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Specification & Description
The Siemens 3RU1126-1HB0 is a robust overload relay designed to offer efficient motor protection. This component is essential for safeguarding motors from potential damage due to overload conditions. With an adjustable response current range of 5.5 to 8 A, it provides the flexibility needed to match specific motor requirements and ensure optimal protection.
Crafted for durability, the relay is suitable for use in a variety of industrial settings. Its compact dimensions of 45 x 91 x 69 mm allow for convenient integration into existing systems without requiring significant space. The relay operates effectively within a voltage range up to 690 V ac, making it versatile for numerous applications.
The 3RU1126-1HB0 features three poles and is engineered for direct mounting onto contactors, streamlining installation and maintenance processes. It is designed with screw-type terminals for both the main and auxiliary circuits, ensuring secure and reliable connections.
This overload relay is part of the Siemens SIRIUS product line, known for its high-quality standards and reliability. It is classified as a Class 10 device, which denotes its trip class, providing quick and accurate response to overloads to prevent motor damage.
The 3RU1126-1HB0 is a practical solution for industrial professionals seeking a dependable and precise motor protection component. Its design and construction reflect Siemens' commitment to innovation and excellence in electrical protection technology.
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Frequently Asked Questions
What is the function of this overload relay?
The overload relay is designed to protect motors from overcurrent by breaking the circuit in the event of an overload or phase failure. It provides reliable protection for motors in industrial applications.
Can this overload relay be directly mounted to a contactor?
Yes, this overload relay is designed for direct mounting to a contactor, allowing for a compact and efficient setup.
What is the current adjustment range of this overload relay?
The current adjustment range of the overload relay is from 5.5 to 8 A, allowing for precise protection settings based on the motor's requirements.
What are the dimensions of this overload relay?
The dimensions of the overload relay are 45 mm in width, 91 mm in height, and 69 mm in depth, making it suitable for installations where space is a consideration.
What type of terminals does this overload relay have for the main circuit?
This overload relay is equipped with screw-type terminals for the main circuit, ensuring a secure and reliable connection.
What is the maximum operating voltage for this overload relay?
The maximum operating voltage for this overload relay is 690 V ac, making it suitable for a wide range of industrial applications.
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 is the IP rating of the front face of this overload relay?
The front face of the overload relay has an IP20 rating, indicating protection against solid objects larger than 12.5 mm but not against liquids.
What is the ambient temperature range for operating this overload relay?
The overload relay can operate within an ambient temperature range of -20 to +70 degrees Celsius, accommodating various industrial environments.
How many auxiliary contacts does this overload relay have?
This overload relay comes with one normally closed (NC) and one normally open (NO) auxiliary contact for signalling and control purposes.
