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
3RT2028-1BB40
Siemens 3RT2028-1BB40 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 3RT2028-1BB40 is a high-quality power contactor designed for reliable and efficient operation in various industrial applications. With a compact size S0, this 3-pole contactor is rated for AC-3, 18.5kW/400V, and features 1 normally open (NO) and 1 normally closed (NC) auxiliary contact. The control supply voltage is DC 24V, and the contactor is equipped with screw terminals for secure and easy installation. The 3RT2028-1BB40 offers a protection class IP20 on the front, ensuring finger-safe operation and a pollution degree of 3. Capable of withstanding ambient temperatures ranging from -25°C to +60°C during operation and -55°C to +80°C during storage, this robust contactor is designed for long-lasting performance in demanding environments. The Siemens 3RT2028-1BB40 is an ideal choice for efficient and reliable power control in your industrial applications.
| Specification | Description |
|---|---|
| Part Number | 3RT2028-1BB40 |
| Alternative Part Number | 3RT20281BB40 |
| Manufacturer | Siemens |
| Operating Voltage | 110/120 V, 230 V, 200/208 V, 220/230 V, 460/480 V, 575/600 V |
| Mechanical Performance (hp) | 3 hp (110/120 V), 5 hp (230 V), 10 hp (200/208 V, 220/230 V), 25 hp (460/480 V, 575/600 V) |
| Operating Current (FLA) | 34 A (480 V), 27 A (600 V) |
| Auxiliary Contact Rating Designation | A600 / Q600 |
| Mirror Contact | Yes (to IEC 60947-4-1) |
| Positively Driven Operation | No (to IEC 60947-5-1) |
What is the main function of this power contactor?
The Siemens 3RT2028-1BB40 is a power contactor designed for switching and controlling motors, as well as other electrical loads in industrial applications.
Does this contactor have a mirror contact?
Yes, the Siemens 3RT2028-1BB40 power contactor has a mirror contact according to IEC 60947-4-1.
Is this contactor positively driven?
No, the Siemens 3RT2028-1BB40 power contactor does not have positively driven operation according to IEC 60947-5-1.
What are the UL/CSA ratings for this contactor?
The Siemens 3RT2028-1BB40 power contactor has the following UL/CSA ratings: 3 hp at 110/120 V, 5 hp at 230 V for single-phase squirrel cage motors, and 10 hp at 200/208 V, 10 hp at 220/230 V, 25 hp at 460/480 V, and 25 hp at 575/600 V for three-phase squirrel cage motors.
What is the operating current (FLA) for three-phase squirrel cage motors?
The Siemens 3RT2028-1BB40 power contactor has an operating current (FLA) of 34 A at 480 V and 27 A at 600 V for three-phase squirrel cage motors.
What is the contact rating designation for auxiliary contacts?
The contact rating designation for auxiliary contacts of the Siemens 3RT2028-1BB40 power contactor is A600 / Q600 according to UL.
What is the B10 value for this contactor?
The B10 value for the Siemens 3RT2028-1BB40 power contactor with a high demand rate according to SN 31920 is 1,000,000.
What is the T1 value for proof test interval or service life?
The T1 value for proof test interval or service life of the Siemens 3RT2028-1BB40 power contactor according to IEC 61508 is 20 years.
What are the proportions of dangerous failures?
The Siemens 3RT2028-1BB40 power contactor has a proportion of dangerous failures of 40% with low demand rate and 73% with high demand rate according to SN 31920.
What is the failure rate (FIT value) with low demand rate?
The failure rate (FIT value) of the Siemens 3RT2028-1BB40 power contactor with low demand rate according to SN 31920 is 100 FIT.
- Motor control and protection in industrial applications
- Switching and controlling of lighting systems
- Automation systems for manufacturing and processing plants
- HVAC systems control and management
- Pump and compressor control in various industries
- Conveyor belt systems control in material handling applications
- Control of electrical panels and distribution systems
- Elevator and escalator control systems
- Generator and transformer switching and protection
- Control of machinery and equipment in the automotive industry
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.
Delivery
- Logistic partners UPS, FedEx and DHL
- International delivery available
- Premium nine hour delivery service available to anywhere in Europe
- Same day dispatch from group stock
Warranty
All parts new or reconditioned are covered by EU Automation 12 month warranty
Returns
No hassle returns policy
Dedicated customer support team
Payment
Trade CreditWe understand that credit is a necessary part of business and offer credit agreements on request, subject to status.
Payment optionsWe accept Bank transfers and the following methods of payment:
All transactions are handled securely by HSBC and HSBC Merchant Services. For more information, please visit our dedicated payments page.
Services
Sourcing your part
Global supplier of quality automation and control components
Service Exchange
Dispose of your old unit by exchanging it for a working part.
Repair
A comprehensive repair service for faulty equipment.
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
Be a Factory Hero.
Get parts fast.
You don’t need tights and a cape to be a hero.
Get parts fast and feel like a legend, just like Jeff.