1999 | US5877691 Circuit breaker with a circuit breaker unit and processing, calibration and communication modules |
| 02/25/1999 | WO1999009573A1 Protective switchgear |
| 02/24/1999 | EP0897587A1 Modular accessory mechanical lockout mechanism |
| 02/24/1999 | EP0847587B1 Power circuit-breaker with current transformers and data store |
| 02/24/1999 | CN2308960Y Under-voltage electrical appts. release |
| 02/24/1999 | CN2308958Y Width 18 modularized clamping-rail dual-line breaker |
| 02/23/1999 | US5874877 Circuit breaker |
| 02/18/1999 | DE19735416A1 Fault-current protection unit especially circuit-breaker for electrical equipment |
| 02/17/1999 | CN2308163Y Earth leakage protective device with air-tight chamber leakage electrical apparatus release |
| 02/16/1999 | CA2138822C Dc current sensor |
| 02/10/1999 | EP0896351A2 Device for mechanical coupling of an overcurrent relay to a contactor |
| 02/10/1999 | EP0896347A1 In line rewirable switch device |
| 02/10/1999 | CN2307363Y Electronic leakage protective circuit-breaker |
| 02/03/1999 | CN2306566Y Electromagnetic electric leakage release |
| 01/27/1999 | CN2305750Y AC contactor phase-defect protector |
| 01/26/1999 | US5864455 In-line cord ground fault circuit interrupter |
| 01/26/1999 | CA2139470C Ground fault interrupter wiring device with improved latching and actuating components |
| 01/20/1999 | CN2304997Y Automatic phase-off protective knife-blade switch |
| 01/20/1999 | CN2304996Y Three phase electric leakage breaker with protective terminals |
| 01/20/1999 | CN2304994Y Small size closed normally shut contactor |
| 01/19/1999 | US5862029 Resettable immersion detecting circuit interrupter (IDCI) |
| 01/19/1999 | US5861784 Manual override mechanism for a remote controlled circuit breaker |
| 01/19/1999 | US5861702 Piezoelectrically actuated ground fault interrupter circuit apparatus |
| 01/19/1999 | US5861591 Circuit breaker operator which actuates toggle and push button switches and has a misalignment indicator |
| 01/19/1999 | CA2139471C Ground fault interrupter wiring device with improved moveable contact system |
| 01/12/1999 | CA2112517C Safety electrical assembly for electric power equipment |
| 01/12/1999 | CA2111960C Automatic miniature circuit breaker with z-axis assemblable current response mechanism |
| 01/07/1999 | EP0889488A1 Soft magnetic alloy of the Fe-Ni-Cr-Ti type for magnetic circuit of a high sensitive relay |
| 01/07/1999 | DE19727826A1 Electrical installation device with memory element |
| 01/06/1999 | CN2303378Y Automatic earthing and cutting amplitude arrangement for electric appliance |
| 12/30/1998 | EP0887829A2 Circuit interrupter with covered accessory case, adjustable under voltage relay, self-retaining collar and one-piece rail attachment |
| 12/23/1998 | EP0815630B1 Electrical differential protection apparatus with a test circuit |
| 12/22/1998 | CA2066714C Energy management accessory for circuit breaker |
| 12/16/1998 | EP0884748A2 Method for calibrating a thermal trip device of an electrical switchgear |
| 12/16/1998 | EP0883887A1 Zero current circuit interruption |