steve
Got hold of Sime for a Carrier card for…
Got hold of Sime for a Carrier card for a chiller. Machine down in a factory. Received the new card in express time machine and plant now up and running fantastic service form Sime
3 months ago
3RN1011-1BB00
Siemens 3RN1011-1BB00 available at EU Automation. Get in touch today for a quick price.
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Full 12-month warranty
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What happens next?
1. Email confirmation
You will get an email confirming that we have received your enquiry.
2. Dedicated Account Manager
One of our team will be in touch to confirm your part(s) specification and condition.
3. Your quote
You will receive a comprehensive quote tailored to your specific needs.
The Siemens 3RN1011-1BB00 is a thermistor motor protection unit designed to safeguard motors from potential overheating and thermal overload. This standard evaluation unit is adept at monitoring the temperature of motor windings through PTC thermistors, providing a reliable solution for a variety of industrial applications.
Crafted with precision, the unit features a compact design, measuring 22.5 mm in width, 91 mm in depth, and 102 mm in height, making it suitable for installation in space-constrained environments. The 3RN1011-1BB00 operates with a control supply voltage of 24 V AC/DC and is compatible with both 50 Hz and 60 Hz supply frequencies, ensuring versatility across different power networks.
Equipped with LED indicators, the device offers clear visual feedback on its operational status, enhancing ease of use. It also includes two change-over contacts for auxiliary purposes, allowing for integration into various control schemes. The unit's manual and remote reset capabilities, along with its short-circuit detection feature, contribute to its operational efficiency and safety.
The thermistor motor protection unit is designed to function within an ambient temperature range of -25°C to +60°C, ensuring robust performance under diverse environmental conditions. With a protection class of IP20, the device is safeguarded against solid objects larger than 12.5 mm, although it should be installed in areas free from water ingress.
The 3RN1011-1BB00 is a practical choice for those seeking a dependable motor protection solution that combines functionality with a straightforward installation process. Its screw-type terminals facilitate secure and easy wiring, while its screw and snap-on mounting options provide flexibility during installation.
This Siemens motor protection unit is a valuable asset for maintaining the integrity and longevity of motors in industrial settings, contributing to the overall efficiency and safety of operations.
Crafted with precision, the unit features a compact design, measuring 22.5 mm in width, 91 mm in depth, and 102 mm in height, making it suitable for installation in space-constrained environments. The 3RN1011-1BB00 operates with a control supply voltage of 24 V AC/DC and is compatible with both 50 Hz and 60 Hz supply frequencies, ensuring versatility across different power networks.
Equipped with LED indicators, the device offers clear visual feedback on its operational status, enhancing ease of use. It also includes two change-over contacts for auxiliary purposes, allowing for integration into various control schemes. The unit's manual and remote reset capabilities, along with its short-circuit detection feature, contribute to its operational efficiency and safety.
The thermistor motor protection unit is designed to function within an ambient temperature range of -25°C to +60°C, ensuring robust performance under diverse environmental conditions. With a protection class of IP20, the device is safeguarded against solid objects larger than 12.5 mm, although it should be installed in areas free from water ingress.
The 3RN1011-1BB00 is a practical choice for those seeking a dependable motor protection solution that combines functionality with a straightforward installation process. Its screw-type terminals facilitate secure and easy wiring, while its screw and snap-on mounting options provide flexibility during installation.
This Siemens motor protection unit is a valuable asset for maintaining the integrity and longevity of motors in industrial settings, contributing to the overall efficiency and safety of operations.
| Specification | Description |
|---|---|
| Part Number | 3RN1011-1BB00 |
| Manufacturer | Siemens |
| Part Type | Thermistor Motor Protection Unit |
| Dimensions | 22.5 mm x 91 mm x 120 mm |
| Power Consumption | 2 W |
| Voltage Type | AC/DC |
| Control Supply Voltage | 24 V at 50/60 Hz for AC, 24 V for DC |
| Number of Measuring Circuits | 1 |
| Number of Change-over Switches | 2 |
| Protection Class | IP20 |
| Operating Temperature Range | -25°C to +60°C |
| Mounting Type | Screw and snap-on mounting |
| Electrical Connection | Screw-type terminals |
| Display Type | LED |
| Product Function | Includes reclosing interlock and defect storage features |
The Siemens 3RN1011-1BB00 is a robust thermistor motor protection unit designed to safeguard motors by monitoring temperature and preventing overheating. This unit is compact, with dimensions of 22.5 mm in width, 91 mm in depth, and 120 mm in height, making it suitable for various installation environments. It operates efficiently with a power consumption of just 2 watts and supports both AC and DC voltage types. The unit is equipped with two change-over switches and features a reclosing interlock and defect storage for enhanced motor protection. Its IP20 protection class ensures reliable performance in standard industrial settings.
What is the purpose of this thermistor motor protection unit?
The thermistor motor protection unit is designed to safeguard motors from overheating by monitoring the temperature via connected PTC thermistors. When a preset temperature limit is exceeded, it triggers an alarm or disconnects the power to prevent damage.
Can this device be used with any motor brand?
Yes, as long as the motor is equipped with PTC thermistors compatible with the evaluation unit's specifications, it can be used regardless of the motor brand.
What type of output contacts does the unit have?
The unit comes with two change-over contacts for auxiliary purposes, allowing for flexible integration into various control schemes.
Is there a manual reset function on this unit?
Yes, the unit includes a manual reset function, which allows an operator to manually reset the protection device after an overtemperature event.
What are the mounting options for this device?
The device can be mounted using screw and snap-on mounting methods, providing versatility for different installation requirements.
What is the supply voltage required for this unit?
The unit requires a control supply voltage of 24 V AC/DC, with a frequency of either 50 Hz or 60 Hz for the auxiliary and control current circuit.
What is the ambient operating temperature range for this unit?
The ambient operating temperature range for this unit is from -25°C to +60°C, ensuring reliable operation in a variety of environmental conditions.
Does this unit have LED indication?
Yes, the unit features LED indication for visual monitoring of the operational status.
What type of electrical connection does this unit support?
The unit supports screw-type terminals for the auxiliary and control current circuit, facilitating secure and reliable electrical connections.
How can I ensure compatibility with my existing motor protection system?
To ensure compatibility, you should verify that the electrical specifications and connection types of the thermistor motor protection unit match those of your existing motor protection system and that the PTC thermistors in your motor are compatible.
- Monitoring and protection of motors against overheating due to overload or failure of the cooling system
- Integration into motor control circuits for compressors in HVAC systems
- Use in pump control systems to prevent damage from dry running or clogging
- Implementation in conveyor systems to protect motors from overheating due to excessive load or jamming
- Application in machine tools to ensure motor safety under variable load conditions
- Deployment in automated production lines for motor temperature monitoring and protection
- Utilisation in material handling equipment to prevent motor burnout from strain or blockages
- Incorporation into packaging machinery to safeguard motors during continuous operation
- Installation in wind turbine systems for thermistor-based motor protection
- Use in plastic and rubber manufacturing equipment to maintain optimal motor temperatures
This content has been produced using multiple sources. EU Automation takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
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Customer reviews
steve
Daniel
Excellent customer service...
Alex Bailey is my main point of contact at EU Automation...he is extremely friendly, has exceptional customer service skills and always offers great pricing & lead times.
4 months ago
Jerry Schrink
Tom Higgins provided amazing service
Tom Higgins provided great prompt service. I contacted Tom by phone and within 10 minutes there was a quote in my in box. WOW Thank you Tom and Thank you EU Automation!
5 months ago
Paulo Pereira
Excellent service and communication…
Excellent service and communication from Alex Bailey. He truly goes above and beyond to ensure his clients are 100% satisfied. The entire process was seamless, and his attention to detail made a huge difference. Highly recommended for anyone looking for amazing service!
5 months ago
Gary
Tom Higgins did a great job at getting…
Tom Higgins did a great job at getting us the part we needed. He saw a concern with the part a verified before shipping.
5 months ago
Lessle Smith
Thomas Higgins has gone above and…
Thomas Higgins has gone above and beyond to make things happen for my facility. His customer service and knowledge were an asset in helping me with my order and the logistics challenges!
6 months ago
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