Siemens
3UG4622-2AW30
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Specification & Description
The Siemens 3UG4622-2AW30 is a state-of-the-art digital monitoring relay designed for current monitoring applications. This compact device, with a width of just 22.5 mm, is engineered to monitor AC/DC currents ranging from 0.05 to 15 A, making it a versatile solution for a wide array of industrial settings. It operates effectively within a supply voltage range of 24 to 240 V AC/DC and is suitable for both 50 and 60 Hz power systems.
This monitoring relay is equipped with an LCD for clear display and easy configuration of parameters such as response current, response delay time, and switching hysteresis for measured current values. The adjustable settings ensure precise control and customisation to meet the specific needs of your application. The relay also features a changeover contact that can be utilised with or without an error log, enhancing its functionality and reliability.
Designed for durability, the Siemens 3UG4622-2AW30 boasts a mechanical service life of 10 million switching cycles and an electrical endurance of 100,000 cycles at AC-15 at 230 V, ensuring long-term performance and dependability. Its spring-loaded terminals facilitate a secure and maintenance-free electrical connection, streamlining installation and servicing processes.
The relay's robust construction is complemented by an IP20 protection class, safeguarding the device against the ingress of solid objects. Additionally, it is designed to withstand environmental conditions such as vibration and shock, as per IEC standards, and can be installed at altitudes up to 2000 metres above sea level without derating.
In summary, the Siemens 3UG4622-2AW30 digital monitoring relay is an essential component for industrial control systems requiring precise current monitoring. Its compact design, combined with advanced features and robust construction, make it a reliable choice for safeguarding electrical circuits and ensuring the smooth operation of machinery and equipment.
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Frequently Asked Questions
What is the purpose of this digital monitoring relay?
The digital monitoring relay is designed for current monitoring within electrical circuits. It helps in protecting equipment by detecting overcurrent or undercurrent conditions, ensuring the system operates within safe parameters.
Can this relay be used for both AC and DC current monitoring?
Yes, this relay is versatile and can be used for monitoring both AC and DC currents, with a supply voltage range of 24 to 240 V AC/DC.
What are the mounting options for this relay?
The relay is designed for snap-on mounting, allowing for easy installation on DIN rails within control panels and distribution systems.
Is there a specific ambient temperature range for operating this relay?
The relay operates effectively within an ambient temperature range of -25 to +60 degrees Celsius, ensuring reliable performance in various industrial environments.
What type of electrical connections does this relay support?
The relay features spring-loaded terminals for secure and reliable connections, accommodating both solid and finely stranded conductors.
How does the relay ensure safety in overvoltage situations?
It is designed with an insulation voltage rated at 690 V for overvoltage category III, providing a high level of protection against voltage transients.
What is the response time of the relay in case of a fault?
The relay has an adjustable response delay time ranging from 0.1 to 20 seconds, allowing for customisation based on the specific needs of the application.
Does the relay have any certifications or approvals?
The relay comes with a General Product Approval and an EMC Declaration of Conformity, ensuring compliance with industry standards for electromagnetic compatibility.
What is the maximum installation altitude for this relay?
The relay can be installed at altitudes up to 2000 meters above sea level without derating, accommodating a range of industrial locations.
Are there any special features for resetting the relay?
The relay includes options for both external reset and auto-reset, providing flexibility in how the relay can be returned to normal operation after a fault.
