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Specification & Description
The Siemens 3RV1021-1HA15 is a robust circuit breaker designed for motor protection, ensuring efficient operation and safety in a variety of industrial applications. This three-pole device is engineered to handle a rated operational voltage of up to 690 V ac, making it suitable for a wide range of electrical setups. With a compact frame size of S0, it occupies minimal space while delivering reliable performance.
The circuit breaker features a Class 10 trip characteristic, with an adjustable response current range of 5.5 to 8 A, providing precise protection for motors against overload conditions. The short-circuit release is rated at 104 A, offering substantial protection in the event of fault conditions. The unit's screw connection terminals facilitate secure and straightforward installation, and it is designed to be mounted onto a 35 mm standard mounting rail according to DIN EN 50022, allowing for versatile integration into electrical distribution systems.
With a mechanical service life of approximately 100,000 switching cycles, the Siemens 3RV1021-1HA15 is built to last, ensuring long-term reliability and reduced maintenance requirements. The device also includes a transverse auxiliary switch with 1 normally open and 1 normally closed contact, expanding its functionality for control and signalling purposes.
This circuit breaker is designed to operate within a wide ambient temperature range, making it suitable for challenging industrial environments. Its finger-safe design and IP20 protection rating on the front provide additional safety during operation and handling.
Overall, the Siemens 3RV1021-1HA15 circuit breaker is a dependable choice for motor protection, offering a combination of performance, durability, and installation flexibility, making it a valuable component in industrial electrical protection systems.
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, belonging to the SIRIUS product family. It features a Class 10 trip characteristic and is equipped with a transverse auxiliary switch.
Can this circuit breaker be used for short-circuit protection?
Yes, the circuit breaker is designed with thermomagnetic overcurrent release, providing both overload and short-circuit protection.
What is the rated operating voltage of this circuit breaker?
The rated operating voltage of the circuit breaker is 690 V ac.
What is the continuous current rating for this device?
The continuous current rating for this device is 8 A.
What are the dimensions of this circuit breaker?
The dimensions of the circuit breaker are 45 x 96 x 97 mm.
Is there an auxiliary switch included with this circuit breaker?
Yes, it comes with a transverse auxiliary switch that includes 1 normally open (NO) and 1 normally closed (NC) contact.
What is the mechanical service life of this circuit breaker?
The mechanical service life of the main contacts is typically 100,000 switching cycles.
What type of terminals does this circuit breaker have?
It has screw-type terminals for both the main current circuit and the auxiliary and control current circuit.
Can this circuit breaker be mounted on a DIN rail?
Yes, it can be mounted by screw and snap-on onto a 35 mm standard mounting rail according to DIN EN 50022.
What is the protection class of the front face of this circuit breaker?
The front face of the circuit breaker has an IP20 protection class rating.
What is the maximum altitude for installing this circuit breaker?
The maximum installation altitude for this circuit breaker is 2,000 meters above sea level.
What is the ambient temperature range for operating this circuit breaker?
The circuit breaker can operate within an ambient temperature range of -20 to +60 degrees Celsius.
Does this circuit breaker have phase failure detection?
Yes, it includes phase failure detection as part of its protective functions.
What is the surge voltage resistance of this circuit breaker?
The surge voltage resistance rated value is 6,000 V.
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.
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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.
