E-1048-8I4-C3D4V1-4U3-5A

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The name E-1048-8I4-C3D4V1-4U3-5A is tied to the function and purpose of a circuit breaker. Circuit breakers are a type of electrical switch which is designed to protect the circuit it is controlling. They are used to break a circuit, interrupting current flow in the event of an overload or short circuit.

The first part of the name, E-1048, indicates the voltage range of the circuit breaker. E-1048 is a 480 volt circuit breaker, meaning it is best suited to circuits operating at 480 volts. It can also be used in systems up to 600 volts, however it should be noted it will not work with systems lower than 480 volts.

The next part of the name, 8I4, refers to the current rating of the circuit breaker. It is rated for 8 amperes of current and 4 poles. This means it is capable of interrupting 8 amperes of current while simultaneously being able to open or close 4 separate circuits. This is an important consideration, as the circuit should be sized for the current rating of the circuit breaker and the number of poles it contains.

The third part of the name, C3D4V1, refers to the type of trip element within the circuit breaker. C3D4V1 refers to a thermal magnetic trip unit. This type of trip element uses both thermal magnetic and thermal elements to measure the circuit. If the circuit exceeds the maximum current rating, the thermal element scans for the increase in heat and trips the breaker. This helps protect against both overloads and short circuits.

The fourth part of the name, 4U3, identifies the frame size of the circuit breaker. Frame size indicates the physical size of the circuit breaker. Knowing the frame size of a circuit breaker ahead of time is important for proper mounting and installation in the correct electrical panel.

Finally, the fifth part of the name, 5A, indicates that this circuit breaker contains additional auxiliary contacts. Auxiliary contacts are contact points which can be used to control external devices. With this type of circuit breaker, up to 5 auxiliary contacts can be employed.

In summary, the E-1048-8I4-C3D4V1-4U3-5A circuit breaker is a 480 volt circuit breaker rated for 8 amperes of current with a thermal magnetic trip element. It has a frame size of 4U3 and contains up to 5 auxiliary contacts. This type of circuit breaker is typically used in industrial and commercial applications.

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