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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RA2110-1EA15-1BB4 |
| Alternative Part Number | 3RA21101EA151BB4 |
| Manufacturer | Siemens |
| Type | Load feeder fuseless |
| Starting Method | Direct-on-line starting |
| Rated Operational Voltage | 400 V AC |
| Size | S00 |
| Adjustable Current Range | 2.80...4.00 A |
| Control Supply Voltage | 24 V DC |
| Number of Poles | 3 |
| Switching Contact Design | Electromechanical |
| Trip Class | CLASS 10 |
| Overload Release Design | Thermal (bimetallic) |
| Operating Frequency | 50...60 Hz |
| Operating Temperature | -20...+60 °C |
| Storage Temperature | -50...+80 °C |
| Mechanical Service Life | Typical 30,000,000 switching cycles |
| Type of Electrical Connection | Screw-type terminals |
| Connectable Conductor Cross-section | Main contacts: 0.5...4 mm², 2x (0.75...2.5 mm²) |
| Safety Related Data | B10 value with high demand rate acc. to SN 31920: 1,000,000, Proportion of dangerous failures: 73% |
| Certificates/Approvals | General Product Approval for use in hazardous locations |
| Commodity Code | 853649 |
The Siemens 3RA2110-1EA15-1BB4 is a robust and reliable load feeder designed for direct-on-line starting applications. This fuseless unit is engineered to operate with a 400 V AC power supply and is suitable for size S00 motor applications, with an adjustable current range of 2.80 to 4.00 A and a control supply voltage of 24 V DC. Its compact design allows for efficient use of space in control cabinets, and the screw connection ensures a secure and straightforward installation onto rail-mounting systems.
Crafted for durability, the 3RA2110-1EA15-1BB4 boasts a mechanical service life of approximately 30 million switching cycles, making it a long-lasting solution for industrial environments. The device operates within an ambient temperature range of -20 to +60 °C, ensuring consistent performance under varying conditions. Additionally, it features a trip class of CLASS 10 with a thermal (bimetallic) overload release, providing reliable protection for motors.
This load feeder is also equipped with three poles for the main current circuit and an electromechanical switching contact design. It is capable of handling operational currents up to 3.6 A at AC-3 and operating power of 1,500 W at 400 V, making it a versatile choice for a wide range of applications. The 3RA2110-1EA15-1BB4 is a testament to Siemens' commitment to quality and efficiency, offering a dependable solution for motor control and protection.
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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Frequently Asked Questions
What is the size of this load feeder?
The Siemens load feeder is of size S00, which is suitable for compact installations and offers efficient use of space inside control cabinets.
Can this device be used for direct-on-line starting?
Yes, this load feeder is designed for fuseless direct-on-line starting, making it a straightforward solution for starting electric motors.
What is the operating voltage range for this load feeder?
The operating voltage range for this load feeder is up to 400 V AC, which is typical for many industrial applications.
What is the control supply voltage?
The control supply voltage for this load feeder is 24 V DC, which is a common low voltage supply for control circuits.
What are the current adjustment settings available on this device?
The current adjustment settings available on this device range from 2.80 to 4.00 A, allowing for precise protection settings based on the motor's requirements.
Is there overload protection included with this load feeder?
Yes, the load feeder includes thermal (bimetallic) overload protection to safeguard the motor from potential damage due to excessive current draw.
What type of auxiliary switch does this load feeder support?
This load feeder supports the addition of an auxiliary switch, which can be used for signalling and control purposes within the circuit.
What is the trip class of the overload relay?
The overload relay of this load feeder is classified as CLASS 10, which indicates the time it takes for the relay to trip in the event of an overload.
Can this load feeder be used in hazardous locations?
The load feeder has general product approvals for use in hazardous locations, making it suitable for a wide range of industrial environments.
What is the mechanical service life of the contactor?
The contactor within this load feeder has a typical mechanical service life of 30 million switching cycles, demonstrating its durability and reliability for long-term use.
