Siemens 3RT1026-1BB40

Overview of the 3RT1026-1BB40 Contactor

The 3RT1026-1BB40 is a high-performance contactor from Siemens' respected SIRIUS product line, designed for the switching of motor loads and other significant power devices. This contactor is engineered to provide reliable operation in a range of industrial settings.

Key Features and Benefits

Robust Design for Industrial Applications

With an operating temperature range of -25 to +60 °C and an installation altitude capacity of up to 2,000 meters above sea level, the 3RT1026-1BB40 is built to withstand challenging environments. Its mechanical service life boasts an impressive 10 million switching cycles, ensuring longevity and reliability.

Versatile Operation and Compatibility

This contactor can manage AC motor control within a power range of 11 kW at 400 V in AC-3 category, showcasing its efficiency in motor operation tasks. It is suitable for a wide range of applications, thanks to its three NO (Normally Open) main contacts and robust operating current ratings at various voltages.

Efficient Power Management

The contactor is capable of handling significant operating power, with 23 kW at 400 V under AC-1 conditions. The active power loss is minimized, marked at only 1.6 watts per conductor at AC-3/400 V, making it an energy-efficient choice for electrical systems.

Protection and Control

Enhanced Safety Features

Designed with an IP20 protection class, the 3RT1026-1BB40 ensures safety from finger-sized objects, offering a degree of protection against contact and external objects. The degree of pollution is marked as 3, indicating a safe use in environments with non-conductive pollution.

Short-Circuit Protection

This contactor is equipped with the capability to support fuse links for auxiliary and main circuit protection, ranging from 10 A to 100 A depending on the assignment type, ensuring the system is safeguarded against short-circuit conditions.

Installation and Maintenance

Easy Installation

The device supports both screw and snap-on mounting onto a 35 mm standard mounting rail, making it adaptable and easy to install in various configurations. The side-by-side mounting option allows for flexible use of space within electrical cabinets.

Convenient Connection Options

With screw-type terminals for both the main and auxiliary circuits, the 3RT1026-1BB40 ensures a secure and reliable connection. It accepts a variety of conductor types and sizes, providing versatility in connection strategies.

Control Circuit Specifications

DC Control Supply

The contactor is designed for a control supply voltage of DC 24 V, with an operating range factor of 0.8 to 1.1 of the magnet coil's rated value. This allows for stable operation and control of the contactor in a DC control circuit environment.

Conclusion

The 3RT1026-1BB40 is a testament to Siemens' commitment to quality and innovation in the field of industrial automation and control. With its strong build, versatile application range, and efficient power management, this contactor stands out as a reliable solution for professionals seeking a robust motor control component. Whether for new installations or upgrades in industrial systems, the 3RT1026-1BB40 is poised to deliver performance, safety, and ease of use.

Contact Us Today For More Information About Siemens Products

Check out the rest of our Siemens product line. Whether it's using our online instant quote feature, giving us a call at (800) 691-8511, or emailing us at sales@mroelectric.com, we strive for customer satisfaction first. This means lower prices and better service for you. For more products like 3RT1026-1BB40, take a look at more from our Contactors line. If your current unit has gone bad, take advantage of our Core Exchange program for the most inexpensive route. You can learn more about this program on our FAQ page here. We offer a repair service on all of our 3RT1026-1BB40 products that keep your downtime to a minimum. To stay up to date on manufacturer news, as well as access any of our datasheets, manuals, or other documentation, we suggest you take a look at our blog.