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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RN1010-2BB00 |
| Alternative Part Number | 3RN10102BB00 |
| Manufacturer | Siemens |
| Type of Voltage | AC/DC |
| Supply Voltage Frequency | 50/60 Hz |
| Control Supply Voltage (AC at 50 Hz) | 24 V |
| Control Supply Voltage (AC at 60 Hz) | 24 V |
| Control Supply Voltage (DC) | 24 V |
| Number of Measuring Circuits | 1 |
| Number of Change-over Switches | 2 |
| Measurable Temperature Initial Value | 60 °C |
| Measurable Temperature Final Value | 180 °C |
| Product Function Self-reset | Yes |
| Ambient Operating Temperature | -25 … +60 °C |
| Mechanical Design | Spring-loaded terminals |
| Type of Display | LED |
| Protection Class | IP20 |
| Width | 22.5 mm |
| Height | 94 mm |
| Depth | 91 mm |
| Approvals | General Product Approval, EMC, For use in hazardous locations, Test Certificates, Declarations |
The Siemens 3RN1010-2BB00 is a thermistor motor protection relay designed to safeguard motors from overheating, ensuring optimal performance and longevity. This standard evaluation unit features an auto-reset function and operates with a dual AC/DC 24V control supply voltage. It is equipped with spring-loaded terminals for secure and efficient electrical connections.
With a single measuring circuit and two change-over switches for auxiliary contacts, this device can measure temperatures ranging from 60°C to 180°C. The compact design, with dimensions of 22.5mm in width, 94mm in height, and 91mm in depth, allows for easy integration into various control systems. The 3RN1010-2BB00 is also characterised by its robust construction, with an IP20 protection class, ensuring durability in diverse operating environments.
This product is suitable for a wide range of industrial applications where precise motor temperature monitoring is critical. Its self-resetting capability streamlines operations by reducing manual intervention, while the absence of reclosing interlock and defect storage features simplifies the device's functionality. The relay is designed to operate reliably within an ambient temperature range of -25°C to +60°C, making it versatile for use in different climatic conditions.
The 3RN1010-2BB00 is compliant with general product approvals and EMC standards for use in hazardous locations, reflecting its adherence to high-quality and safety standards. This makes it an essential component for engineers and technicians looking to enhance motor protection in their systems.
Commonly Asked Questions
Is my order covered by a warranty?
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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Read more...Is Marvo a credible parts supplier?
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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Our service to you
Lightning-Fast Express Shipping: Receive your order in record time with our express shipping options, ensuring you minimize downtime and keep your projects on track.
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Rock-Solid Reliability at a Fraction of the Cost: Get pre-owned electronic parts that are fully tested for peak performance, saving you money without compromising on quality, backed by a comprehensive warranty.
Frequently Asked Questions
What is the function of this thermistor motor protection unit?
This thermistor motor protection unit is designed to safeguard motors from overheating by monitoring the temperature via connected thermistors and interrupting the circuit if an overtemperature condition is detected.
Can this device be used with both AC and DC control supply voltages?
Yes, the unit is versatile and can be used with a control supply voltage of 24V for both AC and DC applications.
What is the temperature range that can be measured by this unit?
The measurable temperature range for this unit starts at 60°C and goes up to 180°C, allowing for a wide range of motor protection applications.
Does this unit feature an auto-reset function?
Yes, the unit comes with an auto-reset function, which allows it to automatically reset after a fault condition has been cleared.
What type of terminals does this unit have for electrical connections?
The unit is equipped with spring-loaded terminals for quick and secure electrical connections.
What is the ambient operating temperature range for this device?
The ambient operating temperature range for this device is from -25°C to +60°C, ensuring reliable operation in a variety of environmental conditions.
How many measuring circuits does this protection unit support?
This protection unit supports one measuring circuit, allowing for the connection of a single thermistor.
What is the width of this thermistor motor protection unit?
The width of the unit is 22.5 mm, making it compact and suitable for installation in tight spaces.
Is there a manual override or external reset function available?
No, this model does not have a manual override or external reset function. It is designed to automatically reset after the fault condition is resolved.
What type of protection class does this unit have?
The unit has a protection class of IP20, indicating that it is protected against solid objects larger than 12.5 mm but not against water.
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.
New sealed: The product is sealed in its original packaging. It has never been opened or used, ensuring that it's in an untouched state.
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.
