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3RT1026-1KB40
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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RT1026-1KB40 |
| Alternative Part Number | 3RT10261KB40 |
| Manufacturer | Siemens |
| Part Description | This is a Siemens Power Contactor, designed with 3 Normally Open (NO) contacts. It is capable of handling a current of up to 40 A and operates at a voltage of 24 V dc. |
| Short Description | The Power Contactor is designed for AC-3 25 A, 11 kW / 400 V 24 V DC, 0.7-1.25*US operations. It comes with a varistor and is 3-pole in design. The size is S0 and it features a screw terminal for secure connections. |
| Commodity Code | 85364900 |
| Country of Origin | Not specified |
| Mounting Type | This part can be mounted using screws and can be snapped onto a 35 mm standard mounting rail according to DIN EN 50022. |
| Series Installation | Yes |
| Dimensions | The part measures 45 mm in width, 88 mm in height, and 101 mm in depth. |
| Connection Type | The part features screw-type terminals for both the main current circuit and the auxiliary and control current circuit. |
| Conductor Cross-Section | For main contacts, it can accommodate 2x (1 ... 2.5 mm²), 2x (2.5 ... 6 mm²), max. 2x 10 mm² for solid conductors and 2x (1 ... 2.5 mm²), 2x (2.5 ... 6 mm²) for finely stranded conductors. For auxiliary contacts, it can accommodate 2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²), max. 2x (0.75 ... 4 mm²) for solid conductors and 2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²) for finely stranded conductors. |
| Certificates/Approvals | The part has received general product approval and has passed functional safety tests. |
The Siemens 3RT1026-1KB40 is a robust power contactor designed for reliable and efficient performance in a variety of industrial applications. This device is rated for AC-3 25 A, 11 kW / 400 V 24 V DC, and comes with a varistor. It features a 3-pole design and is of size S0, making it compact and easy to install in various settings. The screw terminal ensures secure and stable connections for optimal performance. This power contactor is part of the renowned SIRIUS product line, known for its quality and durability. Please note that this is a phased-out product, and its preferred successor is the SIRIUS 3RT2 series. Despite its compact size, this power contactor offers a mechanical service life of up to 10 million switching cycles, ensuring long-lasting performance. It operates efficiently in a wide range of ambient temperatures, from -25 to +60 degrees Celsius. Whether you're upgrading your existing system or building a new one, the Siemens 3RT1026-1KB40 power contactor is a reliable choice that delivers consistent, high-quality performance.
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Frequently Asked Questions
What is the function of this power contactor?
The Siemens power contactor is a robust device designed to switch a power circuit, similar to a relay but with higher current ratings. It's typically used in the control of electric motors and other heavy electrical loads.
What are the key specifications of this power contactor?
This power contactor operates at AC-3 25 A, 11 kW / 400 V 24 V DC, 0.7-1.25*US. It comes with a varistor and is 3-pole. It's of size S0 and has a screw terminal.
What is the operating temperature range for this power contactor?
The operating temperature range for this power contactor is -25 to +60 degrees Celsius.
What is the mechanical service life of this power contactor?
The typical mechanical service life of this power contactor is 10 million switching cycles.
What is the protection class of this power contactor?
The protection class on the front of this power contactor is IP20, and the protection class of the terminal is IP00.
What is the maximum installation altitude for this power contactor?
The maximum installation altitude for this power contactor is 2000 meters above sea level.
Is this power contactor being phased out?
Yes, this power contactor is being phased out. The preferred successor type is 3RT2026-1KB40.
