About 1,323,831 results (1,973 milliseconds)

WO2003041105A1 - Low-voltage circuit breaker - Google Patents

https://patents.google.com/patent/WO2003041105A1/ko
LSIS Co., Ltd. Movable contactor assembly for current limiting type circuit breaker. CN102789930A (zh) *, 2011-05-18, 2012-11-21, 富士电机机器制御株式会社, 电路 ...

H01H 71 - Details of the protective switches or relays covered by ...

http://www.google.com/patents/sitemap/en/Sitemap/H01/H01H/H01H_71_42.html
EP2472537A1 Movable contactor assembly for current limiting type circuit breaker ... Limiting MCCB agencies and including limiting MCCB. 07/04/2012 ...

US7566840B2 - Contact arm mechanism for circuit breaker - Google ...

https://patents.google.com/patent/US7566840B2/en
... Current limiting low-voltage power circuit breaker. US6940032B2 * 2004-01-12 ... Electric Company Limiter type air circuit breaker with blow open arrangement.

CA2266536A1 - Circuit breakers with ptc (positive temperature ...

https://patents.google.com/patent/CA2266536A1/en
Figure 7 shows a sch~m~tic diagram of a type of circuit breaker that is a current limiter. The breaker is provided with a pair of main contacts, 145a and ...

H01H 73 - Protective overload circuit-breaking switches in which ...

https://www.google.com/patents/sitemap/en/Sitemap/H01/H01H/H01H_73_10.html
... current arc extinction system with current limiting and breaking function and limiting method of system ... breaker on basis of permanent magnetic circuit ...

US5667711A - Circuit breaker incorporating trip coil as shunt ...

https://patents.google.com/patent/US5667711A/en
A solenoid trip unit is electrically connected in parallel with a current limiting polymer element in series with circuit breaker contacts to function as a ...

US8159319B2 - Double-breaking contact system for a low voltage ...

https://patents.google.com/patent/US8159319B2/en
One technology includes the field of low-voltage current-limiting Molded Case Circuit Breakers (MCCBs). One of the primary functions is limitation of fault ...

WO2014102699A1 - A pole assembly of a circuit breaker in air ...

https://patents.google.com/patent/WO2014102699A1/en
Jul 3, 2014 ... ... current limiting type molded case circuit breaker. CN102339694B 2014-07-09 Small-sized molded case circuit breaker (MCCB). EP3345203B1 2019-08 ...

EP1388191A1 - Bypass circuit for the overcurrent trip of a low ...

https://patents.google.com/patent/EP1388191A1/en
The invention relates to a bypass circuit for the electronic overcurrent release of a current-limiting low-voltage circuit breaker with separate current sensors ...

US6218917B1 - Method and arrangement for calibration of circuit ...

https://patents.google.com/patent/US6218917B1/en
An early teaching of one such bimetal trip unit for residential type circuit breakers is found in U.S. Pat. ... Electric Company Contact arrangement for a current ...

US5430419A - Double break circuit breaker having improved ...

https://patents.google.com/patent/US5430419A/en
One type of circuit breaker mechanism employs a thermo-magnetic ... Current limiting circuit breaker. US3943316A * 1974-04-29 1976-03-09 Square D ...

US6310307B1 - Circuit breaker rotary contact arm arrangement ...

https://patents.google.com/patent/US6310307B1/en
... Electric Company Contact arrangement for a current limiting circuit breaker ... Slide type movable contactor assembly for circuit breaker. US20120175348A1 ...

US8274355B2 - Trip device - Google Patents

https://patents.google.com/patent/US8274355B2/en
The indirect heating type trip device may be adequate to a high voltage MCCB ... Electric Company Current limiting shunt for current limiting circuit breakers.

US10732223B2 - Circuit breaker health monitoring - Google Patents

https://patents.google.com/patent/US10732223B2/en
... Electric Company Contact arrangement for a current limiting circuit breaker ... kind of transformer differential protection method and device based on current ...

WO2002093709A1 - Bypass circuit for the overcurrent trip of a low ...

https://patents.google.com/patent/WO2002093709A1/en
The invention relates to a bypass circuit for the electronic overcurrent release of a current-limiting low-voltage circuit breaker with separate current sensors ...

US20090255906A1 - Arc chute assembly for a circuit breaker ...

https://patents.google.com/patent/US20090255906A1/en
... Electric Company Compact current limiting circuit breaker. US6248971B1 * 1998 ... Electric Company Limiter type air circuit breaker with blow open arrangement.

WO2010045790A1 - Load limiter device - Google Patents

https://patents.google.com/patent/WO2010045790A1/en
The present invention relates to electrical energy supplying field and, more particularly to supplying electrical energy with circuit paths having different ...

WO2012025803A1 - Electrical operating mechanism for molded ...

https://patents.google.com/patent/WO2012025803A1/en
Mar 1, 2012 ... ... current limiting circuit breaker. EP1981054A2 * 2007-04-09 2008-10-15 EATON Corporation Electrical switching apparatus accessory sub-assembly ...

US20150077199A1 - Double break contact system for moulded ...

https://patents.google.com/patent/US20150077199A1/en
1 a it would be found that the contact system is compression spring based non flappable type. ... US4220934A 1980-09-02 Current limiting circuit breaker with ...

US6222433B1 - Circuit breaker thermal magnetic trip unit - Google ...

https://patents.google.com/patent/US6222433B1/en
... TYPE SWITCHES DEPENDENT ON THE MAINS VOLTAGE ... Electric Company Self-resetting biasing devices for current limiting circuit breaker trip systems.