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Specification & Description
The Siemens 3RU2126-4BB0 is a high-quality overload relay from the renowned SIRIUS series, designed to provide reliable motor protection. This component is engineered to operate with a voltage up to 690 V ac, making it suitable for a wide range of industrial applications. It features a 1NC/1NO contact configuration with a screw connection type, ensuring a secure and stable connection.
With dimensions of 45 x 85 x 85 mm, this overload relay is compact and can be easily integrated into existing systems. It is built to handle a control supply voltage of 690 V ac and has an adjustable current setting range of 14 to 20 A, which allows for precise motor protection tailored to specific requirements.
The device is characterised by its Class 10 trip class, ensuring quick response to prevent motor damage due to overload conditions. The robust construction and high-quality materials used in the Siemens 3RU2126-4BB0 provide a reliable solution for safeguarding motors in a variety of industrial settings. Its straightforward design facilitates easy installation and maintenance, making it a practical choice for enhancing operational efficiency and extending the lifespan of motor-driven equipment.
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Frequently Asked Questions
What is the voltage rating for this overload relay?
The overload relay is rated for an insulation voltage of up to 690 V ac with a degree of pollution 3.
Can this overload relay be used for motor protection?
Yes, the Siemens SIRIUS Series overload relay is designed for motor protection and is suitable for use with Size S0 contactors.
What is the trip class of this overload relay?
This overload relay has a trip class of CLASS 10.
What are the dimensions of the overload relay?
The dimensions of the overload relay are 45 x 85 x 85 mm.
What is the operating temperature range for this relay?
The operating temperature range for this relay is from -40 °C to +70 °C during the operating phase.
What type of terminals does this overload relay have?
This overload relay is equipped with screw-type terminals for both the main and auxiliary circuits.
What is the adjustable current response value for the current-dependent overload release?
The adjustable current response value for the current-dependent overload release ranges from 14 A to 20 A.
How many poles does the main current circuit of this overload relay have?
The main current circuit of this overload relay has 3 poles.
What is the protection class for the frontal/front side of this relay?
The frontal/front side of the relay has a protection class of IP20.
What is the maximum altitude at which this overload relay can be installed?
This overload relay can be installed at a maximum altitude of 2,000 meters above sea level.
