1B4UM Circuit Protection

Part Status:	Active
Lead Free Status / RoHS Status:	--
Moisture Sensitivity Level (MSL):	--
Series:	*

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What is a 1B4UM?

A 1B4UM is an overcurrent protective device commonly used in electrical distribution systems. It is a type of circuit breaker and its main purpose is to protect the electrical system from power overload. The 1B4UM is a three-phase circuit breaker and is rated for fault current up to 16,000 A. It has an adjustable current setting and is typically used for commercial and industrial applications.

1B4UM Application Field

The 1B4UM is commonly used in various applications, including residential, commercial, and industrial. It is primarily used in systems such as high-voltage power systems, distribution systems, and low-voltage systems. It can also be used in renewable energy systems, such as photovoltaic systems, solar thermal systems, and wind power systems. In these systems, the 1B4UM is used to provide fault protection and is designed to quickly detect an overload and disconnect the power to the equipment or circuit.

1B4UM Working Principle

The 1B4UM functioning principle is based on the thermal-magnetic calculation. The device operates by sensing the magnitude of current flowing through the circuit. When the current exceeds a predetermined level, the thermal-magnetic calculation initiates the tripping mechanism, causing the contacts to open and the power to be disconnected. This action prevents further system overloads and potential damage to wiring and connected components.The 1B4UM has an adjustable overcurrent setting that makes it suitable for use in different application fields. The adjustable current setting also allows for adjustments to be made in response to changing system and environmental conditions. Additionally, the 1B4UM is equipped with an LED indicator to show the status of the device.

Conclusion

The 1B4UM is a three-phase, adjustable, overcurrent protective device that is used in various electrical distribution systems to protect against power overloads. It functions by sensing the magnitude of current and has an adjustable current setting for different applications. Additionally, the 1B4UM is equipped with an LED indicator that shows the status of the device.

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