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3RT1045-1BB44
Siemens 3RT1045-1BB44 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.
Ask our team
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 3RT1045-1BB44 is a robust and reliable power contactor designed for demanding industrial applications. This three-pole contactor is part of the SIRIUS range and is suitable for AC-3 applications, handling up to 80 A and 37 kW at 400 V. It operates on a 24 V DC control voltage, ensuring efficient and consistent performance. Engineered for durability, the 3RT1045-1BB44 features a mechanical service life of up to 10 million switching cycles, making it ideal for high-frequency operations. The contactor is equipped with screw terminals for secure and straightforward installation, and it supports a variety of conductor cross-sections, including solid, stranded, and finely stranded wires. With an insulation voltage rated at 1000 V and a surge voltage resistance of 6 kV, this contactor provides excellent protection and reliability in harsh environments. It is designed to operate within a wide ambient temperature range of -25 to +60 °C and can be installed at altitudes up to 2000 metres above sea level. The Siemens 3RT1045-1BB44 also includes two normally open (NO) and two normally closed (NC) auxiliary contacts, enhancing its versatility for various control and signalling tasks. Its compact dimensions (146 mm height, 70 mm width, and 201 mm depth) allow for easy integration into control panels and systems. This power contactor is an excellent choice for applications requiring high performance and reliability, such as motor control, heating, lighting, and other industrial automation tasks. Its robust construction and extensive operational capabilities make it a valuable component in any industrial setting.
Typical applications
- Industrial motor control
- Conveyor system automation
- HVAC systems
- Pump control systems
- Machine tool control
- Lighting control in industrial settings
- Power distribution systems
- Automated manufacturing processes
- Crane and hoist control systems
- Water treatment plants
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Need more information?
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.
Support centreSupporting new and legacy automation
Whether you're maintaining existing equipment or sourcing parts for current systems, we provide fast, dependable supply you can rely on.
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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! "
FAQs
Your parts delivered, hassle free
We take care of the logistics so you don't have to. From customs documentation to real-time tracking, our service ensures your parts arrive on time, every time. Reliable, straightforward delivery you can trust.
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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Whether you need advice or help finding the right part, our team is available to assist and keep your operations running smoothly.