219-4-38428-30 Circuit Protection

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Circuit Breakers are a key component of any electrical system. They are responsible for protecting the system from short circuits, overloads, and excess current problems for which no other protection mechanism is available.

219-4-38428-30 is a type of circuit breaker which offers comprehensive short circuit protection for both branch circuits and long feeder circuits. It is designed to isolate the circuit when an overcurrent or short circuit current occurs. It is also designed to reduce both the size of the switchboard and the cost of installation.

The 219-4-38428-30 comes with integral trip unit and solid-state-switch. This type of switch allows the user to select either low or high-speed response models with different time/current and trip curves. It is manufactured to meet NEC and UL 489/UL508 requirements to ensure optimal magnetic and thermal protection.

The 219-4-38428-30 is suitable for use in industrial, commercial, and residential applications and is also UL certified for use in power distribution systems. This unit features a trip setting range of 0.25 to 125 amps and trip response times from 1 to 300 milliseconds. In addition, the unit also offers four different curves to choose from depending on the user’s requirements.

The working principle of the 219-4-38428-30 circuit breaker is to interrupt the current flow when it exceeds a predetermined value. This is done by sensing the current flow and then, once the limit is exceeded, the contact points of the breaker break the circuit and the trip unit is activated.

The 219-4-38428-30 also utilizes an adjustable trip setting which can be used to alter the current limit. This is programmed via a programmable interface and can be adjusted to meet the user’s specific requirements. The trip unit also utilizes a built-in surge protection device which is designed to protect the system in the event of an overcurrent or short circuit.

The 219-4-38428-30 circuit breaker is a reliable device which is capable of meeting the electrical requirements of a wide variety of applications. It is designed to be low maintenance and provides an economical solution for short circuit and overload protection.

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