Series:	TMC 8
Part Status:	Active
Lead Free Status / RoHS Status:	--
Breaker Type:	Thermal Magnetic
Moisture Sensitivity Level (MSL):	--
Current Rating:	15A
Voltage Rating - AC:	480V
Voltage Rating - DC:	125V
Number of Poles:	2
Actuator Type:	Lever
Illumination:	--
Illumination Voltage (Nominal):	--
Mounting Type:	DIN Rail

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Circuit breakers are electrical devices that are designed to protect an electrical circuit from damage caused by an overload, short circuit, or other fault condition. A circuit breaker may also be used to automatically disconnect the power in a faulty circuit in order to prevent further damage from occurring. The circuit breaker is a key component in any power system, providing the necessary protection against over current or other detrimental conditions that could cause major problems. They are typically placed between the power source and the load to protect against faults.Circuit breakers are designed to prevent the electrical circuit from being overloaded beyond its safe current carrying capacity. This is achieved by monitoring the current flowing through the circuit, and if it exceeds the threshold set for safe operation, the breaker trips and disconnects the power. If the overload is caused by a fault, such as a short circuit, then the breaker additionally isolates the faulted section from the rest of the system.The 2907662 application field and working principle of a circuit breaker can vary greatly depending on the type of breaker used and its intended application. Typically, circuit breakers are used in low voltage power systems, whereas high voltage circuits often use other protective devices such as fuses or current limiters. In general, a circuit breaker will have one of three basic operation modes:• Overcurrent protection: This type of circuit breaker trips on any overcurrent detected by monitoring the current in the circuit. The current threshold is typically adjustable, allowing the user to set the breaker to trip at a certain current level.• Short circuit protection: This type of breaker trips when a short circuit between two conductors is detected. Short circuit protection is important not only to protect the circuit, but also to de-energize the circuit quickly in the event of a fault.• Earth leakage protection: This type of circuit breaker is designed to detect and trip when a relatively small amount of current is flowing through an earthed conductor. This prevents harm to personnel, as these levels of current may cause physiological effects.Circuit breakers can also be used as the main switch for large power systems, where the breaker can simultaneously cut the power supply to the rest of the system. This is especially useful in industrial applications, where it can be used to quickly de-energize a system for maintenance or repairs.The main components of a circuit breaker typically include a contact, a trip mechanism and/or an auxiliary switch, and an electric coil. The contact, which is typically made from an alloy, allows current to flow when the breaker is closed. When the circuit breaker trips, the contacts open, interrupting the flow of current and protecting the circuit. The trip mechanism, which can be mechanical, hydraulic, or thermal, is designed to open the contact when either a current or voltage limit is exceeded. The electric coil generates a magnetic field when current flows through it, therefore the coil must be energized in order to activate the breaker. In order to ensure reliable operation, circuit breakers must be regularly inspected and tested. This is typically done by performing a series of current, voltage and temperature tests on the breaker, and ensuring that it passes all tests. Additionally, the breaker must be maintained and serviced regularly in order to ensure it is in optimal condition.Overall, circuit breakers are an essential component of modern electrical systems, providing the necessary protection against overcurrent and other electrical faults. They are typically placed between the power source and the load, protecting against any faults that may arise during operation. With proper installation, inspection and maintenance, circuit breakers are a reliable and effective means of safety and protection for your electrical system.

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