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3RN1011-1BB00
Siemens 3RN1011-1BB00 available at EU Automation. Get in touch today for a quick price.
Based on over 4900 reviews
Full 12-month warranty
Available for dispatch immediately
We deliver worldwide
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.
All orders are subject to product availability. See our T&Cs.
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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.
Typical applications
- 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
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Our global network and dedicated team act fast to keep your supply chain moving.
Contact usCan't find what you're looking for?
Find answers, guidance and resources to help you get the most out of our services.
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What our customers say
"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."
"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!"
"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!"
"Tom Higgins did a great job at getting us the part we needed. He saw a concern with the part a verified before shipping. "
"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! "
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Full 12-month warranty
ISO 9001:2015 certified
Swift global delivery
"The prompt delivery knowing it was urgent was amazing! We are confident when EU Automation says they will try to ship as soon as possible they really mean it. Our company will definitely use them again. Service is astounding."
Courtney Zeinert
Facilities Manager
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