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Siemens
3RU2126-4CB0
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This part is currently sold out
Please check back soon.
Image shown may not reflect the final product
Check similar products or call us on +44 20 4570 3439 for assistance
This part is currently sold out
Please check back soon.
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Specification & Description
The Siemens 3RU2126-4CB0 is a high-quality overload relay from the renowned SIRIUS series, designed to provide reliable motor protection. This component is engineered to safeguard motors by monitoring and breaking the circuit in the event of an overload, thus preventing potential damage to your machinery.
Crafted for use in a wide range of industrial applications, the 3RU2126-4CB0 features a thermal overload relay with an adjustable current response value, making it suitable for motors with a current range of 17 to 22 amperes. Its compatibility with size S0 contactors allows for seamless integration into existing setups, ensuring a straightforward installation process.
The overload relay is equipped with both 1NC (normally closed) and 1NO (normally open) contacts, providing flexibility for various control circuit configurations. The screw-type terminals ensure a secure and reliable connection for both the main and auxiliary circuits.
With a compact design measuring 45 x 85 x 85 mm, this overload relay is an efficient space-saving solution for your control panels. It operates effectively within a voltage rating of up to 690 V ac, and its robust construction is capable of withstanding the rigours of industrial environments.
The 3RU2126-4CB0 is characterised by its Class 10 trip class, which denotes a quick response to overloads, typically within 10 seconds, to provide optimal protection for your motors. Additionally, the manual-automatic-reset feature offers convenience in resetting the relay after a trip event.
This overload relay is a testament to Siemens' commitment to quality and reliability, making it an essential component for maintaining the operational integrity of your motor-driven systems.
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Frequently Asked Questions
What is the voltage rating for this overload relay?
The overload relay is rated for an operating voltage of up to 690 V ac.
Can this overload relay be mounted directly onto a contactor?
Yes, this overload relay is designed for contactor mounting and can be directly attached to a size S0 contactor.
What are the dimensions of this overload relay?
The dimensions of the overload relay are 45 x 85 x 85 mm.
What is the trip class of this thermal overload relay?
This thermal overload relay has a trip class of 10.
What is the range of the adjustable current setting for this relay?
The adjustable current setting for the relay ranges from 17 to 22 A.
Is there a manual reset function on this overload relay?
Yes, the overload relay comes with a manual reset function, as well as an automatic reset option.
What type of terminals does this overload relay have for electrical connections?
The overload relay is equipped with screw-type terminals for both the main and auxiliary circuits.
What is the insulation voltage of this overload relay?
The insulation voltage, with a degree of pollution 3, is rated at 690 V ac.
What is the ambient temperature range for the operation of this overload relay?
The overload relay can operate within an ambient temperature range of -40 to +70 °C.
Does this overload relay have any certifications for use in hazardous locations?
Yes, the overload relay has certifications for use in hazardous locations, in accordance with the ATEX directive 2014/34/EU.
Part conditions explained
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Used: The product has been previously owned and has been used. It may show signs of wear and tear but is still functional and operational. The condition may vary depending on the specific item and its usage history.
