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Specification & Description
The Siemens 3RV1021-1AA15 is a robust circuit breaker designed for motor protection, ensuring the safe and efficient operation of machinery in various industrial settings. This component is part of the SIRIUS product family, renowned for its reliability and performance. With a Class 10 trip class, it offers precise protection for motors by tripping in the event of an overload, preventing potential damage to the motor and associated equipment.
The circuit breaker is rated for a voltage of up to 690 V and has an adjustable pick-up value current range of 1.1 to 1.6 A, with a short-circuit release of 21 A. This flexibility allows for fine-tuning to match specific motor requirements, providing tailored protection. The device also features a standard breaking capacity with a transverse auxiliary switch comprising 1NO/1NC contact configuration, enhancing its functionality for control and signalling purposes.
With a compact design, measuring 45 x 91 x 97 mm, the 3RV1021-1AA15 is engineered for space-saving installation and can be easily mounted onto a 35 mm standard mounting rail according to DIN EN 50022. It is equipped with screw-type terminals for both the main current circuit and auxiliary and control current circuits, facilitating straightforward and secure wiring connections.
The circuit breaker is designed to withstand challenging industrial environments, with an operational temperature range of -20 to +60°C and a high mechanical service life of 100,000 switching cycles for the main contacts. It also boasts a surge voltage resistance rated value of 6,000 V and a protection class of IP20 on the front, ensuring durability and a degree of protection against ingress.
Suitable for a wide range of applications, the Siemens 3RV1021-1AA15 circuit breaker is a dependable choice for motor protection in industrial automation, manufacturing, and processing industries.
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Frequently Asked Questions
What is the voltage rating for this circuit breaker?
The circuit breaker is rated for operating voltages up to 690 V.
Can this circuit breaker be used for motor protection?
Yes, it is specifically designed for motor protection with a CLASS 10 trip class.
What is the current adjustment range for the overload release?
The current-dependent overload release can be adjusted from 1.1 A to 1.6 A.
What are the dimensions of this circuit breaker?
The dimensions are 45 mm in width, 91 mm in height, and 97 mm in depth.
Is there an auxiliary switch available 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 the main contacts?
The main contacts have a typical mechanical service life of 100,000 switching cycles.
What is the maximum installation altitude for this circuit breaker?
It can be installed at altitudes up to 2,000 metres above sea level without derating.
What is the short-circuit current breaking capacity of this device?
The maximum short-circuit current breaking capacity (Icu) is 100 kA at voltages ranging from 240 V to 690 V AC.
What type of terminals does this circuit breaker have?
It features 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 is suitable for screw and snap-on mounting onto a 35 mm standard mounting rail according to DIN EN 50022.
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.
