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3RT1026-1KB40
Siemens 3RT1026-1KB40 available at EU Automation. Get in touch today for a quick price.
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Full 12-month warranty
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2. Dedicated Account Manager
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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 3RT1026-1KB40 is a reliable and efficient power contactor designed for AC-3 applications, with a current rating of 25 A and a power rating of 11 kW at 400 V. This 3-pole contactor features a 24 V DC coil voltage and is equipped with a varistor for enhanced protection. Housed in a compact S0 size, the 3RT1026-1KB40 offers a high mechanical service life of up to 10 million switching cycles, ensuring long-lasting performance in various industrial environments. With an IP20 protection rating on the front and IP00 for the terminals, this contactor is suitable for a wide range of applications. Please note that the 3RT1026-1KB40 is a phased-out product, and its preferred successor is the SIRIUS 3RT2 series, specifically the 3RT2026-1KB40 model.
| Specification | Description |
|---|---|
| Part Number | 3RT1026-1KB40 |
| Alternative Part Number | 3RT10261KB40 |
| Manufacturer | Siemens |
| Mounting Type | Screw and snap-on mounting onto 35 mm standard mounting rail (DIN EN 50022) |
| Series Installation | Yes |
| Width | 45 mm |
| Height | 88 mm |
| Depth | 101 mm |
| Distance to Earthed/Sideways | 6 mm |
| Electrical Connection | Screw-type terminals |
| Connectable Conductor | Solid: 2x (1 ... 2.5 mm²), 2x (2.5 ... 6 mm²), max. 2x 10 mm² |
| Finely stranded: 2x (1 ... 2.5 mm²), 2x (2.5 ... 6 mm²) | |
| AWG conductors: 2x (20 ... 16), 2x (18 ... 14), 1x 12 | |
| Auxiliary Contacts | Solid: 2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²), max. 2x (0.75 ... 4 mm²) |
| Finely stranded: 2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²) | |
| AWG conductors: 2x (20 ... 16), 2x (18 ... 14), 1x 12 |
What is the main application of this power contactor?
The Siemens 3RT1026-1KB40 power contactor is primarily used for switching and controlling motors, transformers, and other electrical loads in industrial applications.
What is the rated operational current for this contactor?
The rated operational current for the 3RT1026-1KB40 contactor is 25 A for AC-3 operation.
What is the coil voltage of this contactor?
The coil voltage of the Siemens 3RT1026-1KB40 contactor is 24 V DC.
What is the power rating for this contactor?
The power rating for the 3RT1026-1KB40 contactor is 11 kW at 400 V for AC-3 operation.
What type of terminal does this contactor have?
The Siemens 3RT1026-1KB40 contactor has screw terminals.
What is the mechanical service life of this contactor?
The typical mechanical service life of the 3RT1026-1KB40 contactor is 10,000,000 switching cycles.
What is the protection class of this contactor?
The 3RT1026-1KB40 contactor has a protection class of IP20 on the front and IP00 for the terminals.
What is the operating temperature range for this contactor?
The Siemens 3RT1026-1KB40 contactor can operate in ambient temperatures ranging from -25°C to +60°C.
Is there a successor for this contactor?
Yes, the preferred successor for the 3RT1026-1KB40 contactor is the SIRIUS 3RT2026-1KB40.
- Motor control and protection in industrial automation systems
- Switching and isolation of electrical circuits in control panels
- Control of lighting systems in commercial and industrial buildings
- HVAC system control and protection
- Pump and compressor control in various industries
- Conveyor system control in manufacturing and material handling applications
- Control of electrical loads in renewable energy systems
- Protection and control of power distribution systems in facilities and infrastructure
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!
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
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