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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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3RV1421-1KA10 Product Description
The Siemens 3RV1421-1KA10 is a robust motor protection circuit breaker designed to safeguard motors in industrial applications. This three-pole device is engineered to handle a rated operational voltage of up to 690 V ac and offers a standard breaking capacity of 100 kA at 400 V. With a current rating of 12.5 A, it is suitable for a wide range of motor protection duties.
Crafted for reliability, the 3RV1421-1KA10 features a compact design with dimensions of 45 x 96 x 97 mm, making it an ideal choice for space-constrained environments. The breaker is equipped with screw connection terminals, facilitating secure and straightforward installation. It is classified under trip class 10, providing quick and accurate response to overloads, thereby ensuring the longevity of your motor and associated equipment.
The circuit breaker's thermomagnetic release mechanism ensures protection against both overload and short-circuit conditions. It is designed to be mounted onto a 35 mm standard mounting rail according to DIN EN 50022, allowing for versatile installation options. The device operates within an ambient temperature range of -20 to +60°C, ensuring consistent performance across various working conditions.
The 3RV1421-1KA10 is a testament to Siemens' commitment to quality and efficiency in motor protection solutions, offering a reliable safeguard for your motor-driven applications.
Frequently Asked Questions
What type of protection does this motor protection circuit breaker offer?
The Siemens motor protection circuit breaker provides overload protection, phase disturbance recognition, and short-circuit protection, ensuring safe and reliable operation for connected motors.
Can this circuit breaker be used with different types of voltage?
Yes, this circuit breaker is designed for use with AC/DC voltage types and has an operating voltage rated at a maximum of 690 V for 3 AC.
What is the breaking capacity of this circuit breaker at 400 V?
The circuit breaker has a standard breaking capacity of 100 kA at 400 V, making it suitable for a wide range of industrial applications.
What are the dimensions of this circuit breaker?
The dimensions of the circuit breaker are 45 mm in width, 97 mm in height, and 96 mm in depth, which allows for compact installation.
Is there a specific ambient temperature range for operating this circuit breaker?
The circuit breaker is designed to operate within an ambient temperature range of -20°C to +60°C, ensuring performance in various working environments.
What is the trip class of this circuit breaker?
This circuit breaker features a trip class of CLASS 10, which indicates the time it takes for the breaker to trip in the event of an overload.
How many poles does this circuit breaker have?
The circuit breaker is equipped with 3 poles for the main current circuit.
What is the rated operating current for this circuit breaker?
The rated operating current for this circuit breaker at AC-3 at 400 V is 12.5 A.
Can this circuit breaker be mounted on a DIN rail?
Yes, it can be mounted using screw and snap-on mounting onto a 35 mm standard mounting rail according to DIN EN 50022.
What type of terminals does this circuit breaker have for electrical connections?
The circuit breaker features screw-type terminals for both the main current circuit and auxiliary and control current circuits.