Siemens 3RT2045-1AK64 SIRIUS Power Contactor, 80A, 37kW (AC-3), 110/120V AC Coil, Size S3, 2NO+2NC Aux Original Brand New

Overview

The Siemens 3RT2045-1AK64 SIRIUS Power Contactor is a robust, high-performance 3-pole contactor designed for reliable switching of motors and other industrial loads up to 80 A (for AC-3e/AC-3 operation) and 37 kW at 400 V. This size S3 contactor from the SIRIUS 3RT2 series is engineered for demanding industrial control applications, offering exceptional operational longevity and flexibility.

It features a standard AC operating mechanism with a 110 V AC (50 Hz) / 120 V AC (60 Hz) coil voltage, making it suitable for global applications. It comes equipped with pre-assembled auxiliary contacts (2 Normally Open (NO) and 2 Normally Closed (NC)) and utilizes secure screw terminals for main and auxiliary circuits.

Benefit & Function

• High Switching Capacity: Perfectly suited for starting and stopping electric motors up to 37 kW, ensuring safe and efficient operation.
• Global Compatibility: The dual-frequency 110 V AC (50Hz) / 120 V AC (60Hz) coil simplifies inventory for systems used in different regions.
• Built-in Flexibility: The inclusion of 2 NO and 2 NC auxiliary contacts (pre-assembled and removable) provides immediate options for interlocking, signaling, and control circuit integration, reducing the need for additional components.
• Secure Connection: Robust screw terminals ensure a reliable and durable electrical connection in industrial environments.
• Compact S3 Design: Offers a high-power switching capability within a space-saving footprint for control cabinet integration.
• Certified Quality: Part of the proven Siemens SIRIUS family, meeting international standards like IEC 60947.

Application

The 3RT2045-1AK64 Contactor is ideal for applications requiring the switching of high-power three-phase loads, including:

• Starting and controlling motors in pump, fan, and conveyor systems (Direct On-Line starters).
• Switching resistance loads and heating systems.
• Use in various machinery and industrial automation processes.

For more of our high-quality industrial automation and electrical control products, visit turll today!