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Specification & Description
The Siemens 3RU2116-4AC0 is a thermal overload relay designed to provide efficient motor protection. This component is part of the SIRIUS product line and is engineered to safeguard motors in the event of overload or phase failure. The relay is suitable for a size S00 contactor and offers a manual-automatic-reset feature for ease of use.
With an adjustable current response value ranging from 11 to 16 A, the 3RU2116-4AC0 ensures precise protection for a variety of motor sizes. It operates with a rated voltage of up to 690 V and is compatible with operating frequencies between 50 and 60 Hz, making it versatile for different power networks.
The overload relay is equipped with spring-type terminals for both the main and auxiliary circuits, facilitating a secure and maintenance-friendly connection. Its compact design, with dimensions of 87 mm in height, 45 mm in width, and 70 mm in depth, allows for easy integration into existing setups without requiring significant space.
This thermal overload relay is designed with a trip class of 10, ensuring a quick response to overloads, thereby minimising potential motor damage. The product also features integrated auxiliary contacts, with one normally closed (NC) and one normally open (NO) contact, which can be used for signalling purposes.
Built to withstand challenging industrial environments, the Siemens 3RU2116-4AC0 can operate at installation altitudes of up to 2000 metres above sea level and within a temperature range of -40 to +70°C during operation. Its robust construction is also reflected in its insulation voltage rating and surge voltage resistance, ensuring long-term reliability and performance.
The 3RU2116-4AC0 is a testament to Siemens' commitment to quality and innovation in motor protection technology. It is an essential component for industrial applications where motor safety and reliability are paramount.
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Frequently Asked Questions
What is the size of the overload relay?
The overload relay is of size S00, which is suitable for compact applications and can be combined with company-specific S00 size contactors.
Can this overload relay be used for motor protection?
Yes, this thermal overload relay is designed for motor protection, ensuring that motors are safeguarded against potential overload conditions.
What is the adjustable current response range of this relay?
The adjustable current response value for the current-dependent overload release ranges from 11 to 16 A.
What type of terminals does this overload relay have for the main circuit?
The main circuit of the 3RU2116-4AC0 features spring-type terminals for secure and reliable connections.
What is the trip class of this overload relay?
This overload relay has a trip class of CLASS 10, which refers to the time it takes for the relay to trip in an overload condition.
What are the ambient operating conditions for this relay?
The relay can operate in ambient temperatures ranging from -40 to +70 °C and can be installed at altitudes up to 2000 metres above sea level.
Is there any specific mounting position required for this relay?
No, there is no specific mounting position required. The relay can be mounted in any position that is convenient for the application.
What is the insulation voltage rating for this overload relay?
The insulation voltage with a degree of pollution 3 is rated at 690 V AC.
Does this overload relay have a manual or automatic reset function?
The overload relay comes with both manual and automatic reset functions, providing flexibility in how the relay is reset after a trip event.
What type of protection does this relay offer?
The relay offers thermal overload protection, which helps to prevent damage to motors by interrupting the circuit in the event of an overload.
