Patents
Sitemap › H01 - Basic electric elements › H01H - Electric switches; Relays; Selectors; Emergency protective devices › 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
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)
01/2013
01/02/2013CN102129924B Arc extinguish chamber structure of breaker
01/02/2013CN101794684B Switching mechanism capable of indicating contacts status and mold cased circuit breaker having the same mechanism
12/2012
12/27/2012DE102011077883A1 Electric power switch has electrical contact bridge that is permanently held in OFF position for short periods after pivoting contact bridge from ON position to OFF position
12/26/2012CN202633196U Protection type moulded case circuit breaker
12/26/2012CN102157312B Arc extinguishing device for miniature circuit breaker
12/26/2012CN101986415B Arc extinguishing chamber of molded case low voltage circuit breaker
12/26/2012CN101432836B Devices, systems, and methods for shunting a circuit breaker
12/20/2012US20120320487 Medium Voltage Circuit Breaker
12/20/2012US20120320486 Arc flash system for a power circuit
12/19/2012CN202616167U Small-size circuit breaker arc extinguishing system
12/19/2012CN202616166U Electric leakage breaker
12/19/2012CN202616089U An electric switch using a flame-retarding and insulating separating plate as a breaking medium
12/19/2012CN102832083A Arc extinguish chamber of miniature circuit breaker
12/19/2012CN101958211B Circuit-breaker automatic closing contact device with high breaking capacity
12/13/2012WO2012167331A1 Fault current limiter
12/13/2012WO2012167330A1 Compact permanent magnet fault current limiter
12/13/2012WO2012167329A1 A fault current limiter
12/13/2012CA2876522A1 Fault current limiter
12/12/2012CN202601538U Small-sized direct-current circuit breaker provided with arc striking system
12/12/2012CN202601537U Small-size breaker with arc igniting system
12/12/2012CN202601536U Minitype breaker and moving contact applied to minitype breaker
12/12/2012CN202601531U Direct-current circuit breaker
12/12/2012CN102820185A Arc extinguishing grid piece device on circuit breaker
12/12/2012CN102820184A Bridge-shaped contact structure for breaker
12/05/2012CN202585298U Leakage circuit breaker with non-symmetrical double-arc-strike device
12/05/2012CN202585297U Arc guiding mechanism of miniature circuit breaker
12/05/2012CN202585296U Arc extinguish chamber used for molded case circuit breaker
12/05/2012CN202585295U Moving contact connecting device of circuit breaker
12/05/2012CN202585294U Improved moving contact of circuit breaker
12/05/2012CN102810437A Arc extinguishing device for circuit breaker
12/05/2012CN102129925B Arc-extinguishing chamber of circuit breaker with free-eliminating device
12/05/2012CN101503540B Arc-extinguishing processed resin article and circuit breaker that uses same
11/2012
11/29/2012WO2012160732A1 Circuit breaker
11/28/2012EP2526558A1 Arc chamber employing a number of gassing inserts to form a number of gas flow circulation paths and electrical switching apparatus including the same
11/28/2012CN202564160U Mini-type plastic shell breaker
11/28/2012CN202564159U Fixed contact supporting device for circuit breaker
11/28/2012CN102804528A Apparatus For Protecting Direct Current Branch Circuit
11/28/2012CN102800540A Circuit breaker
11/28/2012CN102800539A Movable static contact structure of small current moulded case circuit breaker with current limiting device
11/28/2012CN101728052B Release electromagnet device
11/28/2012CN101580609B Arc extinguishing resin processed article and circuit breaker using the same
11/28/2012CN101170029B Electrical switching apparatus, and housing and integral pole shaft bearing assembly therefor
11/28/2012CN101159203B A low-voltage circuit breaker, method for assembling low-voltage circuit breaker and changing pole thereof
11/27/2012US8317301 Printing nozzle arrangement having fault detector
11/24/2012CA2777279A1 Electrical switching apparatus, and arc chute and venting assembly therefor
11/21/2012CN202549758U Arc guide device of low-voltage circuit breaker
11/21/2012CN202549757U Circuit breaker
11/21/2012CN202549756U Micro direct current breaker
11/21/2012CN202549755U Arc extinguishing system for plastic shell breaker with arc regurgitating preventing function
11/21/2012CN202549754U Arc extinguishing system of molded case circuit breaker
11/21/2012CN202549753U Improved universal circuit breaker applied to 1140V circuit
11/21/2012CN202549748U Circuit breaker and contact piece assembly for same
11/21/2012CN102792405A Arc chamber employing a number of gassing inserts to form a number of gas flow circulation paths and electrical switching apparatus including the same
11/21/2012CN102792403A Circuit breaker trip unit support
11/21/2012CN102789931A Arc extinguishing device of circuit breaker with reverse current protection
11/21/2012CN102789930A Circuit breaker
11/21/2012CN102005345B Arc extinguishing module of molded case low-voltage circuit breaker
11/21/2012CN101770908B Elastic pressing unit and molded case circuit breaker having the same
11/21/2012CN101354988B Residual current device for an electric circuit breaker
11/14/2012CN202534614U Moulded case circuit breaker
11/14/2012CN202534613U Transverse blowing arc extinguishing system of plastic casing breaker
11/14/2012CN202531703U Pressure spring of main contact of circuit breaker
11/14/2012CN102782794A Electrical line protection lock mechanism with a differential function
11/14/2012CN101765895B Electrical protective device
11/14/2012CN101609768B Circuit breaker and handle locking device thereof
11/13/2012US8310322 Solenoid actuator with an integrated mechanical locking and unlocking fixture
11/07/2012CN202523660U Low-voltage breaker
11/07/2012CN202523659U Breaker arc-extinguishing apparatus
11/07/2012CN202523600U Contact assembly and breaker comprising the same
11/07/2012CN102768925A Arc extinguishing chamber for breaker
11/07/2012CN101542668B Double break installation switchgear
11/07/2012CN101256921B Fault circuit breaker
11/07/2012CN101236867B Overcurrent tripping device for circuit breaker
10/2012
10/31/2012CN202513110U Breaker capable of improving breaking capacity
10/31/2012CN102760621A Circuit breaker capable of improving breaking capacity
10/26/2012WO2012142739A1 Contact arm for switch device and circuit breaker thereof
10/24/2012CN202502965U Low-voltage circuit breaker
10/24/2012CN202502963U Three-phase transfer switch type leakage protector
10/24/2012CN102751147A Low voltage universal breaker arc extinguish chamber
10/18/2012DE102011016933A1 Kontakteinrichtung und deren Antrieb für Schutzschaltgeräte Contact means and their drive for circuit-protection devices
10/17/2012CN102737920A Insulating material molding body for arc extinction and circuit breaker using same
10/17/2012CN102737919A Bridge-type contact for circuit breaker
10/10/2012EP2509091A1 Auxiliary device of circuit breaker
10/10/2012CN202487514U Pre-paid small circuit breaker
10/10/2012CN202487513U Arc striking sheet of miniature circuit breaker
10/10/2012CN102723248A Static contact arc-striking piece
10/10/2012CN101814402B Parallel type circuit breakers based on tightly coupled air reactor
10/10/2012CN101373671B Switching device with a switching shaft for mounting a rotary contact link and multipole switching device arrangement
10/03/2012CN202473800U Small-size circuit breaker
10/03/2012CN202473799U Small-sized circuit breaker
10/03/2012CN202473798U High-breaking minisize breaker
10/03/2012CN202473793U Magnet yoke, assembly and breaker
10/03/2012CN101986413B Moving contact clamping mechanism for molded case low-voltage breaker
10/03/2012CN101604600B Multi-stage breaker with auxiliary supports
10/03/2012CN101159204B A low-voltage circuit breaker with sealed interchangeable poles.
10/02/2012US8279574 Emergency lighting system
10/02/2012US8278600 Welding contractor apparatus with improved heat dissipation
09/2012
09/26/2012CN202454514U Small prepayment breaker
09/26/2012CN202454513U Small circuit breaker
09/26/2012CN202454512U Contact terminal device of circuit breaker
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