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circuit breaker

circuit breaker electric device that, like a fuse , interrupts an electric current in a circuit when the current becomes too high. The advantage of a circuit breaker is that it can be reset after it has been tripped; a fuse must be replaced after it has been used once. When a current supplies enough energy to operate a trigger device in a breaker, a pair of contacts conducting the current are separated by preloaded springs or some similar mechanism. Generally, a circuit breaker registers the current either by the current's heating effect or by the magnetism it creates in passing through a small coil. Because it is usual for an electric arc to form between the contacts when a breaker opens, some means must be provided for preventing rapid erosion of the contacts. Normally this is done by opening the contacts fast enough to make the arc of short duration.

Related newspaper, magazine, and trade journal articles from HighBeam Research

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	Circuit breaker check.(M1142 Tactical Fire Fighting Truck ...)(Cartoon) Magazine article from: PS, the Preventive Maintenance Monthly; 2/1/2009; 81 words ; ...ILLUSTRATION OMITTED] * Take a close look at the circuit breaker where it's mounted on the left door's stay rod bracket. Lettering on circuit breaker should be visible on lower side of breaker Circuit breaker should have 20A printed on it 20A indicates... Read more
	Circuit breaker.(products) Magazine article from: Diesel Progress North American Edition; 5/1/2005; 81 words ; ...introduction of the Series 187 marine rated circuit breaker (MRCB). This new class of thermal circuit breaker is designed to be utilized in the...It is a Type 3 manual reset style circuit breaker with a switching function and is available... Read more
	Remote-operated circuit breaker. Magazine article from: Designfax; 3/1/2001; 62 words ; Remote-operated circuit breaker, Booth 9162. These circuit breakers consist of a custom-design...remote-operated motor, which is housed within the circuit breaker molding, coupled to a C-series hydraulic-magnetic circuit breaker. The package can be easily mounted into existing ... Read more
	Circuit breaker. (Products).(WAGO Series 282 DIN rail mount)(Brief Article) Magazine article from: Railway Age; 4/1/2003; 132 words ; WAGO offers a pluggable thermal circuit breaker for the WAGO Series 282 DIN rail mount...applications. Combining the new thermal circuit breaker with the WAGO Cage Clamp terminal...time and saves money. The plug-in circuit breaker features a push button reset, thus... Read more
	Selective circuit breaker: individual circuit protection for factory systems. (Five Star: Product of the Month). Magazine article from: Designfax; 2/1/2003; ; 588 words ; ...IL, has introduced a circuit breaker system that can selectively...technologies -- a mechanical circuit breaker and an elaborate electronic...isolation of the load circuit during an overload...6A thermal-magnetic circuit breaker trips within 10 seconds...like a conventional ... Read more
	Smart circuit breaker.(Top Product) Magazine article from: Designfax; 5/1/2004; 157 words ; ...protection * intelligent control The E-1048-800 smart circuit breaker combines solid state switching, electronic circuit protection, analog signal output and diagnostic functions...0 to 5V analog output which is proportional to the current flowing through the device. If this output is ... Read more
	ADC INTROS CIRCUIT BREAKER PLATFORM FOR POWERED NETWORKS.(ADC Telecommunications PowerWorx Select Series Circuit Breaker Platform)(Product Announcement) Magazine article from: EDP Weekly's IT Monitor; 11/12/2001; 285 words ; ...introduced the PowerWorx Select Series Circuit Breaker Platform. The new offering extends...platform marks the first in a series of circuit breaker products offered by ADC. As networks...density, the PowerWorx Select Series circuit breaker platform supports up to 16 ... Read more
	Circuit breaker. (What's new: short reports on products & programs). Magazine article from: Building Products; 7/1/2002; ; 65 words ; ...interrupter (GFCI) into a single device, the Eaton combination circuit breaker protects against electrical fires and shock hazards and...installation time, says the maker. The Cutler-Hammer brand circuit breaker is available in 15- and 20-amp one-and two-pole units. 800-386-... Read more
	Circuit breaker control. Magazine article from: Medical Equipment Designer; 7/1/2001; 32 words ; The Control Indicator Module (CIM) features a built-in serial link and enables remote monitoring of up to three power circuit breaker trip coils for integrity while maintaining a local manual fail-safe switch. Read more
	Circuit breaker.(Electrical/Electronics: Power Sources) Magazine article from: Designfax; 5/1/2005; 77 words ; Designed in a fuseholder style, the T9 series of circuit breaker snaps into a 5/8 in. (16 mm) hole. Rated currents range from 5 to 16A, and the devices are cURus approved at 240VAC/48VDC for 5 to 8A, and 240VAC/32VDC for 10 to 16A. Terminals... Read more

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