steve
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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
3RT1025-3BB40
Siemens 3RT1025-3BB40 available at EU Automation. Get in touch today for a quick price.
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Full 12-month warranty
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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 3RT1025-3BB40 is a robust and reliable power contactor, designed to handle a wide range of industrial applications. This part is characterised by its 3NO (Normally Open) contacts, a 40 A operating current, and a control voltage of 24 V dc. With a power rating of 23 kW, it is capable of managing substantial loads, making it a versatile choice for various settings.
The 3RT1025-3BB40 belongs to the S0 size category and features a DC control system. It is designed with IP20 and IP00 protection classes, ensuring it can withstand challenging environments. This power contactor is part of the renowned Siemens SIRIUS product range, known for its high-quality and performance.
One of the key features of this part is its mechanical service life, with a typical switching cycle of 10 million for the contactor and 5 million for the contactor with added electronics-compatible auxiliary switch block. This ensures longevity and reduces the need for frequent replacements, offering excellent value for money.
Please note that this part is a phased-out product, and its preferred successor is the SIRIUS 3RT2, specifically the 3RT2025-2BB40 model. However, the 3RT1025-3BB40 remains a popular choice due to its proven performance and reliability.
Whether you're operating in the manufacturing, energy, or automation sectors, the Siemens 3RT1025-3BB40 power contactor is a solid choice for efficient and reliable power control.
The 3RT1025-3BB40 belongs to the S0 size category and features a DC control system. It is designed with IP20 and IP00 protection classes, ensuring it can withstand challenging environments. This power contactor is part of the renowned Siemens SIRIUS product range, known for its high-quality and performance.
One of the key features of this part is its mechanical service life, with a typical switching cycle of 10 million for the contactor and 5 million for the contactor with added electronics-compatible auxiliary switch block. This ensures longevity and reduces the need for frequent replacements, offering excellent value for money.
Please note that this part is a phased-out product, and its preferred successor is the SIRIUS 3RT2, specifically the 3RT2025-2BB40 model. However, the 3RT1025-3BB40 remains a popular choice due to its proven performance and reliability.
Whether you're operating in the manufacturing, energy, or automation sectors, the Siemens 3RT1025-3BB40 power contactor is a solid choice for efficient and reliable power control.
| Specification | Description |
|---|---|
| Part Number | 3RT1025-3BB40 |
| Alternative Part Number | 3RT10253BB40 |
| Manufacturer | Siemens |
| Product Type | Power Contactor |
| Contact Configuration | 3NO (3 Normally Open contacts) |
| Rated Current | 40 A |
| Rated Operational Power | 23 kW (at 400 V AC-3) |
| Control Voltage | 24 V DC |
| Size | S0 |
| Connection Type | Cage Clamp Connection |
| Protection Class | IP20; IP00 |
| Ambient Operating Temperature | -25 … +60 °C |
| Mechanical Operating Cycles | 10,000,000 typical for contactor |
| Installation Altitude | Up to 2,000 m above sea level |
| Degree of Pollution | 3 |
| Mounting Type | Screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 50022 |
| Dimensions (H x W x D) | 85 mm x 45 mm x 100 mm |
| Conductor Cross-section | Main contacts: max. 2x 10 mm²; Auxiliary contacts: 2x (0.25 ... 2.5 mm²) |
| Certifications/Approvals | General Product Approval, Declaration of Conformity, and others as per relevant standards |
What is the main function of this power contactor?
The Siemens 3RT1025-3BB40 is a power contactor primarily used for switching a power circuit.
What are the key specifications of this power contactor?
This power contactor has a 3NO (Normally Open) configuration, a rated operating current of 40 A, a rated operating power of 23 kW, and a control voltage of 24 V dc. It belongs to the S0 size category and has an IP20;IP00 protection rating.
What is the significance of the 3NO configuration in this power contactor?
3NO means that the Siemens 3RT1025-3BB40 has three Normally Open contacts. When the contactor is not energised, the contacts are open and no current can flow through them. When the contactor is energised, the contacts close, allowing current to flow.
What does the IP rating of this power contactor mean?
The IP rating (Ingress Protection rating) of the Siemens 3RT1025-3BB40 is IP20;IP00. This means that the front of the contactor has protection against solid objects larger than 12.5 mm (like fingers), but it's not protected against liquids. The terminal of the contactor does not have any special protection.
What is the control voltage of this power contactor?
The control voltage of the Siemens 3RT1025-3BB40 is 24 V dc. This is the voltage required to energise the contactor and close the contacts.
What is the rated operating current and power of this power contactor?
The Siemens 3RT1025-3BB40 has a rated operating current of 40 A and a rated operating power of 23 kW.
What size category does this power contactor belong to?
The Siemens 3RT1025-3BB40 belongs to the S0 size category.
What is the mechanical service life of this power contactor?
The Siemens 3RT1025-3BB40 has a typical mechanical service life of 10 million switching cycles.
What is the ambient temperature range for operating this power contactor?
The Siemens 3RT1025-3BB40 can operate in ambient temperatures ranging from -25 to +60 degrees Celsius.
- Control of electric motors in various industrial applications
- Switching of heating elements in HVAC systems
- Control of lighting systems in commercial and industrial settings
- Use in automation systems for process control
- Switching of electrical circuits in power distribution networks
- Control of pumps and fans in various systems
- Use in conveyor systems for material handling
- Integration in control panels for machine tools
- Use in control systems for renewable energy applications such as solar and wind power
- Switching of resistive and inductive loads in various applications.
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.
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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!
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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
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