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Specification & Description
The Siemens 3RV2021-4BA15 is a robust circuit breaker designed for motor protection, ensuring the safe and efficient operation of machinery in various industrial settings. This three-pole device is engineered to provide Class 10 overload protection, with an adjustable pick-up value current of the current-dependent overload release ranging from 13 to 20 A and a short-circuit release of 260 A. The circuit breaker features a compact design with dimensions of 45 x 96.9 x 97 mm, making it suitable for space-constrained environments.
Constructed with screw-type terminals for secure electrical connections, the 3RV2021-4BA15 is capable of accommodating a range of conductor cross-sections, both single or multi-stranded and finely stranded with core end processing. It is designed for easy mounting, with the ability to be installed in any position and snapped onto a 35 mm standard mounting rail according to DIN EN 60715.
The device is rated for an operating voltage of up to 690 V ac and has an operating frequency rated value of 50 to 60 Hz. It is also equipped with a mechanical service life of approximately 100,000 switching cycles, ensuring long-term reliability and reduced maintenance requirements.
With an IP20 protection rating on the front and terminals, the circuit breaker is finger-safe, providing increased safety for personnel during installation and maintenance. The ambient operating temperature range of -20 to +60 °C and the ability to function up to an installation altitude of 2,000 m above sea level make it versatile for a wide range of environmental conditions.
The Siemens 3RV2021-4BA15 is a dependable solution for motor protection, offering precise overload and short-circuit protection to enhance the longevity and performance of industrial motors.
Commonly Asked Questions
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Marvo provides a full 12-month warranty on all products, whatever the condition. For your peace of mind, all parts are ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. If you are unhappy with the part(s) you received and would like to request a return, you can do so by completing our quick and easy online form. Once we have received your Returns Request, a member of the team will be in touch to discuss this further with you. You can read more about our warranty policy here.
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Marvo is a highly credible supplier of industrial automation parts and components with dedicated hubs around the world offering industry-leading products and services. Marvo is committed to providing a quick, easy and reliable place to source your automation and control components. All purchases come as standard with a comprehensive 12-month return to base warranty meaning that, in just a few clicks, you can source critical parts more seamlessly than ever before. Click here to read an article on how Marvo is redefining convenience for automation and manufacturing professionals.
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Marvo takes pride in product quality and has put several measures in place to assure high levels of quality standards. For your peace of mind, all parts have been ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. Redefine convenience and secure priority delivery on all parts along with a comprehensive 12-month warranty. This is the smart new way to buy automation and control components.
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Frequently Asked Questions
What type of circuit breaker is this?
This is a 3-pole circuit breaker designed for motor protection, with a CLASS 10 A-release range of 13 to 20 A and an N-release of 260 A.
Can this circuit breaker be used for applications other than motor protection?
While the primary design is for motor protection, it may be suitable for other applications that match its specifications. However, it's important to consult the device's datasheet or a professional to ensure compatibility with your specific application.
What is the voltage rating for this circuit breaker?
The circuit breaker is rated for use with systems up to 690 V ac.
What are the dimensions of this circuit breaker?
The dimensions of the circuit breaker are 45 x 96.9 x 97 mm.
Is there a specific ambient temperature range for operating this circuit breaker?
Yes, the circuit breaker is designed to operate within an ambient temperature range of -20 to +60 degrees Celsius.
What is the mechanical service life of this circuit breaker?
The mechanical service life of the circuit breaker is typically 100,000 switching cycles for both the main and auxiliary contacts.
What type of terminals does this circuit breaker have?
It is equipped with screw-type terminals for both the main current circuit and the auxiliary and control current circuit.
What is the tightening torque for the terminals?
The tightening torque for the main contacts with screw-type terminals is 2 to 2.5 N·m, and for auxiliary contacts with screw-type terminals, it is 0.8 to 1.2 N·m.
What is the protection class of this circuit breaker?
The circuit breaker has a protection class of IP20 for both the front and the terminals.
How can I determine if this circuit breaker is suitable for my application?
To determine suitability, you should compare the electrical and mechanical specifications of the circuit breaker with the requirements of your application, considering factors such as voltage, current, number of poles, and environmental conditions.
Part conditions explained
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New unsealed: The product is in its original packaging, but the packaging has been opened or unsealed. It has never been used and should be in near pristine condition.
New sealed: The product is sealed in its original packaging. It has never been opened or used, ensuring that it's in an untouched state.
New unboxed: The product does not come in its original packaging, but it has never been used and is in great working condition.
Refurbished: The product has been previously used, but it has undergone a thorough refurbishment process to restore it to a like-new or functional condition. Any defects or issues have been addressed, making it suitable for reuse.
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.
