Patents
Patents for H01H 73 - Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism (6,696)
05/1998
05/06/1998CN2280995Y Fork-chuck-pulling type operation mechanism of plastic-casing circuit breaker
05/06/1998CN2280994Y Self-detection device for pressure-sensitive element of power supply lightning protector
04/1998
04/29/1998EP0691031B1 Double break circuit breaker having improved secondary section
04/28/1998US5744772 Molded case circuit breaker with arc suppressant features including magnetically permeable arc horn mounted on the contact arm
04/23/1998DE19643643A1 Protective circuit breaker with arc quenching chamber and deioniser
04/21/1998US5742219 Switchable circuit breaker
04/15/1998CN1038079C 断路器 Breaker
04/08/1998CN2278271Y Circuit breaker with mechanical interlocking protector
04/08/1998CN2278266Y Burn-resistant contact breaker for three-phase motor
04/01/1998EP0707614B1 Polymeric material for low voltage switchgear
03/1998
03/25/1998EP0750788B1 Current-limiting switch
03/18/1998CN2276666Y Fixed both ends abnormal shape connection board
03/18/1998CN1037794C A circuit breaker
03/12/1998WO1998010456A1 Overcurrent circuit breaker
03/12/1998WO1998010455A1 Circuit breaker and method of manufacturing the same
03/12/1998WO1998010451A1 Low-voltage circuit breaker with a drive device
03/12/1998DE19647777A1 Overcurrent protection switch with thermal release
03/12/1998DE19637678A1 Niederspannungs-Leistungsschalter mit einer Antriebsvorrichtung Low-voltage circuit breaker with a drive device
03/10/1998US5726846 Trip device comprising at least one current transformer
03/05/1998WO1998009307A1 Mobile switching contact arrangement with contact force springs
03/05/1998WO1998009306A1 Mobile switching device with a support accommodating contact levers
03/04/1998EP0746864A4 Solid state circuit breaker
03/04/1998CN1175072A Breaker
02/1998
02/26/1998WO1998008240A1 Movable contact arrangement for a low-voltage circuit breaker with a pivot bearing
02/26/1998DE19635366A1 Bewegbare Kontaktanordnung für einen Niederspannungs-Leistungsschalter mit einem Schwenklager Movable contact arrangement for a low-voltage circuit breaker with a pivot bearing
02/19/1998DE19632726A1 Electrical circuit breaker mountable on lower part of low-voltage/high-power fuse
02/18/1998CN1173728A Reversing spring contact switching mechanism and thermal overload relay
02/12/1998DE19732882A1 Modified fault current triple-pole circuit-breaker
02/11/1998CN2274374Y Electric-lock controlled safety automatic air-switch
02/11/1998CN1173033A Circuit breaker
02/11/1998CN1037382C Circuit breaker mechanism
01/1998
01/21/1998EP0820084A2 Operating device for circuit breakers
01/15/1998WO1998001883A1 Electrical circuit breakers
01/15/1998DE19729174A1 Circuit breaker e.g. cut=out switch, safety cut=out, or fault-current circuit-breaker switch for LV communications network
01/14/1998EP0694204B1 Arc stack for a circuit breaker
01/14/1998CN1170225A 电路断路器 Circuit breaker
12/1997
12/31/1997CN1036881C Trip interlock structure
12/24/1997CN1036812C Electromagnetic switching mechanism for electrical safety switches
12/16/1997US5699222 Apparatus and method for programming and reviewing a plurality of parameters of electrical switching device
12/04/1997WO1997045852A1 Fast tripping electrical switching device
12/03/1997CN2269633Y Two function high voltage ac vacuum switch
12/02/1997US5694106 Safety switch with overload protection circuit
11/1997
11/26/1997EP0809270A2 Reversing spring contact switching mechanism and thermal overload relay
11/20/1997WO1997043775A1 Circuit breaker for low tension with connecting bars
11/20/1997DE19643607A1 LV power switch with contact system and connection rails
11/12/1997EP0806781A1 A circuit for the protected supply of an electrical load
11/12/1997CN1164751A Alarm device of circuit breaker
11/05/1997EP0804800A2 Device for forcible separation of main supply lines in switching devices
11/05/1997CN1164117A Circuit breaker and manufacturing method therefor
11/05/1997CN1164114A Multipolar circuit breaker
10/1997
10/22/1997EP0756752B1 Low voltage power switch with a switching chamber
10/21/1997US5680081 For passing current during a normal condition
10/15/1997CN2264972Y Built-in low-voltage breaker
10/01/1997EP0797834A1 Interface connection for a circuit breaker plug-in trip unit
10/01/1997EP0656148B1 Circuit breaker with pivoting control buttons
10/01/1997CN1161102A Operation of residual current apparatus
09/1997
09/12/1997WO1997023887A3 Thermal triggering system
09/10/1997CN2262295Y Small circuit breaker
09/03/1997CN2261674Y Multifunctional weak current quick action fusing relay protector
09/03/1997CN2261673Y Insulation tube for falling safety switch
08/1997
08/19/1997CA2119211C Instrument switch having integrated overcurrent protection
08/07/1997WO1997028546A1 Circuit breaker
08/07/1997WO1997018571A3 Device for forcible separation of main supply lines in switching devices
08/07/1997EP0804800A3 Device for forcible separation of main supply lines in switching devices
08/06/1997EP0788128A2 Circuit breaker and manufacturing method therefor
08/06/1997CN1156517A Electrically controlled tripping mechanism
07/1997
07/31/1997WO1997027602A1 Electrical switching device
07/30/1997CN1155747A Multifunctional quick-action fusing delay protector with weak current
07/30/1997CN1155746A Molded-case multicircuit breakers
07/24/1997DE19602118A1 Elektrisches Schaltgerät Electrical switching apparatus
07/22/1997US5650907 Circuit breaker
07/03/1997WO1997023887A2 Thermal triggering system
07/02/1997EP0781453A1 Arc-resistant shield for protecting a movable contact carrier of a circuit breaker
07/02/1997CN2257401Y Automatic fuse tongs for double fast-breaking high-voltage falling type switch
06/1997
06/26/1997DE19548479A1 Thermisches Auslösesystem Thermal release system
06/25/1997CN1035280C 缓冲机构 Buffering mechanism
06/18/1997CN1152183A Circuit breaking device
06/11/1997EP0777906A1 Circuit breaker arrangement for protection against electrical arcs
06/03/1997US5635886 Cutoff structure for circuit breaker
06/03/1997US5634554 Interface connection for a circuit breaker plug-in trip unit
05/1997
05/27/1997US5633618 Fuseless plug with safety circuit breaker
05/22/1997WO1997018571A2 Device for forcible separation of main supply lines in switching devices
05/22/1997DE19542690A1 Vorrichtung zum zwangsweisen Trennen von Netzleitungen bei Schaltgeräten Means for forcibly disconnecting power lines for switching devices
05/21/1997EP0774822A1 Apparatus and method for programming and reviewing a plurality of parameters of an electrical switching device
05/15/1997WO1997017713A1 A display unit for the tripping device
05/14/1997CN1149752A Gravity power-off household current protector
05/07/1997DE19540972A1 Current-limiting contact system for LV circuit-breaker
04/1997
04/23/1997EP0769199A1 Operation of residual current devices
04/23/1997EP0769198A1 Electrically controlled tripping mechanism
04/23/1997CN2253050Y Current over-load protector with improved structure
04/16/1997CN1147707A Assembly device of screw/nut type and electrical terminal, notably for circuit breaker, using this device
04/16/1997CN1147683A Circuit breaker
04/16/1997CN1034616C Switch structure for circuit breaker
04/09/1997EP0660965B1 Push-button actuated safety switch
04/09/1997EP0593733B1 Automatic miniature circuit breaker with z-axis assemblable contact assembly
04/09/1997CN2251790Y Slide type reversing swtich
04/09/1997CN1147140A Circuit breaker
04/08/1997US5618858 Polymer material
04/02/1997CN1146824A Secondary disconnect assembly for high ampere-circuit breaker
03/1997
03/26/1997EP0764961A1 Remote control residential circuit breaker
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