3000759

Series:	EC
Part Status:	Active
Lead Free Status / RoHS Status:	--
Breaker Type:	Solid State
Current Rating:	10A
Voltage Rating - DC:	12V
Number of Poles:	1
Actuator Type:	Slide Switch
Illumination:	--
Illumination Voltage (Nominal):	--
Mounting Type:	DIN Rail

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Circuit BreakersA circuit breaker is an electrical device that helps to protect, control and manage electrical circuits. It is used to interrupt the flow of current in a circuit, either temporarily (for fault detection) or permanently (when circuits are overloaded). Circuit breakers are designed to trip and then reset themselves automatically, allowing the circuit to safely continue functioning.The most common type of circuit breaker is the 3000759 (CB), which is the most commonly used type of circuit breaker in electrical distribution systems. The 3000759 CB is used to protect the circuit from short circuits, contamination, and other overloads that can occur in normal operation. The 3000759 CB is designed with a thermal-magnetic mechanism, which is based on both thermal and magnetic principles.The thermal principle is used to detect heat generated through the presence of a current fault and initiate the circuit breaker’s opening, breaking the flow of current in the circuit and protecting it from further damage. The thermal effect is based on the fact that when a current passes through a conductor, the conductor and the surrounding air will heat up. Higher currents cause elements (such as the plating on the breaker) to have higher temperatures, and this can act as an indicator of a circuit fault. If the current rises to a pre-determined trip level, then a bimetal element of the breaker will flex due to the increased heat and open the breaker.The magnetic principle in a 3000759 CB uses an electromagnet to move a spring-loaded armature to trip the breaker. When current flows through the electromagnet, it creates an electromagnetic field, which pulls the spring-loaded armature up, and this armature then moves a lever to open the breaker contact. The amount of current needed to pull the armature up is known as the trip point, and this is adjustable depending on the type and size of the current that needs to be protected from.Overall, the circuit breaker plays a crucial role in keeping electrical circuits safe and reliable. When a circuit overload is detected, the 3000759 CB’s thermal-magnetic mechanism kicks in and quickly trips the breaker, preventing the circuit from being damaged or destroyed. The ability to quickly distinguish between normal and excessive currents is invaluable, and circuit breakers are able to accurately detect this difference and safely interrupt the circuit. This makes them essential components in any system of electrical safety.

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