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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RT2026-1BB44 |
| Alternative Part Number | 3RT20261BB44 |
| Manufacturer | Siemens |
| Product Type | Power Contactor |
| Contact Configuration | 3NO (3 Normally Open) |
| Rated Operational Current | AC-3 25 A |
| Motor Control Power | 11 kW / 400 V |
| Auxiliary Contacts | 2 NO + 2 NC (2 Normally Open + 2 Normally Closed) |
| Coil Voltage | 24 V DC |
| Contactor Size | S0 |
| Terminal Type | Screw Terminal |
| Insulation Voltage | Rated at 690 V |
| Degree of Pollution | 3 |
| Shock Resistance | Resistant to mechanical shocks |
| Ambient Operating Temperature | -25 … +60 °C |
| Protection Class | IP20 (Protection against solid objects larger than 12mm and no protection against water) |
| Installation Altitude | Up to 2,000 meters above sea level |
| Commodity Code | 85364900 |
| Product Approvals | General Product Approval, EMC, KTL, Declaration of Conformity, Test Certificates |
The Siemens 3RT2026-1BB44 is a robust power contactor designed to handle a wide range of switching tasks in industrial environments. This contactor is part of the SIRIUS product family, renowned for its reliability and efficiency in automating processes. With a 3-pole configuration and a control supply voltage of 24 V DC, it is well-suited for applications requiring precise control.
The contactor is rated for AC-3 usage at 25 A and can manage motor power of up to 11 kW at 400 V, making it an excellent choice for managing medium-sized motors. It also features 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts, providing flexibility for various circuit configurations.
Constructed with safety in mind, the 3RT2026-1BB44 boasts finger-safe terminals and an IP20 protection rating on the front, ensuring protection against touch and foreign objects. Its mechanical service life is impressive, with up to 10 million switching cycles, indicating a long-lasting and durable performance.
This contactor's compact size, belonging to the S0 size category, allows for efficient use of space inside control cabinets. It is also designed for easy installation with screw terminals, facilitating quick and secure connections.
The Siemens 3RT2026-1BB44 is a dependable solution for those seeking a high-quality power contactor for their automation and control needs in various industrial applications.
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 type of contactor is this?
This is a power contactor designed for switching an electrical power circuit, similar to a relay but with higher current ratings.
Can this contactor be used for high-demand applications?
Yes, it has a B10 value of 1,000,000 with a high demand rate, indicating it is suitable for high-demand applications.
What is the rated operating voltage for this contactor?
The rated operating voltage for this contactor at AC-3 is a maximum of 690 V.
What is the insulation voltage of this contactor?
The insulation voltage of this contactor is rated at 690 V.
What are the dimensions of this contactor?
The dimensions for this contactor are not specified in the provided information. Please refer to the manufacturer's datasheet for detailed dimensions.
What is the ambient temperature range for operating this contactor?
The ambient temperature range for operating this contactor is between -25°C and +60°C.
What is the protection class of this contactor?
The protection class for the front and terminals of this contactor is IP20, indicating protection against solid objects larger than 12mm and no protection against water.
Does this contactor have a mirror contact feature?
Yes, this contactor includes a mirror contact feature according to IEC 60947-4-1.
What is the mechanical service life of this contactor?
The mechanical service life of the contactor is typically 10 million switching cycles.
What type of terminals does this contactor have?
This contactor is equipped with screw-type terminals for both the main current circuit and the auxiliary and control current circuit.
Part conditions explained
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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.
