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
3RT1026-1BB44
Siemens 3RT1026-1BB44 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 3RT1026-1BB44 is a robust power contactor designed to handle a variety of applications within the realm of industrial automation. This three-pole contactor is engineered to manage AC-3 loads up to 25 A and motor control tasks for motors with a power rating of 11 kW at 400 V AC, making it a versatile choice for a wide range of industrial settings.
Crafted with a size S0 footprint, it offers a compact solution that can be easily integrated into existing systems without requiring extensive space. The contactor is equipped with screw terminals, ensuring a secure and reliable connection for both the main circuit and auxiliary contacts.
The device features an impressive mechanical service life, capable of up to 10 million switching cycles, which speaks to its durability and the reduced need for maintenance. It also includes 2 normally open (NO) and 2 normally closed (NC) contacts, providing flexibility in control circuit design.
With an operational voltage of 24 V DC for the control circuit, the Siemens 3RT1026-1BB44 ensures responsive and efficient performance. It is designed to be mounted either by screws or snapped onto a 35 mm standard mounting rail according to DIN EN 50022, allowing for straightforward installation.
The contactor's construction adheres to a pollution degree of 3 and offers a protection class of IP20 at the front, ensuring it is safeguarded against touch and foreign objects while operating in industrial environments.
This Siemens power contactor is a reliable and efficient solution for those seeking to optimise their automation systems with a component that offers both performance and longevity.
Crafted with a size S0 footprint, it offers a compact solution that can be easily integrated into existing systems without requiring extensive space. The contactor is equipped with screw terminals, ensuring a secure and reliable connection for both the main circuit and auxiliary contacts.
The device features an impressive mechanical service life, capable of up to 10 million switching cycles, which speaks to its durability and the reduced need for maintenance. It also includes 2 normally open (NO) and 2 normally closed (NC) contacts, providing flexibility in control circuit design.
With an operational voltage of 24 V DC for the control circuit, the Siemens 3RT1026-1BB44 ensures responsive and efficient performance. It is designed to be mounted either by screws or snapped onto a 35 mm standard mounting rail according to DIN EN 50022, allowing for straightforward installation.
The contactor's construction adheres to a pollution degree of 3 and offers a protection class of IP20 at the front, ensuring it is safeguarded against touch and foreign objects while operating in industrial environments.
This Siemens power contactor is a reliable and efficient solution for those seeking to optimise their automation systems with a component that offers both performance and longevity.
| Specification | Description |
|---|---|
| Part Number | 3RT1026-1BB44 |
| Alternative Part Number | 3RT10261BB44 |
| Manufacturer | Siemens |
| Category | General Automation |
| Poles | 3 Pole |
| Rated Operational Current (AC-3) | 25 A at 400 V ac |
| Control Voltage | DC 24 V |
| Auxiliary Contacts | 2 NO + 2 NC |
| Size | S0 |
| Connection Type | Screw Connection |
| Mechanical Service Life | 10 million switching cycles for contactor, 5 million with electronics-compatible auxiliary block |
| Installation Altitude | Up to 2000 m above sea level |
| Ambient Operating Temperature | -25 to +60 °C |
| Degree of Pollution | 3 |
| Protection Class IP | IP20 for front and terminals |
| Mounting Type | Screw and snap-on mounting onto 35 mm standard mounting rail |
| Dimensions (H x W x D) | 85 mm x 45 mm x 150 mm |
| Conductor Cross-section | Main contacts: max. 2x 10 mm², Auxiliary contacts: max. 2x (0.75 ... 4 mm²) |
| Approvals | General Product Approval, Declaration of Conformity, and others |
| Commodity Code | 85364900 |
What type of contactor is this Siemens product?
This Siemens product is a power contactor designed for switching an electrical power circuit, similar to a relay except with higher current ratings. It is suitable for use in controlling motors and other electrical loads.
Can you describe the contact configuration of this contactor?
The contactor features a 3-pole configuration with 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts, providing flexibility for various control circuits.
What is the rated operational current for this contactor in AC-3 usage?
In AC-3 usage, the rated operational current for the contactor is 25 A at 400 V ac.
What is the coil voltage for this contactor?
The coil voltage for this contactor is 24 V dc, which is the control voltage for the activation of the contactor.
What is the mechanical service life of this contactor?
The mechanical service life of the contactor is typically 10 million operating cycles, indicating its durability and reliability over time.
What is the size classification of this contactor?
This contactor is classified as size S0, which is a standard size classification within the Siemens contactor range, indicating its physical dimensions.
What is the maximum installation altitude for this contactor?
The maximum installation altitude for the contactor is 2,000 metres above sea level, beyond which its operational reliability could be affected.
What are the ambient operating temperature limits for this contactor?
The ambient operating temperature range for this contactor is from -25 to +60 degrees Celsius, ensuring operation in a wide range of environmental conditions.
What is the degree of protection provided by the enclosure of this contactor?
The enclosure of this contactor provides a protection class of IP20 on the front, which protects against solid objects larger than 12.5 mm but not against water.
What applications are suitable for this type of contactor?
This type of contactor is suitable for a variety of applications including motor control, heating, lighting, and capacitor switching, among others in industrial environments.
- Starting and stopping motors in industrial and manufacturing processes
- Controlling lighting circuits in commercial buildings
- Operating pumps in water treatment and irrigation systems
- Managing fans and blowers in HVAC systems
- Switching heating elements in plastic processing machinery
- Regulating conveyors in material handling and packaging lines
- Controlling valves in oil and gas pipelines
- Activating electromagnets in lifting and sorting equipment
- Managing electrical circuits in textile machinery
- Switching power in control panels for automation systems
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.