"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"
3RT2028-1BB40 Siemens
Based on over 4900 reviews
Adding another part to your enquiry?
After submitting this form, you can add additional part numbers and quantities using the quote builder on the next page. A member of our team will then be in touch to discuss your quote.
Availability
In stock
Manufacturer
Siemens
HS code
85364900
Ship to
Malaysia
Express delivery to your country
Full 12-month warranty
Secure payment process
What happens next?
From enquiry to delivery, we keep it simple.
Submit your enquiry
Tell us what you need using the form above and we'll manage your procurement needs with speed and care.
Confirmation and sourcing
An account manager will contact you within a few hours and use our unique parts database to find your components at a competitive price.
Receive your quote
Your account manager will provide a tailored quote outlining availability and delivery dates.
Place your order
Your order ships quickly from one of our global logistics hubs, with updates provided every step of the way.
The Siemens 3RT2028-1BB40 is a robust power contactor designed to handle high switching frequencies and is suitable for a wide range of industrial applications. This contactor is part of the SIRIUS product family and is engineered to facilitate efficient and reliable switching of motors. It is capable of managing AC-3 loads up to 18.5 kW at 400 V, making it an excellent choice for controlling three-phase motors. With a size S0 footprint, the 3RT2028-1BB40 offers a compact solution that is easy to integrate into existing systems. It features three normally open (NO) main contacts and a control voltage rating of DC 24V, ensuring compatibility with various control systems. The contactor is designed with screw terminals for secure and straightforward wiring. The device boasts an insulation voltage rated at 690 V and a surge voltage resistance of 6 kV, providing a high level of protection for the contactor and the circuits it controls. It is also equipped with an auxiliary switch, enhancing its functionality for complex control circuits. Constructed with safety in mind, the 3RT2028-1BB40 has a protection class of IP20, ensuring finger-safe operation and protection against solid objects. It is designed to withstand challenging environmental conditions, with an operational temperature range of -25 to +60 °C and storage temperatures ranging from -55 to +80 °C. The mechanical service life of this contactor is impressive, with up to 10 million switching cycles, indicating its durability and long-term reliability. Its design also allows for easy maintenance and straightforward replacement, which is essential for minimising downtime in industrial settings. Overall, the Siemens 3RT2028-1BB40 power contactor is a high-quality component that offers reliability, durability, and versatility for controlling motors and other electrical loads in a variety of industrial applications.
Typical applications
- Controlling large motors in industrial applications
- Switching heating elements in HVAC systems
- Managing lighting circuits in commercial buildings
- Operating pumps in water treatment facilities
- Driving compressors in refrigeration units
- Regulating conveyors in material handling systems
- Activating electromagnets in lifting equipment
- Managing power distribution in control panels
- Controlling valves in process industries
- Starting and stopping fans in ventilation systems
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 centreOrder and delivery information
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.
50+ account managers available now
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! "
Related parts
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
Speak to our team
Whether you need advice or help finding the right part, our team is available to assist and keep your operations running smoothly.