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Specification & Description
The Siemens 3UG4614-1BR20 is a state-of-the-art digital monitoring relay designed for meticulous voltage and phase monitoring in industrial applications. This compact device ensures the protection and efficient operation of electrical systems by detecting phase imbalances, phase failures, and under-voltage conditions. With a broad voltage monitoring range of 160 to 690 V AC and adjustable response delay times, it offers flexibility and precision in various settings.
The relay is equipped with a clear LCD for easy setup and monitoring, and it features two changeover contacts with screw terminals for secure and reliable connections. Its snap-on mounting design allows for quick installation, and the unit's small footprint of 22.5 x 91 x 92 mm ensures it fits seamlessly into electrical cabinets and panels.
Engineered for durability and consistent performance, the 3UG4614-1BR20 operates within a wide temperature range and is designed with galvanic isolation to enhance circuit safety. Its robust construction and meticulous design make it an essential component for industrial systems requiring precise voltage and phase monitoring.
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Frequently Asked Questions
What is the purpose of this digital monitoring relay?
The digital monitoring relay is designed for monitoring phase imbalances, phase sequence, and phase failure in three-phase electrical systems. It also features under-voltage detection capabilities.
Can the phase sequence detection be activated or deactivated?
Yes, the phase sequence detection function on this relay can be activated or deactivated depending on the requirements of the application.
What is the voltage range that this relay can monitor?
This relay is capable of monitoring voltages ranging from 160 to 690 V AC.
Is there an adjustable response delay time for this relay?
Yes, the relay offers an adjustable response delay time ranging from 0.1 to 20 seconds for both start-up and threshold violation scenarios.
What type of connections does this relay support?
The relay supports screw-type terminal connections, allowing for secure and reliable wiring.
What is the accuracy of the digital display on this relay?
The digital display on the relay has an accuracy of +/-1 digit, ensuring precise readings.
How many changeover contacts does this relay have?
This relay is equipped with two changeover contacts for flexible control options in various applications.
What is the mechanical service life of the relay's switching cycles?
The mechanical service life of the relay's switching cycles is typically around 10 million.
Does this relay provide galvanic isolation?
Yes, the relay provides galvanic isolation between the input and output, between the outputs, and between the voltage supply and other circuits.
What are the dimensions of this relay?
The dimensions of the relay are 22.5 mm in width, 92 mm in height, and 91 mm in depth.
