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Specification & Description
The Siemens 3RA2110-1JA16-1BB4 is a robust and reliable load feeder designed for fuseless direct starting applications. This component is part of the SIRIUS product range and is engineered to facilitate the seamless operation of three-phase motors. With a size S00 footprint, it is compact and suitable for space-conscious installations.
This load feeder is rated for AC 400V and can handle current ranges from 7 to 10A, making it versatile for various industrial applications. The control supply voltage operates at a DC 24V, and the unit features a screw connection for rail-mounting, ensuring a secure and straightforward installation process.
The 3RA2110-1JA16-1BB4 is designed with a type of coordination 1, boasting an impressive short-circuit rating of 150KA. It includes a built-in contactor with one normally open (NO) contact, enhancing its functionality in electrical circuits.
Siemens has equipped this load feeder with several protective features, including short circuit, overload, and phase disturbance recognition, ensuring the longevity of both the feeder and the connected equipment. The device operates within an ambient temperature range of -20 to +60°C, making it suitable for a wide range of environmental conditions.
The mechanical service life of the contactor is typically 30 million switching cycles, highlighting the durability and quality of the component. Additionally, the 3RA2110-1JA16-1BB4 is designed with user safety in mind, featuring finger-safe protection and an IP20 rating on the front, providing a degree of protection against solid objects.
Overall, the Siemens 3RA2110-1JA16-1BB4 is a high-quality, efficient solution for controlling motors in industrial settings, offering reliability and protection to meet the demands of modern automation systems.
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Frequently Asked Questions
What is the function of a load feeder fuseless?
A load feeder fuseless is designed to switch and protect motors. It integrates a contactor with overload protection and does not require additional fuses for operation, simplifying installation and maintenance.
Can this load feeder be used in a three-phase power system?
Yes, the Siemens 3RA2110-1JA16-1BB4 is suitable for use in a three-phase power system as it is designed with three poles for the main current circuit.
What type of overload release does the load feeder have?
The load feeder is equipped with a thermal (bimetallic) overload release, which provides protection against motor overload by tripping the circuit when excessive current is detected.
Is there an auxiliary switch option available for this load feeder?
Yes, the load feeder does have the option to extend with an auxiliary switch, allowing for additional control and signalling functions.
What is the rated operational voltage for this load feeder?
The rated operational voltage for the load feeder is up to 690V at AC-3, which is the typical voltage rating for industrial motor applications.
What is the trip class of the overload relay in this load feeder?
The overload relay in this load feeder has a trip class of CLASS 10, which indicates the time it takes for the relay to trip in the event of an overload.
What is the control supply voltage type for this load feeder?
The control supply voltage type for this load feeder is DC, with a rated value of 24V.
What are the ambient temperature limits for operating this load feeder?
The load feeder can operate within an ambient temperature range of -20°C to +60°C, ensuring reliable performance in various industrial environments.
What is the mechanical service life of the contactor in this load feeder?
The contactor within this load feeder has a typical mechanical service life of 30 million switching cycles, indicating its durability and longevity.
Does the load feeder have any certifications for use in hazardous areas?
Yes, the load feeder has certifications according to the ATEX directive 2014/34/EU, making it suitable for use in certain hazardous areas.
