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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RT1025-1BB44 |
| Alternative Part Number | 3RT10251BB44 |
| Manufacturer | Siemens |
| Part Description | This is a Siemens Power Contactor, designed for efficient power management. It operates with 3 Normally Open (NO) contacts and has a capacity of 40 A, 24 V dc. |
| Short Description | Power contactor, AC-3 17 A, 7.5 kW / 400 V 24 V DC 3-pole |
| Country of Origin | Not specified |
| Commodity Code | 853649 |
| Size of Contactor | S0 |
| Degree of Pollution | 3 |
| Protection Class IP | IP20 |
| Mechanical Service Life (Switching Cycles) | Typical 10,000,000 |
| Ambient Temperature During Operation | -25 to +60 °C |
| Installation Altitude | Up to 2000m above sea level |
| Mounting Type | Screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 50022 |
| Type of Electrical Connection | Screw-type terminals for main current circuit and auxiliary and control current circuit |
| Operating Current | At AC-1 at 400 V - 40 A, At AC-3 at 400 V - 17 A |
| Number of Poles for Main Current Circuit | 3 |
| Number of NO Contacts for Main Contacts | 3 |
| Number of NC Contacts for Main Contacts | 0 |
The Siemens 3RT1025-1BB44 is a robust and reliable power contactor, designed to handle a wide range of industrial applications. This part is rated for AC-3 17 A, 7.5 kW / 400 V 24 V DC, making it suitable for managing high power loads. It features 3 normally open (NO) contacts, ensuring efficient operation in various settings. The part is designed for screw and snap-on mounting onto a 35mm standard mounting rail, providing flexibility in installation. With a mechanical service life of up to 10 million switching cycles, this power contactor offers long-lasting performance. Please note, this part is part of the SIRIUS product range from Siemens.
Commonly Asked Questions
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Marvo is a highly credible supplier of industrial automation parts and components with dedicated hubs around the world offering industry-leading products and services. Marvo is committed to providing a quick, easy and reliable place to source your automation and control components. All purchases come as standard with a comprehensive 12-month return to base warranty meaning that, in just a few clicks, you can source critical parts more seamlessly than ever before. Click here to read an article on how Marvo is redefining convenience for automation and manufacturing professionals.
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Frequently Asked Questions
What is the main function of this power contactor?
The Siemens 3RT1025-1BB44 is a power contactor designed to control electrical loads in industrial applications. It is primarily used to switch motors and to switch resistive or capacitive loads.
What are the key specifications of this power contactor?
This power contactor operates with an AC-3 rating of 17 A, and a power rating of 7.5 kW at 400 V. It is a 3-pole device with a 24 V DC coil voltage.
What is the size of this power contactor?
The Siemens 3RT1025-1BB44 power contactor belongs to the S0 size category.
What is the operating temperature range for this power contactor?
The operating temperature range for the Siemens 3RT1025-1BB44 power contactor is -25 to +60 degrees Celsius.
What is the protection class of this power contactor?
The Siemens 3RT1025-1BB44 power contactor has a protection class of IP20 on the front.
What is the mechanical service life of this power contactor?
The Siemens 3RT1025-1BB44 power contactor has a typical mechanical service life of 10 million switching cycles.
What type of mounting does this power contactor support?
The Siemens 3RT1025-1BB44 power contactor supports both screw and snap-on mounting onto a 35 mm standard mounting rail according to DIN EN 50022.
What type of electrical connection does this power contactor use?
The Siemens 3RT1025-1BB44 power contactor uses screw-type terminals for both the main current circuit and the auxiliary and control current circuit.
What is the degree of pollution for this power contactor?
The Siemens 3RT1025-1BB44 power contactor has a degree of pollution of 3.
Part conditions explained
We want your buying experience to be as seamless as possible. So, here are all of the product descriptions you will see when browsing Marvo, explained a little further:
New unsealed: The product is in its original packaging, but the packaging has been opened or unsealed. It has never been used and should be in near pristine condition.
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New unboxed: The product does not come in its original packaging, but it has never been used and is in great working condition.
Refurbished: The product has been previously used, but it has undergone a thorough refurbishment process to restore it to a like-new or functional condition. Any defects or issues have been addressed, making it suitable for reuse.
Used: The product has been previously owned and has been used. It may show signs of wear and tear but is still functional and operational. The condition may vary depending on the specific item and its usage history.
