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Specification & Description
The Siemens 3RU2116-1JB1 is a high-quality overload relay designed to provide motor protection in a variety of industrial applications. This component is part of the SIRIUS product family, renowned for its reliability and efficiency in safeguarding motors from excessive current draw that can lead to overheating and potential damage.
Crafted for use with size S00 contactors, the 3RU2116-1JB1 features a compact design with dimensions of 45 x 79.5 x 89.15 mm, making it suitable for installations where space is at a premium. The overload relay offers a manual and automatic reset function, allowing for quick restoration of operations after a trip event.
The unit is rated for a 10 A operating current and can handle voltages up to 690 V ac, making it versatile for a wide range of electrical systems. It is equipped with three poles and has an adjustable response value current for the current-dependent overload release, ranging from 7 to 10 A, which can be tailored to the specific needs of the motor it protects.
The 3RU2116-1JB1 is designed with screw-type terminals for both the main and auxiliary circuits, ensuring a secure and reliable connection. The integrated auxiliary switch comes with one normally closed (NC) contact for contactor disconnection and one normally open (NO) contact for signalling a "Tripped" status, enhancing the diagnostic capabilities of the system.
This overload relay is built to withstand challenging industrial environments, with an operational temperature range from -40 to +70 °C and a shock resistance in accordance with IEC 60068-2-27 standards. It also boasts a Class 10 trip class and thermal overload release design, providing prompt and accurate response to overcurrent conditions.
The Siemens 3RU2116-1JB1 is a robust and dependable solution for motor protection, ensuring the longevity and efficiency of your industrial equipment.
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Frequently Asked Questions
What is the function of this overload relay?
The Siemens overload relay is designed to protect motors from overcurrent by breaking the circuit in the event of an overload, preventing potential damage to the motor.
Can this overload relay be combined with a contactor?
Yes, it is designed to be compatible with size S00 contactors, allowing for seamless integration into motor control systems.
What is the trip class of this overload relay?
The overload relay has a trip class of 10, which means it will trip within 10 seconds at 600% of its rated current, providing quick protection against overloads.
What are the installation requirements for this overload relay?
The relay can be installed in any mounting position and is designed for stand-alone installation. It requires a certain amount of space around it for proper ventilation and to meet safety standards.
What type of terminals does this overload relay have?
It is equipped with screw-type terminals for both the main and auxiliary circuits, ensuring a secure and reliable connection.
What is the maximum operating voltage for this overload relay?
The maximum operating voltage for the relay is rated at 690 V ac, making it suitable for a wide range of industrial applications.
What is the ambient temperature range for the operation of this overload relay?
The relay can operate within an ambient temperature range of -40 to +70 degrees Celsius, ensuring reliable performance in various environmental conditions.
How can I reset the overload relay after a trip?
The relay features a manual-automatic reset mechanism, allowing you to easily reset the device after an overload trip.
What is the significance of the protection class IP20?
The IP20 protection class indicates that the front of the relay is protected against solid objects larger than 12.5 mm but is not protected against liquids. This rating is important for ensuring the safety of personnel and the protection of the equipment.
What are the dimensions of this overload relay?
The dimensions of the relay are 45 mm in width, 79.5 mm in height, and 89.15 mm in depth, making it compact and suitable for installations where space is limited.
Part conditions explained
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