Breaker

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Ein Leitungsschutzschalter, kurz LS-Schalter bzw. englisch Miniature Circuit Breaker, umgangssprachlich auch Sicherungsautomat oder kurz Automat bzw. Sicherung genannt, ist eine Überstromschutzeinrichtung in der Elektroinstallation. Circuit breakers are characterised essentially by (i) their nominal rating (rating beyond which the circuit breaker is tripped and breaks the circuit); (ii) breaking. Englisch-Deutsch-Übersetzungen für breaker im Online-Wörterbuch schoonmaakbedrijfklarenbeek.nl (​Deutschwörterbuch). Übersetzung für 'breaker' im kostenlosen Englisch-Deutsch Wörterbuch von LANGENSCHEIDT – mit Beispielen, Synonymen und Aussprache. breaker Bedeutung, Definition breaker: 1. a wave moving towards the coast: 2. someone who uses force to go into or open the stated thing.

Breaker

Übersetzung Englisch-Deutsch für breaker im PONS Online-Wörterbuch nachschlagen! Gratis Vokabeltrainer, Verbtabellen, Aussprachefunktion. Lernen Sie die Übersetzung für 'breaker' in LEOs Englisch ⇔ Deutsch Wörterbuch. Mit Flexionstabellen der verschiedenen Fälle und Zeiten ✓ Aussprache und. Circuit Breaker ist: eine Überstromschutzeinrichtung; eine Comicfigur von Marvel; ein Pseudonym des Musikers Richie Hawtin; ein Technologieblog des. Lernen Sie die Übersetzung für 'breaker' in LEOs Englisch ⇔ Deutsch Wörterbuch. Mit Flexionstabellen der verschiedenen Fälle und Zeiten ✓ Aussprache und. Lernen Sie die Übersetzung für 'breakers' in LEOs Englisch ⇔ Deutsch Wörterbuch. Mit Flexionstabellen der verschiedenen Fälle und Zeiten ✓ Aussprache. Übersetzung Englisch-Deutsch für breaker im PONS Online-Wörterbuch nachschlagen! Gratis Vokabeltrainer, Verbtabellen, Aussprachefunktion. Breaker steht für: eine Kurzform von breakdancer, siehe Breakdance; ein Fahrgeschäft auf Volksfesten, siehe Breakdance (Fahrgeschäft); ein Musikalbum der. Circuit Breaker ist: eine Überstromschutzeinrichtung; eine Comicfigur von Marvel; ein Pseudonym des Musikers Richie Hawtin; ein Technologieblog des.

Breaker Video

What the Bible Says about Riots and Rioting Breaker Wozu möchten Sie uns Feedback geben? There is no Breaker indication of the Firma Tiger of wind Beste Spielothek in GroГџ Tarup finden, skycourts, fixed shading, double skin facade, and central atrium ventilation. Rekordergebnis nt. Nach dem Brechen schlug man mit einem flachen Stück Holz Fritzbox Dsl Leuchtet Nicht die Faserbündel, um die letzten Holzkernstücke Risiko Computerspiel entfernen. Klicken Sie auf die Pfeile, um die Übersetzungsrichtung zu ändern. Word lists shared by our community of dictionary fans. Definitionen Klare Erklärungen von natürlichem geschriebenem und gesprochenem Englisch. Examples of application: earth moving and loading machines and especially buckets, cutting edges, knives and breakers. Englisch Beispiele Übersetzungen. Base The Base of the Glidecam Gold Sled has a three NP-1 style battery system that delivers 12 volts to the base for the monitor and delivers either 12 or 24 volts switchable to the head for use with video or film cameras.

There is no plot. There is no reason why this movie shouldn't be banished from the earth! The fight scenes are ridiculous which is uncommon for a Chuck Norris film There is one big fight scene that, at some point, gives off a definite homo-erotic's-porno "vibe".

Not the kind of thing one would expect from Chuck Norris. I commend him for having risen out of the ashes of this heap of trash to become the "Walker: Texas Ranger" that we all know and love today.

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Metacritic Reviews. Photo Gallery. Trailers and Videos. Crazy Credits. Alternate Versions. Rate This. Director: Don Hulette. Writer: Terry Chambers.

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User Polls What is your favourite fighting style? Edit Cast Cast overview, first billed only: Chuck Norris John David 'J.

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A Force of One Action Crime Drama. Good Guys Wear Black To correct this, the breaker applies certain well-known aids, which it is unnecessary here to repeat.

They threw themselves upon the beach and clung "tooth and toenail" when the breaker receded. We passed the sail into the boat, and lowered a bread-bag, a kid full of beef and pork, and a breaker of fresh water.

At last the mate gained his point, and the men each took a breaker , and went up to the cabin for the water. Citizens Band Radio Slang.

Also called breaker strip. Also called prairie breaker. This windfall of words will make you rich with knowledge. Mine your memory on the words from July 27 to August 2!

Origin of breaker 1 Middle English word dating back to —75; see origin at break , -er 1. Words nearby breaker breakbeat , breakbone fever , breakdown , breakdown van , breakdown voltage , breaker , breaker card , breaker strip , breaker zone , breakerless ignition , breakeven chart.

Origin of breaker 2 —35; said to be alteration of Spanish bareca, variant of barrica small keg.

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Also called breaker strip. Also called prairie breaker. This windfall of words will make you rich with knowledge.

Mine your memory on the words from July 27 to August 2! Origin of breaker 1 Middle English word dating back to —75; see origin at break , -er 1.

Words nearby breaker breakbeat , breakbone fever , breakdown , breakdown van , breakdown voltage , breaker , breaker card , breaker strip , breaker zone , breakerless ignition , breakeven chart.

Origin of breaker 2 —35; said to be alteration of Spanish bareca, variant of barrica small keg. Words related to breaker surf , billow , destroyer , wave , roller.

Example sentences from the Web for breaker Ariana Grande, leader of men and breaker of chains, makes quick work of the sad cages and frees her friends.

Derrick Sterling Kirk Monroe. The Barb and the Bridle Vielle Moustache. Miles Wallingford James Fenimore Cooper. These typically require a separate power source, such as a battery , although some high-voltage circuit breakers are self-contained with current transformers , protective relays , and an internal control power source.

Once a fault is detected, the circuit breaker contacts must open to interrupt the circuit; this is commonly done using mechanically stored energy contained within the breaker, such as a spring or compressed air to separate the contacts.

Circuit breakers may also use the higher current caused by the fault to separate the contacts, such as thermal expansion or a magnetic field.

Small circuit breakers typically have a manual control lever to switch off the load or reset a tripped breaker, while larger units use solenoids to trip the mechanism, and electric motors to restore energy to the springs.

The circuit breaker contacts must carry the load current without excessive heating, and must also withstand the heat of the arc produced when interrupting opening the circuit.

Contacts are made of copper or copper alloys, silver alloys and other highly conductive materials. Service life of the contacts is limited by the erosion of contact material due to arcing while interrupting the current.

Miniature and molded-case circuit breakers are usually discarded when the contacts have worn, but power circuit breakers and high-voltage circuit breakers have replaceable contacts.

When a high current or voltage is interrupted, an arc is generated. The length of the arc is generally proportional to the voltage while the intensity or heat is proportional to the current.

This arc must be contained, cooled and extinguished in a controlled way, so that the gap between the contacts can again withstand the voltage in the circuit.

Different circuit breakers use vacuum , air, insulating gas , or oil as the medium the arc forms in. Different techniques are used to extinguish the arc including:.

Finally, once the fault condition has been cleared, the contacts must again be closed to restore power to the interrupted circuit. Low-voltage miniature circuit breakers MCB use air alone to extinguish the arc.

These circuit breakers contain so-called arc chutes, a stack of mutually insulated parallel metal plates that divide and cool the arc.

By splitting the arc into smaller arcs the arc is cooled down while the arc voltage is increased and serves as an additional impedance that limits the current through the circuit breaker.

The current-carrying parts near the contacts provide easy deflection of the arc into the arc chutes by a magnetic force of a current path, although magnetic blowout coils or permanent magnets could also deflect the arc into the arc chute used on circuit breakers for higher ratings.

The number of plates in the arc chute is dependent on the short-circuit rating and nominal voltage of the circuit breaker.

In larger ratings, oil circuit breakers rely upon vaporization of some of the oil to blast a jet of oil through the arc. Gas usually sulfur hexafluoride circuit breakers sometimes stretch the arc using a magnetic field, and then rely upon the dielectric strength of the sulfur hexafluoride SF 6 to quench the stretched arc.

Vacuum circuit breakers have minimal arcing as there is nothing to ionize other than the contact material. Vacuum circuit breakers are frequently used in modern medium-voltage switchgear to 38, volts.

Air circuit breakers may use compressed air to blow out the arc, or alternatively, the contacts are rapidly swung into a small sealed chamber, the escaping of the displaced air thus blowing out the arc.

Circuit breakers are usually able to terminate all current very quickly: typically the arc is extinguished between 30 ms and ms after the mechanism has been tripped, depending upon age and construction of the device.

The maximum current value and let-through energy determine the quality of the circuit breakers. Circuit breakers are rated both by the normal current that they are expected to carry, and the maximum short-circuit current that they can safely interrupt.

This latter figure is the ampere interrupting capacity AIC of the breaker. Under short-circuit conditions, the calculated or measured maximum prospective short-circuit current may be many times the normal, rated current of the circuit.

When electrical contacts open to interrupt a large current, there is a tendency for an arc to form between the opened contacts, which would allow the current to continue.

This condition can create conductive ionized gases and molten or vaporized metal, which can cause the further continuation of the arc, or creation of additional short circuits, potentially resulting in the explosion of the circuit breaker and the equipment that it is installed in.

Therefore, circuit breakers must incorporate various features to divide and extinguish the arc. The maximum short-circuit current that a breaker can interrupt is determined by testing.

Application of a breaker in a circuit with a prospective short-circuits current higher than the breaker's interrupting capacity rating may result in failure of the breaker to safely interrupt a fault.

In a worst-case scenario, the breaker may successfully interrupt the fault, only to explode when reset. Miniature circuit breakers used to protect control circuits or small appliances may not have sufficient interrupting capacity to use at a panel board; these circuit breakers are called "supplemental circuit protectors" to distinguish them from distribution-type circuit breakers.

Circuit breakers are manufactured in standard sizes, using a system of preferred numbers to cover a range of ratings. Miniature circuit breakers have a fixed trip setting; changing the operating current value requires changing the whole circuit breaker.

Larger circuit breakers can have adjustable trip settings, allowing standardized elements to be applied but with a setting intended to improve protection.

For example, a circuit breaker with a ampere "frame size" might have its overcurrent detection set to operate at only amperes, to protect a feeder cable.

The circuit breaker is labeled with the rated current in amperes , but excluding the unit symbol, A. Instead, the ampere figure is preceded by a letter, B , C , or D , which indicates the instantaneous tripping current — that is, the minimum value of current that causes the circuit breaker to trip without intentional time delay i.

For the protection of loads that cause frequent short duration approximately ms to 2 s current peaks in normal operation. For the protection of loads such as semiconductor devices or measuring circuits using current transformers.

Circuit breakers are also rated by the maximum fault current that they can interrupt; this allows use of more economical devices on systems unlikely to develop the high short-circuit current found on, for example, a large commercial building distribution system.

In the United States, Underwriters Laboratories UL certifies equipment ratings, called Series Ratings or "integrated equipment ratings" for circuit breaker equipment used for buildings.

Power circuit breakers and medium- and high-voltage circuit breakers used for industrial or electric power systems are designed and tested to ANSI or IEEE standards in the C37 series.

Many classifications of circuit breakers can be made, based on their features such as voltage class, construction type, interrupting type, and structural features.

Low-voltage less than 1, V AC types are common in domestic, commercial and industrial application, and include:. The characteristics of low-voltage circuit breakers are given by international standards such as IEC These circuit breakers are often installed in draw-out enclosures that allow removal and interchange without dismantling the switchgear.

Large low-voltage molded case and power circuit breakers may have electric motor operators so they can open and close under remote control. These may form part of an automatic transfer switch system for standby power.

Low-voltage circuit breakers are also made for direct-current DC applications, such as DC for subway lines. Direct current requires special breakers because the arc is continuous—unlike an AC arc, which tends to go out on each half cycle, direct current circuit breaker has blow-out coils that generate a magnetic field that rapidly stretches the arc.

Small circuit breakers are either installed directly in equipment, or are arranged in a breaker panel. The DIN rail -mounted thermal-magnetic miniature circuit breaker is the most common style in modern domestic consumer units and commercial electrical distribution boards throughout Europe.

The design includes the following components:. Solid-state circuit breakers , also known as digital circuit breakers are a technological innovation which promises advance circuit breaker technology out of the mechanical level, into the electrical.

This promises several advantages, such as cutting the circuit in fractions of microseconds, better monitoring of circuit loads and longer lifetimes.

Magnetic circuit breakers use a solenoid electromagnet whose pulling force increases with the current.

Certain designs utilize electromagnetic forces in addition to those of the solenoid. The circuit breaker contacts are held closed by a latch.

As the current in the solenoid increases beyond the rating of the circuit breaker, the solenoid's pull releases the latch, which lets the contacts open by spring action.

They are the most commonly used circuit breakers in the USA. Thermal magnetic circuit breakers , which are the type found in most distribution boards in Europe and countries with a similar wiring arrangements, incorporate both techniques with the electromagnet responding instantaneously to large surges in current short circuits and the bimetallic strip responding to less extreme but longer-term over-current conditions.

The thermal portion of the circuit breaker provides a time response feature, that trips the circuit breaker sooner for larger over currents but allows smaller overloads to persist for a longer time.

This allows short current spikes such as are produced when a motor or other non-resistive load is switched on. With very large over-currents during a short-circuit, the magnetic element trips the circuit breaker with no intentional additional delay.

A magnetic-hydraulic circuit breaker uses a solenoid coil to provide operating force to open the contacts. Magnetic-hydraulic breakers incorporate a hydraulic time delay feature using a viscous fluid.

A spring restrains the core until the current exceeds the breaker rating. During an overload, the speed of the solenoid motion is restricted by the fluid.

The delay permits brief current surges beyond normal running current for motor starting, energizing equipment, etc. Short-circuit currents provide sufficient solenoid force to release the latch regardless of core position thus bypassing the delay feature.

Ambient temperature affects the time delay but does not affect the current rating of a magnetic breaker. Large power circuit breakers, applied in circuits of more than volts, may incorporate hydraulic elements in the contact operating mechanism.

Hydraulic energy may be supplied by a pump, or stored in accumulators. These form a distinct type from oil-filled circuit breakers where oil is the arc extinguishing medium.

To provide simultaneous breaking on multiple circuits from a fault on any one, circuit breakers may be made as a ganged assembly. This is a very common requirement for 3 phase systems, where breaking may be either 3 or 4 pole solid or switched neutral.

Some makers make ganging kits to allow groups of single phase breakers to be interlinked as required. In the US, where split phase supplies are common, in branch circuits with more than one live conductor, each live conductor must be protected by a breaker pole.

To ensure that all live conductors are interrupted when any pole trips, a "common trip" breaker must be used.

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